From e65d875ebc7c13783b13a6e8859144073e7b3514 Mon Sep 17 00:00:00 2001
From: dcode <dcode@dcode.io>
Date: Sat, 1 Jun 2019 01:14:04 +0200
Subject: [PATCH] llvm-like naming of __heap_base, definition fixes, update
 examples

---
 examples/game-of-life/build/optimized.d.ts    |   15 +-
 examples/game-of-life/build/untouched.wat     |  694 ++---
 examples/game-of-life/package.json            |    4 +-
 examples/i64-polyfill/build/optimized.d.ts    |    4 -
 examples/i64-polyfill/package.json            |    4 +-
 examples/mandelbrot/build/optimized.d.ts      |    5 -
 examples/mandelbrot/build/untouched.wat       |  286 +-
 examples/mandelbrot/package.json              |    4 +-
 examples/n-body/assembly/index.ts             |    2 -
 examples/n-body/build/index.asm.js            |  436 ++-
 examples/n-body/build/optimized.wasm          |  Bin 1691 -> 1644 bytes
 examples/n-body/build/optimized.wat           |  142 +-
 examples/n-body/build/untouched.wat           | 2596 ++++++++++++-----
 examples/n-body/package.json                  |    6 +-
 examples/n-body/scripts/postprocess-asmjs.js  |    7 +
 lib/loader/index.js                           |   18 +-
 lib/loader/tests/build/untouched.wasm         |  Bin 9379 -> 9477 bytes
 lib/loader/tests/index.js                     |    1 +
 lib/parse/build/index.wat                     |  139 +-
 lib/parse/index.js                            |    2 +-
 lib/parse/index.js.map                        |    2 +-
 lib/parse/package.json                        |    2 +-
 src/builtins.ts                               |    8 +-
 src/compiler.ts                               |   26 +-
 src/definitions.ts                            |  213 +-
 std/assembly/heap.ts                          |    2 +-
 std/assembly/index.d.ts                       |    4 +-
 std/assembly/rt.ts                            |    6 +-
 std/assembly/rt/index-full.ts                 |    2 +-
 std/assembly/rt/index-stub.ts                 |    2 +-
 std/assembly/rt/pure.ts                       |    6 +-
 std/assembly/rt/stub.ts                       |    2 +-
 std/assembly/rt/tlsf.ts                       |    2 +-
 std/assembly/shared/typeinfo.ts               |    2 +-
 tests/allocators/buddy/assembly/buddy.ts      |    2 +-
 tests/allocators/buddy/untouched.wat          |    4 +-
 tests/allocators/rt-full/optimized.wat        |    4 +-
 tests/allocators/rt-full/untouched.wat        |  150 +-
 tests/allocators/rt-stub/optimized.wat        |    4 +-
 tests/allocators/rt-stub/untouched.wat        |    8 +-
 tests/compiler/call-super.untouched.wat       |    4 +-
 tests/compiler/constructor.untouched.wat      |    4 +-
 tests/compiler/empty.json                     |    2 +-
 tests/compiler/exports.untouched.wat          |    4 +-
 tests/compiler/getter-call.untouched.wat      |    4 +-
 tests/compiler/inlining.untouched.wat         |    4 +-
 tests/compiler/memset.ts                      |    2 +-
 tests/compiler/memset.untouched.wat           |    4 +-
 tests/compiler/number.untouched.wat           |    4 +-
 .../optional-typeparameters.untouched.wat     |    4 +-
 tests/compiler/rc/global-init.untouched.wat   |   14 +-
 tests/compiler/rc/local-init.untouched.wat    |   14 +-
 .../rc/logical-and-mismatch.untouched.wat     |   14 +-
 .../rc/logical-or-mismatch.untouched.wat      |   14 +-
 tests/compiler/rc/rereturn.optimized.wat      |    4 +-
 tests/compiler/rc/rereturn.untouched.wat      |   16 +-
 .../rc/ternary-mismatch.untouched.wat         |   14 +-
 .../retain-release-sanity.untouched.wat       |   14 +-
 tests/compiler/retain-release.untouched.wat   |    4 +-
 tests/compiler/rt/flags.untouched.wat         |    4 +-
 tests/compiler/rt/instanceof.untouched.wat    |    8 +-
 tests/compiler/runtime-full.optimized.wat     |    4 +-
 tests/compiler/runtime-full.untouched.wat     |   16 +-
 tests/compiler/runtime-stub.optimized.wat     |    4 +-
 tests/compiler/runtime-stub.untouched.wat     |    8 +-
 .../compiler/std/array-literal.untouched.wat  |   14 +-
 tests/compiler/std/array.optimized.wat        |    4 +-
 tests/compiler/std/array.untouched.wat        |   16 +-
 tests/compiler/std/arraybuffer.untouched.wat  |    4 +-
 tests/compiler/std/dataview.untouched.wat     |    4 +-
 tests/compiler/std/date.untouched.wat         |    4 +-
 tests/compiler/std/map.untouched.wat          |   14 +-
 tests/compiler/std/new.untouched.wat          |    4 +-
 .../compiler/std/object-literal.untouched.wat |    4 +-
 .../std/operator-overloading.untouched.wat    |    4 +-
 tests/compiler/std/set.untouched.wat          |   14 +-
 tests/compiler/std/static-array.untouched.wat |    4 +-
 tests/compiler/std/string-utf8.untouched.wat  |    4 +-
 tests/compiler/std/string.untouched.wat       |   14 +-
 tests/compiler/std/symbol.untouched.wat       |    4 +-
 tests/compiler/std/typedarray.untouched.wat   |   14 +-
 81 files changed, 3135 insertions(+), 1995 deletions(-)
 create mode 100644 examples/n-body/scripts/postprocess-asmjs.js

diff --git a/examples/game-of-life/build/optimized.d.ts b/examples/game-of-life/build/optimized.d.ts
index 62152f45..08e7e10a 100644
--- a/examples/game-of-life/build/optimized.d.ts
+++ b/examples/game-of-life/build/optimized.d.ts
@@ -8,17 +8,8 @@ declare module ASModule {
   type f32 = number;
   type f64 = number;
   type bool = any;
-  namespace JSMath {
-    function random(): f64;
-  }
-  var w: i32;
-  var h: i32;
-  var s: i32;
-  function init(width: i32, height: i32): void;
-  function step(): void;
-  function fill(x: u32, y: u32, p: f64): void;
-  var BGR_ALIVE: u32;
-  var BGR_DEAD: u32;
-  var BIT_ROT: u32;
+  export function init(width: i32, height: i32): void;
+  export function step(): void;
+  export function fill(x: u32, y: u32, p: f64): void;
 }
 export default ASModule;
diff --git a/examples/game-of-life/build/untouched.wat b/examples/game-of-life/build/untouched.wat
index 64f056fc..86c8e310 100644
--- a/examples/game-of-life/build/untouched.wat
+++ b/examples/game-of-life/build/untouched.wat
@@ -133,360 +133,364 @@
     i32.lt_s
     i32.eqz
     br_if $break|0
-    block
-     local.get $2
-     i32.const 0
-     i32.eq
-     if (result i32)
-      local.get $0
-     else      
-      local.get $2
-      i32.const 1
-      i32.sub
-     end
-     local.set $3
-     local.get $2
+    local.get $2
+    i32.const 0
+    i32.eq
+    if (result i32)
      local.get $0
-     i32.eq
-     if (result i32)
+    else     
+     local.get $2
+     i32.const 1
+     i32.sub
+    end
+    local.set $3
+    local.get $2
+    local.get $0
+    i32.eq
+    if (result i32)
+     i32.const 0
+    else     
+     local.get $2
+     i32.const 1
+     i32.add
+    end
+    local.set $4
+    block $break|1
+     i32.const 0
+     local.set $5
+     loop $repeat|1
+      local.get $5
+      global.get $assembly/index/w
+      i32.lt_s
+      i32.eqz
+      br_if $break|1
+      local.get $5
       i32.const 0
-     else      
-      local.get $2
-      i32.const 1
-      i32.add
-     end
-     local.set $4
-     block $break|1
-      i32.const 0
-      local.set $5
-      loop $repeat|1
+      i32.eq
+      if (result i32)
+       local.get $1
+      else       
        local.get $5
-       global.get $assembly/index/w
-       i32.lt_s
-       i32.eqz
-       br_if $break|1
-       block
-        local.get $5
-        i32.const 0
-        i32.eq
-        if (result i32)
-         local.get $1
-        else         
-         local.get $5
-         i32.const 1
-         i32.sub
-        end
-        local.set $6
-        local.get $5
-        local.get $1
-        i32.eq
-        if (result i32)
-         i32.const 0
-        else         
-         local.get $5
-         i32.const 1
-         i32.add
-        end
-        local.set $7
-        block $assembly/index/get|inlined.0 (result i32)
-         local.get $6
-         local.set $9
-         local.get $3
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        block $assembly/index/get|inlined.1 (result i32)
-         local.get $5
-         local.set $9
-         local.get $3
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.2 (result i32)
-         local.get $7
-         local.set $9
-         local.get $3
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.3 (result i32)
-         local.get $6
-         local.set $9
-         local.get $2
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.4 (result i32)
-         local.get $7
-         local.set $9
-         local.get $2
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.5 (result i32)
-         local.get $6
-         local.set $9
-         local.get $4
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.6 (result i32)
-         local.get $5
-         local.set $9
-         local.get $4
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        block $assembly/index/get|inlined.7 (result i32)
-         local.get $7
-         local.set $9
-         local.get $4
-         local.set $8
-         local.get $8
-         global.get $assembly/index/w
-         i32.mul
-         local.get $9
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        i32.const 1
-        i32.and
-        i32.add
-        local.set $8
-        block $assembly/index/get|inlined.8 (result i32)
-         local.get $5
-         local.set $10
-         local.get $2
-         local.set $9
-         local.get $9
-         global.get $assembly/index/w
-         i32.mul
-         local.get $10
-         i32.add
-         i32.const 2
-         i32.shl
-         i32.load
-        end
-        local.set $9
-        local.get $9
-        i32.const 1
-        i32.and
-        if
-         local.get $8
-         i32.const 14
-         i32.and
-         i32.const 2
-         i32.eq
-         if
-          local.get $5
-          local.set $12
-          local.get $2
-          local.set $11
-          local.get $9
-          local.set $10
-          local.get $10
-          i32.const 24
-          i32.shr_u
-          global.get $assembly/config/BIT_ROT
-          i32.sub
-          local.tee $13
-          i32.const 0
-          local.tee $14
-          local.get $13
-          local.get $14
-          i32.gt_s
-          select
-          local.set $13
-          block $assembly/index/set|inlined.1
-           local.get $13
-           i32.const 24
-           i32.shl
-           local.get $10
-           i32.const 16777215
-           i32.and
-           i32.or
-           local.set $16
-           global.get $assembly/index/s
-           local.get $11
-           global.get $assembly/index/w
-           i32.mul
-           i32.add
-           local.get $12
-           i32.add
-           i32.const 2
-           i32.shl
-           local.get $16
-           i32.store
-          end
-         else          
-          local.get $5
-          local.set $11
-          local.get $2
-          local.set $10
-          global.get $assembly/config/BGR_DEAD
-          i32.const -16777216
-          i32.or
-          local.set $13
-          global.get $assembly/index/s
-          local.get $10
-          global.get $assembly/index/w
-          i32.mul
-          i32.add
-          local.get $11
-          i32.add
-          i32.const 2
-          i32.shl
-          local.get $13
-          i32.store
-         end
-        else         
-         local.get $8
-         i32.const 3
-         i32.eq
-         if
-          local.get $5
-          local.set $11
-          local.get $2
-          local.set $10
-          global.get $assembly/config/BGR_ALIVE
-          i32.const -16777216
-          i32.or
-          local.set $13
-          global.get $assembly/index/s
-          local.get $10
-          global.get $assembly/index/w
-          i32.mul
-          i32.add
-          local.get $11
-          i32.add
-          i32.const 2
-          i32.shl
-          local.get $13
-          i32.store
-         else          
-          local.get $5
-          local.set $11
-          local.get $2
-          local.set $10
-          local.get $9
-          local.set $13
-          local.get $13
-          i32.const 24
-          i32.shr_u
-          global.get $assembly/config/BIT_ROT
-          i32.sub
-          local.tee $12
-          i32.const 0
-          local.tee $16
-          local.get $12
-          local.get $16
-          i32.gt_s
-          select
-          local.set $12
-          block $assembly/index/set|inlined.4
-           local.get $12
-           i32.const 24
-           i32.shl
-           local.get $13
-           i32.const 16777215
-           i32.and
-           i32.or
-           local.set $14
-           global.get $assembly/index/s
-           local.get $10
-           global.get $assembly/index/w
-           i32.mul
-           i32.add
-           local.get $11
-           i32.add
-           i32.const 2
-           i32.shl
-           local.get $14
-           i32.store
-          end
-         end
-        end
-       end
+       i32.const 1
+       i32.sub
+      end
+      local.set $6
+      local.get $5
+      local.get $1
+      i32.eq
+      if (result i32)
+       i32.const 0
+      else       
        local.get $5
        i32.const 1
        i32.add
-       local.set $5
-       br $repeat|1
-       unreachable
       end
+      local.set $7
+      block $assembly/index/get|inlined.0 (result i32)
+       local.get $6
+       local.set $9
+       local.get $3
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      block $assembly/index/get|inlined.1 (result i32)
+       local.get $5
+       local.set $9
+       local.get $3
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.2 (result i32)
+       local.get $7
+       local.set $9
+       local.get $3
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.3 (result i32)
+       local.get $6
+       local.set $9
+       local.get $2
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.4 (result i32)
+       local.get $7
+       local.set $9
+       local.get $2
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.5 (result i32)
+       local.get $6
+       local.set $9
+       local.get $4
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.6 (result i32)
+       local.get $5
+       local.set $9
+       local.get $4
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      block $assembly/index/get|inlined.7 (result i32)
+       local.get $7
+       local.set $9
+       local.get $4
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $9
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      i32.const 1
+      i32.and
+      i32.add
+      local.set $9
+      block $assembly/index/get|inlined.8 (result i32)
+       local.get $5
+       local.set $10
+       local.get $2
+       local.set $8
+       local.get $8
+       global.get $assembly/index/w
+       i32.mul
+       local.get $10
+       i32.add
+       i32.const 2
+       i32.shl
+       i32.load
+      end
+      local.set $10
+      local.get $10
+      i32.const 1
+      i32.and
+      if
+       local.get $9
+       i32.const 14
+       i32.and
+       i32.const 2
+       i32.eq
+       if
+        local.get $5
+        local.set $12
+        local.get $2
+        local.set $11
+        local.get $10
+        local.set $8
+        local.get $8
+        i32.const 24
+        i32.shr_u
+        global.get $assembly/config/BIT_ROT
+        i32.sub
+        local.tee $13
+        i32.const 0
+        local.tee $14
+        local.get $13
+        local.get $14
+        i32.gt_s
+        select
+        local.set $13
+        block $assembly/index/set|inlined.1
+         local.get $12
+         local.set $16
+         local.get $11
+         local.set $15
+         local.get $13
+         i32.const 24
+         i32.shl
+         local.get $8
+         i32.const 16777215
+         i32.and
+         i32.or
+         local.set $14
+         global.get $assembly/index/s
+         local.get $15
+         global.get $assembly/index/w
+         i32.mul
+         i32.add
+         local.get $16
+         i32.add
+         i32.const 2
+         i32.shl
+         local.get $14
+         i32.store
+        end
+       else        
+        local.get $5
+        local.set $16
+        local.get $2
+        local.set $15
+        global.get $assembly/config/BGR_DEAD
+        i32.const -16777216
+        i32.or
+        local.set $14
+        global.get $assembly/index/s
+        local.get $15
+        global.get $assembly/index/w
+        i32.mul
+        i32.add
+        local.get $16
+        i32.add
+        i32.const 2
+        i32.shl
+        local.get $14
+        i32.store
+       end
+      else       
+       local.get $9
+       i32.const 3
+       i32.eq
+       if
+        local.get $5
+        local.set $12
+        local.get $2
+        local.set $11
+        global.get $assembly/config/BGR_ALIVE
+        i32.const -16777216
+        i32.or
+        local.set $8
+        global.get $assembly/index/s
+        local.get $11
+        global.get $assembly/index/w
+        i32.mul
+        i32.add
+        local.get $12
+        i32.add
+        i32.const 2
+        i32.shl
+        local.get $8
+        i32.store
+       else        
+        local.get $5
+        local.set $15
+        local.get $2
+        local.set $14
+        local.get $10
+        local.set $13
+        local.get $13
+        i32.const 24
+        i32.shr_u
+        global.get $assembly/config/BIT_ROT
+        i32.sub
+        local.tee $12
+        i32.const 0
+        local.tee $11
+        local.get $12
+        local.get $11
+        i32.gt_s
+        select
+        local.set $12
+        block $assembly/index/set|inlined.4
+         local.get $15
+         local.set $11
+         local.get $14
+         local.set $8
+         local.get $12
+         i32.const 24
+         i32.shl
+         local.get $13
+         i32.const 16777215
+         i32.and
+         i32.or
+         local.set $16
+         global.get $assembly/index/s
+         local.get $8
+         global.get $assembly/index/w
+         i32.mul
+         i32.add
+         local.get $11
+         i32.add
+         i32.const 2
+         i32.shl
+         local.get $16
+         i32.store
+        end
+       end
+      end
+      local.get $5
+      i32.const 1
+      i32.add
+      local.set $5
+      br $repeat|1
       unreachable
      end
+     unreachable
     end
     local.get $2
     i32.const 1
diff --git a/examples/game-of-life/package.json b/examples/game-of-life/package.json
index 3089b6af..93ff48f7 100644
--- a/examples/game-of-life/package.json
+++ b/examples/game-of-life/package.json
@@ -3,8 +3,8 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --use Math=JSMath --importMemory --sourceMap --debug --validate --measure",
-    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts --use Math=JSMath -O3 --importMemory --sourceMap --validate --measure",
+    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --use Math=JSMath --runtime none --importMemory --sourceMap --debug --validate --measure",
+    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts --use Math=JSMath -O3  --runtime none --importMemory --sourceMap --validate --measure",
     "asbuild": "npm run asbuild:untouched && npm run asbuild:optimized",
     "server": "http-server . -o -c-1"
   },
diff --git a/examples/i64-polyfill/build/optimized.d.ts b/examples/i64-polyfill/build/optimized.d.ts
index cd5d4450..9a936f58 100644
--- a/examples/i64-polyfill/build/optimized.d.ts
+++ b/examples/i64-polyfill/build/optimized.d.ts
@@ -8,10 +8,6 @@ declare module ASModule {
   type f32 = number;
   type f64 = number;
   type bool = any;
-  const NaN: f64;
-  const Infinity: f64;
-  var lo: u32;
-  var hi: u32;
   function getLo(): u32;
   function getHi(): u32;
   function clz(loLeft: u32, hiLeft: u32): void;
diff --git a/examples/i64-polyfill/package.json b/examples/i64-polyfill/package.json
index af03821f..4f078111 100644
--- a/examples/i64-polyfill/package.json
+++ b/examples/i64-polyfill/package.json
@@ -17,8 +17,8 @@
   },
   "scripts": {
     "asbuild": "npm run asbuild:untouched && npm run asbuild:optimized",
-    "asbuild:untouched": "asc assembly/i64.ts -t build/untouched.wat -b build/untouched.wasm --validate --sourceMap --debug --measure",
-    "asbuild:optimized": "asc -O assembly/i64.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts --validate --sourceMap --measure",
+    "asbuild:untouched": "asc assembly/i64.ts -t build/untouched.wat -b build/untouched.wasm --runtime none --validate --sourceMap --debug --measure",
+    "asbuild:optimized": "asc assembly/i64.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts -O3 --runtime none --validate --sourceMap --measure",
     "test": "node tests"
   },
   "files": [
diff --git a/examples/mandelbrot/build/optimized.d.ts b/examples/mandelbrot/build/optimized.d.ts
index 820085f6..6dffd812 100644
--- a/examples/mandelbrot/build/optimized.d.ts
+++ b/examples/mandelbrot/build/optimized.d.ts
@@ -8,11 +8,6 @@ declare module ASModule {
   type f32 = number;
   type f64 = number;
   type bool = any;
-  namespace JSMath {
-    function log(x: f64): f64;
-    function log2(x: f64): f64;
-  }
-  var NUM_COLORS: i32;
   function computeLine(y: u32, width: u32, height: u32, limit: u32): void;
 }
 export default ASModule;
diff --git a/examples/mandelbrot/build/untouched.wat b/examples/mandelbrot/build/untouched.wat
index 9b2e60e0..b5efd7d4 100644
--- a/examples/mandelbrot/build/untouched.wat
+++ b/examples/mandelbrot/build/untouched.wat
@@ -94,159 +94,153 @@
     i32.lt_u
     i32.eqz
     br_if $break|0
-    block
-     local.get $12
-     f64.convert_i32_u
-     local.get $6
-     f64.mul
-     local.get $8
-     f64.sub
-     local.set $13
-     f64.const 0
-     local.set $14
-     f64.const 0
-     local.set $15
-     i32.const 0
-     local.set $18
-     block $break|1
-      loop $continue|1
-       local.get $14
-       local.get $14
-       f64.mul
-       local.tee $16
-       local.get $15
-       local.get $15
-       f64.mul
-       local.tee $17
-       f64.add
-       f64.const 4
-       f64.le
-       if
-        block
-         f64.const 2
-         local.get $14
-         f64.mul
-         local.get $15
-         f64.mul
-         local.get $7
-         f64.add
-         local.set $15
-         local.get $16
-         local.get $17
-         f64.sub
-         local.get $13
-         f64.add
-         local.set $14
-         local.get $18
-         local.get $3
-         i32.ge_u
-         if
-          br $break|1
-         end
-         local.get $18
-         i32.const 1
-         i32.add
-         local.set $18
-        end
-        br $continue|1
-       end
-      end
-     end
-     block $break|2
-      loop $continue|2
-       local.get $18
-       f64.convert_i32_u
-       local.get $11
-       f64.lt
-       if
-        block
-         local.get $14
-         local.get $14
-         f64.mul
-         local.get $15
-         local.get $15
-         f64.mul
-         f64.sub
-         local.get $13
-         f64.add
-         local.set $19
-         f64.const 2
-         local.get $14
-         f64.mul
-         local.get $15
-         f64.mul
-         local.get $7
-         f64.add
-         local.set $15
-         local.get $19
-         local.set $14
-         local.get $18
-         i32.const 1
-         i32.add
-         local.set $18
-        end
-        br $continue|2
-       end
-      end
-     end
-     global.get $assembly/index/NUM_COLORS
-     i32.const 1
-     i32.sub
-     local.set $20
-     local.get $14
-     local.get $14
-     f64.mul
-     local.get $15
-     local.get $15
-     f64.mul
-     f64.add
-     local.set $19
-     local.get $19
-     f64.const 1
-     f64.gt
-     if
-      f64.const 0.5
-      local.get $19
-      call $~lib/bindings/Math/log
+    local.get $12
+    f64.convert_i32_u
+    local.get $6
+    f64.mul
+    local.get $8
+    f64.sub
+    local.set $13
+    f64.const 0
+    local.set $14
+    f64.const 0
+    local.set $15
+    i32.const 0
+    local.set $18
+    block $break|1
+     loop $continue|1
+      local.get $14
+      local.get $14
       f64.mul
-      call $~lib/bindings/Math/log2
-      local.set $21
-      global.get $assembly/index/NUM_COLORS
-      i32.const 1
-      i32.sub
-      f64.convert_i32_s
-      block $assembly/index/clamp<f64>|inlined.0 (result f64)
+      local.tee $16
+      local.get $15
+      local.get $15
+      f64.mul
+      local.tee $17
+      f64.add
+      f64.const 4
+      f64.le
+      if
+       f64.const 2
+       local.get $14
+       f64.mul
+       local.get $15
+       f64.mul
+       local.get $7
+       f64.add
+       local.set $15
+       local.get $16
+       local.get $17
+       f64.sub
+       local.get $13
+       f64.add
+       local.set $14
+       local.get $18
+       local.get $3
+       i32.ge_u
+       if
+        br $break|1
+       end
        local.get $18
        i32.const 1
        i32.add
-       f64.convert_i32_u
-       local.get $21
-       f64.sub
-       local.get $10
-       f64.mul
-       local.set $24
-       f64.const 0
-       local.set $23
-       f64.const 1
-       local.set $22
-       local.get $24
-       local.get $23
-       f64.max
-       local.get $22
-       f64.min
+       local.set $18
+       br $continue|1
       end
-      f64.mul
-      i32.trunc_f64_u
-      local.set $20
      end
-     local.get $9
-     local.get $12
-     i32.const 1
-     i32.shl
-     i32.add
-     local.get $20
-     i32.store16
     end
+    block $break|2
+     loop $continue|2
+      local.get $18
+      f64.convert_i32_u
+      local.get $11
+      f64.lt
+      if
+       local.get $14
+       local.get $14
+       f64.mul
+       local.get $15
+       local.get $15
+       f64.mul
+       f64.sub
+       local.get $13
+       f64.add
+       local.set $19
+       f64.const 2
+       local.get $14
+       f64.mul
+       local.get $15
+       f64.mul
+       local.get $7
+       f64.add
+       local.set $15
+       local.get $19
+       local.set $14
+       local.get $18
+       i32.const 1
+       i32.add
+       local.set $18
+       br $continue|2
+      end
+     end
+    end
+    global.get $assembly/index/NUM_COLORS
+    i32.const 1
+    i32.sub
+    local.set $20
+    local.get $14
+    local.get $14
+    f64.mul
+    local.get $15
+    local.get $15
+    f64.mul
+    f64.add
+    local.set $19
+    local.get $19
+    f64.const 1
+    f64.gt
+    if
+     f64.const 0.5
+     local.get $19
+     call $~lib/bindings/Math/log
+     f64.mul
+     call $~lib/bindings/Math/log2
+     local.set $21
+     global.get $assembly/index/NUM_COLORS
+     i32.const 1
+     i32.sub
+     f64.convert_i32_s
+     block $assembly/index/clamp<f64>|inlined.0 (result f64)
+      local.get $18
+      i32.const 1
+      i32.add
+      f64.convert_i32_u
+      local.get $21
+      f64.sub
+      local.get $10
+      f64.mul
+      local.set $24
+      f64.const 0
+      local.set $23
+      f64.const 1
+      local.set $22
+      local.get $24
+      local.get $23
+      f64.max
+      local.get $22
+      f64.min
+     end
+     f64.mul
+     i32.trunc_f64_u
+     local.set $20
+    end
+    local.get $9
+    local.get $12
+    i32.const 1
+    i32.shl
+    i32.add
+    local.get $20
+    i32.store16
     local.get $12
     i32.const 1
     i32.add
diff --git a/examples/mandelbrot/package.json b/examples/mandelbrot/package.json
index 8d583687..28f94c01 100644
--- a/examples/mandelbrot/package.json
+++ b/examples/mandelbrot/package.json
@@ -3,8 +3,8 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --use Math=JSMath --importMemory --sourceMap --debug --validate --measure",
-    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts --use Math=JSMath -O3 --importMemory --sourceMap --validate --measure",
+    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --use Math=JSMath --runtime none --importMemory --sourceMap --debug --validate --measure",
+    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -d build/optimized.d.ts --use Math=JSMath --runtime none -O3 --importMemory --sourceMap --validate --measure",
     "asbuild": "npm run asbuild:untouched && npm run asbuild:optimized",
     "server": "http-server . -o -c-1"
   },
diff --git a/examples/n-body/assembly/index.ts b/examples/n-body/assembly/index.ts
index 9a37c2d6..4173cb11 100644
--- a/examples/n-body/assembly/index.ts
+++ b/examples/n-body/assembly/index.ts
@@ -1,5 +1,3 @@
-import "allocator/arena";
-
 // From The Computer Language Benchmarks Game
 // http://benchmarksgame.alioth.debian.org
 
diff --git a/examples/n-body/build/index.asm.js b/examples/n-body/build/index.asm.js
index 1c85f4be..1f65685e 100644
--- a/examples/n-body/build/index.asm.js
+++ b/examples/n-body/build/index.asm.js
@@ -1,3 +1,4 @@
+
 function asmFunc(global, env, buffer) {
  "almost asm";
  var HEAP8 = new global.Int8Array(buffer);
@@ -21,314 +22,230 @@ function asmFunc(global, env, buffer) {
  var nan = global.NaN;
  var infinity = global.Infinity;
  var assembly_index_system = 0;
- var $lib_allocator_arena_startOffset = 0;
- var $lib_allocator_arena_offset = 0;
- var i64toi32_i32$HIGH_BITS = 0;
- function $lib_allocator_arena___mem_allocate($0) {
-  $0 = $0 | 0;
-  var $1 = 0, $2 = 0, $3 = 0, wasm2js_i32$0 = 0, wasm2js_i32$1 = 0, wasm2js_i32$2 = 0;
-  if ($0 >>> 0 > 1073741824 >>> 0) abort();
-  $1 = $lib_allocator_arena_offset;
-  $0 = (($1 + (wasm2js_i32$0 = $0, wasm2js_i32$1 = 1, wasm2js_i32$2 = $0 >>> 0 > 1 >>> 0, wasm2js_i32$2 ? wasm2js_i32$0 : wasm2js_i32$1) | 0) + 7 | 0) & 4294967288 | 0;
-  $2 = __wasm_current_memory();
-  if ($0 >>> 0 > ($2 << 16 | 0) >>> 0) {
-   $3 = ((($0 - $1 | 0) + 65535 | 0) & 4294901760 | 0) >>> 16 | 0;
-   if ((__wasm_grow_memory((wasm2js_i32$0 = $2, wasm2js_i32$1 = $3, wasm2js_i32$2 = ($2 | 0) > ($3 | 0), wasm2js_i32$2 ? wasm2js_i32$0 : wasm2js_i32$1) | 0) | 0) < (0 | 0)) if ((__wasm_grow_memory($3 | 0) | 0) < (0 | 0)) abort();;
+ var $lib_rt_stub_startOffset = 0;
+ var $lib_rt_stub_offset = 0;
+ function $lib_rt_stub___alloc($0, $1) {
+  var $2 = 0, $3 = 0, $4 = 0, $5 = 0;
+  if ($0 >>> 0 > 1073741808 >>> 0) {
+   abort()
   }
-  $lib_allocator_arena_offset = $0;
-  return $1 | 0;
- }
- 
- function $lib_util_runtime_allocate($0) {
-  $0 = $0 | 0;
-  var $1 = 0, wasm2js_i32$0 = 0, wasm2js_i32$1 = 0;
-  $1 = $lib_allocator_arena___mem_allocate(1 << (32 - Math_clz32($0 + 15 | 0) | 0) | 0 | 0) | 0;
-  wasm2js_i32$0 = $1;
-  wasm2js_i32$1 = 2774420247;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $1;
-  wasm2js_i32$1 = $0;
-  HEAP32[(wasm2js_i32$0 + 4 | 0) >> 2] = wasm2js_i32$1;
-  return $1 + 16 | 0 | 0;
+  $3 = $lib_rt_stub_offset + 16 | 0;
+  $2 = (($3 + ($0 >>> 0 > 1 >>> 0 ? $0 : 1) | 0) + 15 | 0) & -16 | 0;
+  $4 = __wasm_memory_size();
+  if ($2 >>> 0 > ($4 << 16 | 0) >>> 0) {
+   $5 = ((($2 - $3 | 0) + 65535 | 0) & -65536 | 0) >>> 16 | 0;
+   if ((__wasm_memory_grow((($4 | 0) > ($5 | 0) ? $4 : $5) | 0) | 0) < (0 | 0)) {
+    if ((__wasm_memory_grow($5 | 0) | 0) < (0 | 0)) {
+     abort()
+    }
+   }
+  }
+  $lib_rt_stub_offset = $2;
+  $2 = $3 - 16 | 0;
+  HEAP32[($2 + 8 | 0) >> 2] = $1;
+  HEAP32[($2 + 12 | 0) >> 2] = $0;
+  return $3;
  }
  
  function assembly_index_NBodySystem_constructor($0) {
-  $0 = $0 | 0;
-  var $1 = 0, $2 = 0, $3 = 0.0, $4 = 0.0, $5 = 0.0, $6 = 0.0, $7 = 0, wasm2js_i32$0 = 0, wasm2js_f64$0 = 0.0, wasm2js_i32$1 = 0;
-  $7 = HEAP32[($0 + 12 | 0) >> 2] | 0;
-  repeat_0 : do {
+  var $1 = 0, $2 = 0, $3 = 0.0, $4 = 0.0, $5 = 0.0, $6 = 0.0, $7 = 0;
+  $7 = HEAP32[($0 + 12 | 0) >> 2];
+  repeat_0 : while (1) {
    if (($1 | 0) < ($7 | 0)) {
-    $2 = HEAPU32[((HEAPU32[($0 + 4 | 0) >> 2] | 0) + ($1 << 2 | 0) | 0) >> 2] | 0;
-    $3 = +HEAPF64[($2 + 48 | 0) >> 3];
-    $4 = $4 + +HEAPF64[($2 + 24 | 0) >> 3] * $3;
-    $5 = $5 + +HEAPF64[($2 + 32 | 0) >> 3] * $3;
-    $6 = $6 + +HEAPF64[($2 + 40 | 0) >> 3] * $3;
+    $2 = HEAP32[(HEAP32[($0 + 4 | 0) >> 2] + ($1 << 2 | 0) | 0) >> 2];
+    $3 = HEAPF64[($2 + 48 | 0) >> 3];
+    $4 = $4 + HEAPF64[($2 + 24 | 0) >> 3] * $3;
+    $5 = $5 + HEAPF64[($2 + 32 | 0) >> 3] * $3;
+    $6 = $6 + HEAPF64[($2 + 40 | 0) >> 3] * $3;
     $1 = $1 + 1 | 0;
     continue repeat_0;
    }
    break repeat_0;
-  } while (1);
-  $1 = HEAPU32[(HEAPU32[($0 + 4 | 0) >> 2] | 0) >> 2] | 0;
-  wasm2js_i32$0 = $1;
-  wasm2js_f64$0 = -$4 / 39.47841760435743;
-  HEAPF64[(wasm2js_i32$0 + 24 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $1;
-  wasm2js_f64$0 = -$5 / 39.47841760435743;
-  HEAPF64[(wasm2js_i32$0 + 32 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $1;
-  wasm2js_f64$0 = -$6 / 39.47841760435743;
-  HEAPF64[(wasm2js_i32$0 + 40 | 0) >> 3] = wasm2js_f64$0;
-  $1 = $lib_util_runtime_allocate(4 | 0) | 0;
-  wasm2js_i32$0 = $1 - 16 | 0;
-  wasm2js_i32$1 = 17;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $1;
-  wasm2js_i32$1 = $0;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  return $1 | 0;
+  };
+  $1 = HEAP32[HEAP32[($0 + 4 | 0) >> 2] >> 2];
+  HEAPF64[($1 + 24 | 0) >> 3] = -$4 / 39.47841760435743;
+  HEAPF64[($1 + 32 | 0) >> 3] = -$5 / 39.47841760435743;
+  HEAPF64[($1 + 40 | 0) >> 3] = -$6 / 39.47841760435743;
+  $1 = $lib_rt_stub___alloc(4, 3);
+  HEAP32[$1 >> 2] = $0;
+  return $1;
  }
  
  function assembly_index_Body_constructor($0, $1, $2, $3, $4, $5, $6) {
-  $0 = +$0;
-  $1 = +$1;
-  $2 = +$2;
-  $3 = +$3;
-  $4 = +$4;
-  $5 = +$5;
-  $6 = +$6;
-  var $7 = 0, wasm2js_i32$0 = 0, wasm2js_i32$1 = 0, wasm2js_f64$0 = 0.0;
-  $7 = $lib_util_runtime_allocate(56 | 0) | 0;
-  wasm2js_i32$0 = $7 - 16 | 0;
-  wasm2js_i32$1 = 18;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $0;
-  HEAPF64[wasm2js_i32$0 >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $1;
-  HEAPF64[(wasm2js_i32$0 + 8 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $2;
-  HEAPF64[(wasm2js_i32$0 + 16 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $3;
-  HEAPF64[(wasm2js_i32$0 + 24 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $4;
-  HEAPF64[(wasm2js_i32$0 + 32 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $5;
-  HEAPF64[(wasm2js_i32$0 + 40 | 0) >> 3] = wasm2js_f64$0;
-  wasm2js_i32$0 = $7;
-  wasm2js_f64$0 = $6;
-  HEAPF64[(wasm2js_i32$0 + 48 | 0) >> 3] = wasm2js_f64$0;
-  return $7 | 0;
+  var $7 = 0;
+  $7 = $lib_rt_stub___alloc(56, 4);
+  HEAPF64[$7 >> 3] = $0;
+  HEAPF64[($7 + 8 | 0) >> 3] = $1;
+  HEAPF64[($7 + 16 | 0) >> 3] = $2;
+  HEAPF64[($7 + 24 | 0) >> 3] = $3;
+  HEAPF64[($7 + 32 | 0) >> 3] = $4;
+  HEAPF64[($7 + 40 | 0) >> 3] = $5;
+  HEAPF64[($7 + 48 | 0) >> 3] = $6;
+  return $7;
  }
  
- function $lib_util_runtime_makeArray() {
-  var $0 = 0, $1 = 0, wasm2js_i32$0 = 0, wasm2js_i32$1 = 0;
-  $0 = $lib_util_runtime_allocate(16 | 0) | 0;
-  wasm2js_i32$0 = $0 - 16 | 0;
-  wasm2js_i32$1 = 19;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  $1 = $lib_util_runtime_allocate(20 | 0) | 0;
-  wasm2js_i32$0 = $1 - 16 | 0;
-  wasm2js_i32$1 = 15;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = $1;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = $1;
-  HEAP32[(wasm2js_i32$0 + 4 | 0) >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = 20;
-  HEAP32[(wasm2js_i32$0 + 8 | 0) >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = 5;
-  HEAP32[(wasm2js_i32$0 + 12 | 0) >> 2] = wasm2js_i32$1;
-  return $0 | 0;
+ function $lib_rt___allocArray() {
+  var $0 = 0, $1 = 0;
+  $0 = $lib_rt_stub___alloc(16, 5);
+  $1 = $lib_rt_stub___alloc(20, 0);
+  HEAP32[$0 >> 2] = $1;
+  HEAP32[($0 + 4 | 0) >> 2] = $1;
+  HEAP32[($0 + 8 | 0) >> 2] = 20;
+  HEAP32[($0 + 12 | 0) >> 2] = 5;
+  return $0;
  }
  
  function assembly_index_init() {
   var $0 = 0, $1 = 0, wasm2js_i32$0 = 0, wasm2js_i32$1 = 0;
-  $1 = $lib_util_runtime_makeArray() | 0;
-  $0 = HEAPU32[($1 + 4 | 0) >> 2] | 0;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = assembly_index_Body_constructor(+(0.0), +(0.0), +(0.0), +(0.0), +(0.0), +(0.0), +(39.47841760435743)) | 0;
-  HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = assembly_index_Body_constructor(+(4.841431442464721), +(-1.1603200440274284), +(-.10362204447112311), +(.606326392995832), +(2.81198684491626), +(-.02521836165988763), +(.03769367487038949)) | 0;
-  HEAP32[(wasm2js_i32$0 + 4 | 0) >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = assembly_index_Body_constructor(+(8.34336671824458), +(4.124798564124305), +(-.4035234171143214), +(-1.0107743461787924), +(1.8256623712304119), +(.008415761376584154), +(.011286326131968767)) | 0;
-  HEAP32[(wasm2js_i32$0 + 8 | 0) >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = assembly_index_Body_constructor(+(12.894369562139131), +(-15.111151401698631), +(-.22330757889265573), +(1.0827910064415354), +(.8687130181696082), +(-.010832637401363636), +(1.7237240570597112e-03)) | 0;
-  HEAP32[(wasm2js_i32$0 + 12 | 0) >> 2] = wasm2js_i32$1;
-  wasm2js_i32$0 = $0;
-  wasm2js_i32$1 = assembly_index_Body_constructor(+(15.379697114850917), +(-25.919314609987964), +(.17925877295037118), +(.979090732243898), +(.5946989986476762), +(-.034755955504078104), +(2.0336868699246304e-03)) | 0;
-  HEAP32[(wasm2js_i32$0 + 16 | 0) >> 2] = wasm2js_i32$1;
-  assembly_index_system = assembly_index_NBodySystem_constructor($1 | 0) | 0;
+  $1 = $lib_rt___allocArray();
+  $0 = HEAP32[($1 + 4 | 0) >> 2];
+  (wasm2js_i32$0 = $0, wasm2js_i32$1 = assembly_index_Body_constructor(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 39.47841760435743)), HEAP32[wasm2js_i32$0 >> 2] = wasm2js_i32$1;
+  (wasm2js_i32$0 = $0, wasm2js_i32$1 = assembly_index_Body_constructor(4.841431442464721, -1.1603200440274284, -.10362204447112311, .606326392995832, 2.81198684491626, -.02521836165988763, .03769367487038949)), HEAP32[(wasm2js_i32$0 + 4 | 0) >> 2] = wasm2js_i32$1;
+  (wasm2js_i32$0 = $0, wasm2js_i32$1 = assembly_index_Body_constructor(8.34336671824458, 4.124798564124305, -.4035234171143214, -1.0107743461787924, 1.8256623712304119, .008415761376584154, .011286326131968767)), HEAP32[(wasm2js_i32$0 + 8 | 0) >> 2] = wasm2js_i32$1;
+  (wasm2js_i32$0 = $0, wasm2js_i32$1 = assembly_index_Body_constructor(12.894369562139131, -15.111151401698631, -.22330757889265573, 1.0827910064415354, .8687130181696082, -.010832637401363636, 1.7237240570597112e-03)), HEAP32[(wasm2js_i32$0 + 12 | 0) >> 2] = wasm2js_i32$1;
+  (wasm2js_i32$0 = $0, wasm2js_i32$1 = assembly_index_Body_constructor(15.379697114850917, -25.919314609987964, .17925877295037118, .979090732243898, .5946989986476762, -.034755955504078104, 2.0336868699246304e-03)), HEAP32[(wasm2js_i32$0 + 16 | 0) >> 2] = wasm2js_i32$1;
+  assembly_index_system = assembly_index_NBodySystem_constructor($1);
  }
  
  function assembly_index_NBodySystem_advance($0) {
-  $0 = $0 | 0;
-  var $1 = 0, $2 = 0.0, $8 = 0.0, $3 = 0, $4 = 0.0, $5 = 0.0, $6 = 0.0, $7 = 0, $9 = 0.0, $10 = 0.0, $11 = 0.0, $12 = 0, $13 = 0, $14 = 0.0, $15 = 0.0, $16 = 0.0, $17 = 0.0, $107 = 0.0, wasm2js_i32$0 = 0, wasm2js_f64$0 = 0.0;
-  $12 = HEAPU32[$0 >> 2] | 0;
-  $13 = HEAP32[($12 + 12 | 0) >> 2] | 0;
-  repeat_0 : do {
-   if ($3 >>> 0 < $13 >>> 0) {
-    $0 = HEAPU32[((HEAPU32[($12 + 4 | 0) >> 2] | 0) + ($3 << 2 | 0) | 0) >> 2] | 0;
-    $14 = +HEAPF64[$0 >> 3];
-    $15 = +HEAPF64[($0 + 8 | 0) >> 3];
-    $16 = +HEAPF64[($0 + 16 | 0) >> 3];
-    $4 = +HEAPF64[($0 + 24 | 0) >> 3];
-    $5 = +HEAPF64[($0 + 32 | 0) >> 3];
-    $6 = +HEAPF64[($0 + 40 | 0) >> 3];
-    $17 = +HEAPF64[($0 + 48 | 0) >> 3];
-    $7 = $3 + 1 | 0;
-    repeat_1 : do {
-     if ($7 >>> 0 < $13 >>> 0) {
-      $1 = HEAPU32[((HEAPU32[($12 + 4 | 0) >> 2] | 0) + ($7 << 2 | 0) | 0) >> 2] | 0;
-      $2 = $14 - +HEAPF64[$1 >> 3];
-      $9 = $15 - +HEAPF64[($1 + 8 | 0) >> 3];
-      $10 = $16 - +HEAPF64[($1 + 16 | 0) >> 3];
-      $8 = $2 * $2 + $9 * $9 + $10 * $10;
-      $11 = Math_sqrt($8);
-      $11 = .01 / ($8 * $11);
-      $8 = +HEAPF64[($1 + 48 | 0) >> 3] * $11;
-      $4 = $4 - $2 * $8;
-      $5 = $5 - $9 * $8;
-      $6 = $6 - $10 * $8;
-      $107 = $2;
+  var $1 = 0, $2 = 0.0, $3 = 0.0, $4 = 0, $5 = 0.0, $6 = 0.0, $7 = 0.0, $8 = 0, $9 = 0.0, $10 = 0.0, $11 = 0.0, $12 = 0, $13 = 0, $14 = 0.0, $15 = 0.0, $16 = 0.0, $17 = 0.0;
+  $12 = HEAP32[$0 >> 2];
+  $13 = HEAP32[($12 + 12 | 0) >> 2];
+  repeat_0 : while (1) {
+   if ($4 >>> 0 < $13 >>> 0) {
+    $0 = HEAP32[(HEAP32[($12 + 4 | 0) >> 2] + ($4 << 2 | 0) | 0) >> 2];
+    $14 = HEAPF64[$0 >> 3];
+    $15 = HEAPF64[($0 + 8 | 0) >> 3];
+    $16 = HEAPF64[($0 + 16 | 0) >> 3];
+    $5 = HEAPF64[($0 + 24 | 0) >> 3];
+    $6 = HEAPF64[($0 + 32 | 0) >> 3];
+    $7 = HEAPF64[($0 + 40 | 0) >> 3];
+    $17 = HEAPF64[($0 + 48 | 0) >> 3];
+    $8 = $4 + 1 | 0;
+    repeat_1 : while (1) {
+     if ($8 >>> 0 < $13 >>> 0) {
+      $1 = HEAP32[(HEAP32[($12 + 4 | 0) >> 2] + ($8 << 2 | 0) | 0) >> 2];
+      $2 = $14 - HEAPF64[$1 >> 3];
+      $9 = $15 - HEAPF64[($1 + 8 | 0) >> 3];
+      $10 = $16 - HEAPF64[($1 + 16 | 0) >> 3];
+      $3 = $2 * $2 + $9 * $9 + $10 * $10;
+      $11 = Math_sqrt($3);
+      $11 = .01 / ($3 * $11);
+      $3 = HEAPF64[($1 + 48 | 0) >> 3] * $11;
+      $5 = $5 - $2 * $3;
+      $6 = $6 - $9 * $3;
+      $7 = $7 - $10 * $3;
+      $3 = $2;
       $2 = $17 * $11;
-      wasm2js_i32$0 = $1;
-      wasm2js_f64$0 = +HEAPF64[($1 + 24 | 0) >> 3] + $107 * $2;
-      HEAPF64[(wasm2js_i32$0 + 24 | 0) >> 3] = wasm2js_f64$0;
-      wasm2js_i32$0 = $1;
-      wasm2js_f64$0 = +HEAPF64[($1 + 32 | 0) >> 3] + $9 * $2;
-      HEAPF64[(wasm2js_i32$0 + 32 | 0) >> 3] = wasm2js_f64$0;
-      wasm2js_i32$0 = $1;
-      wasm2js_f64$0 = +HEAPF64[($1 + 40 | 0) >> 3] + $10 * $2;
-      HEAPF64[(wasm2js_i32$0 + 40 | 0) >> 3] = wasm2js_f64$0;
-      $7 = $7 + 1 | 0;
+      HEAPF64[($1 + 24 | 0) >> 3] = HEAPF64[($1 + 24 | 0) >> 3] + $3 * $2;
+      HEAPF64[($1 + 32 | 0) >> 3] = HEAPF64[($1 + 32 | 0) >> 3] + $9 * $2;
+      HEAPF64[($1 + 40 | 0) >> 3] = HEAPF64[($1 + 40 | 0) >> 3] + $10 * $2;
+      $8 = $8 + 1 | 0;
       continue repeat_1;
      }
      break repeat_1;
-    } while (1);
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = $4;
-    HEAPF64[(wasm2js_i32$0 + 24 | 0) >> 3] = wasm2js_f64$0;
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = $5;
-    HEAPF64[(wasm2js_i32$0 + 32 | 0) >> 3] = wasm2js_f64$0;
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = $6;
-    HEAPF64[(wasm2js_i32$0 + 40 | 0) >> 3] = wasm2js_f64$0;
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = +HEAPF64[$0 >> 3] + .01 * $4;
-    HEAPF64[wasm2js_i32$0 >> 3] = wasm2js_f64$0;
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = +HEAPF64[($0 + 8 | 0) >> 3] + .01 * $5;
-    HEAPF64[(wasm2js_i32$0 + 8 | 0) >> 3] = wasm2js_f64$0;
-    wasm2js_i32$0 = $0;
-    wasm2js_f64$0 = +HEAPF64[($0 + 16 | 0) >> 3] + .01 * $6;
-    HEAPF64[(wasm2js_i32$0 + 16 | 0) >> 3] = wasm2js_f64$0;
-    $3 = $3 + 1 | 0;
+    };
+    HEAPF64[($0 + 24 | 0) >> 3] = $5;
+    HEAPF64[($0 + 32 | 0) >> 3] = $6;
+    HEAPF64[($0 + 40 | 0) >> 3] = $7;
+    HEAPF64[$0 >> 3] = HEAPF64[$0 >> 3] + .01 * $5;
+    HEAPF64[($0 + 8 | 0) >> 3] = HEAPF64[($0 + 8 | 0) >> 3] + .01 * $6;
+    HEAPF64[($0 + 16 | 0) >> 3] = HEAPF64[($0 + 16 | 0) >> 3] + .01 * $7;
+    $4 = $4 + 1 | 0;
     continue repeat_0;
    }
    break repeat_0;
-  } while (1);
+  };
  }
  
  function assembly_index_NBodySystem_energy($0) {
-  $0 = $0 | 0;
-  var $1 = 0.0, $2 = 0, $3 = 0, $4 = 0, $5 = 0, $10 = 0.0, $6 = 0.0, $7 = 0.0, $8 = 0.0, $9 = 0.0, $30 = 0.0, $39 = 0.0, $45 = 0.0, $69 = 0.0, $84 = 0.0;
-  $4 = HEAPU32[$0 >> 2] | 0;
-  $5 = HEAP32[($4 + 12 | 0) >> 2] | 0;
-  repeat_0 : do {
-   if ($2 >>> 0 < $5 >>> 0) {
-    $0 = HEAPU32[((HEAPU32[($4 + 4 | 0) >> 2] | 0) + ($2 << 2 | 0) | 0) >> 2] | 0;
-    $7 = +HEAPF64[$0 >> 3];
-    $8 = +HEAPF64[($0 + 8 | 0) >> 3];
-    $9 = +HEAPF64[($0 + 16 | 0) >> 3];
-    $30 = $1;
-    $10 = +HEAPF64[($0 + 48 | 0) >> 3];
-    $1 = +HEAPF64[($0 + 24 | 0) >> 3];
-    $39 = $1 * $1;
-    $1 = +HEAPF64[($0 + 32 | 0) >> 3];
-    $45 = $39 + $1 * $1;
-    $1 = +HEAPF64[($0 + 40 | 0) >> 3];
-    $1 = $30 + .5 * $10 * ($45 + $1 * $1);
-    $0 = $2 + 1 | 0;
-    repeat_1 : do {
-     if ($0 >>> 0 < $5 >>> 0) {
-      $3 = HEAPU32[((HEAPU32[($4 + 4 | 0) >> 2] | 0) + ($0 << 2 | 0) | 0) >> 2] | 0;
-      $6 = $7 - +HEAPF64[$3 >> 3];
-      $69 = $1;
-      $1 = $8 - +HEAPF64[($3 + 8 | 0) >> 3];
-      $84 = $6 * $6 + $1 * $1;
-      $1 = $9 - +HEAPF64[($3 + 16 | 0) >> 3];
-      $1 = $69 - $10 * +HEAPF64[($3 + 48 | 0) >> 3] / Math_sqrt($84 + $1 * $1);
+  var $1 = 0.0, $2 = 0.0, $3 = 0, $4 = 0, $5 = 0, $6 = 0.0, $7 = 0, $8 = 0.0, $9 = 0.0, $10 = 0.0, $11 = 0.0;
+  $5 = HEAP32[$0 >> 2];
+  $7 = HEAP32[($5 + 12 | 0) >> 2];
+  repeat_0 : while (1) {
+   if ($3 >>> 0 < $7 >>> 0) {
+    $0 = HEAP32[(HEAP32[($5 + 4 | 0) >> 2] + ($3 << 2 | 0) | 0) >> 2];
+    $9 = HEAPF64[$0 >> 3];
+    $10 = HEAPF64[($0 + 8 | 0) >> 3];
+    $11 = HEAPF64[($0 + 16 | 0) >> 3];
+    $6 = $1;
+    $8 = HEAPF64[($0 + 48 | 0) >> 3];
+    $1 = HEAPF64[($0 + 24 | 0) >> 3];
+    $2 = $1 * $1;
+    $1 = HEAPF64[($0 + 32 | 0) >> 3];
+    $2 = $2 + $1 * $1;
+    $1 = HEAPF64[($0 + 40 | 0) >> 3];
+    $1 = $6 + .5 * $8 * ($2 + $1 * $1);
+    $0 = $3 + 1 | 0;
+    repeat_1 : while (1) {
+     if ($0 >>> 0 < $7 >>> 0) {
+      $4 = HEAP32[(HEAP32[($5 + 4 | 0) >> 2] + ($0 << 2 | 0) | 0) >> 2];
+      $6 = $1;
+      $1 = $9 - HEAPF64[$4 >> 3];
+      $2 = $1 * $1;
+      $1 = $10 - HEAPF64[($4 + 8 | 0) >> 3];
+      $2 = $2 + $1 * $1;
+      $1 = $11 - HEAPF64[($4 + 16 | 0) >> 3];
+      $1 = $6 - $8 * HEAPF64[($4 + 48 | 0) >> 3] / Math_sqrt($2 + $1 * $1);
       $0 = $0 + 1 | 0;
       continue repeat_1;
      }
      break repeat_1;
-    } while (1);
-    $2 = $2 + 1 | 0;
+    };
+    $3 = $3 + 1 | 0;
     continue repeat_0;
    }
    break repeat_0;
-  } while (1);
-  return +$1;
+  };
+  return $1;
  }
  
  function assembly_index_step() {
-  assembly_index_NBodySystem_advance(assembly_index_system | 0);
-  return +(+assembly_index_NBodySystem_energy(assembly_index_system | 0));
+  assembly_index_NBodySystem_advance(assembly_index_system);
+  return +assembly_index_NBodySystem_energy(assembly_index_system);
  }
  
  function assembly_index_bench($0) {
   $0 = $0 | 0;
   var $1 = 0;
-  break_0 : {
-   repeat_0 : do {
-    if ($1 >>> 0 >= $0 >>> 0) break break_0;
-    assembly_index_NBodySystem_advance(assembly_index_system | 0);
+  repeat_0 : while (1) {
+   if (!($1 >>> 0 >= $0 >>> 0)) {
+    assembly_index_NBodySystem_advance(assembly_index_system);
     $1 = $1 + 1 | 0;
     continue repeat_0;
-    break repeat_0;
-   } while (1);
+   }
+   break repeat_0;
   };
  }
  
  function assembly_index_getBody($0) {
   $0 = $0 | 0;
-  var $1 = 0, $14 = 0;
-  $1 = HEAPU32[assembly_index_system >> 2] | 0;
-  if ($0 >>> 0 < (HEAP32[($1 + 12 | 0) >> 2] | 0) >>> 0) $14 = HEAPU32[((HEAPU32[($1 + 4 | 0) >> 2] | 0) + ($0 << 2 | 0) | 0) >> 2] | 0; else $14 = 0;
-  return $14 | 0;
+  var $1 = 0;
+  $1 = HEAP32[assembly_index_system >> 2];
+  if ($0 >>> 0 < HEAP32[($1 + 12 | 0) >> 2] >>> 0) {
+   $0 = HEAP32[(HEAP32[($1 + 4 | 0) >> 2] + ($0 << 2 | 0) | 0) >> 2]
+  } else {
+   $0 = 0
+  }
+  return $0 | 0;
  }
  
  function start() {
-  $lib_allocator_arena_startOffset = 8;
-  $lib_allocator_arena_offset = $lib_allocator_arena_startOffset;
+  $lib_rt_stub_startOffset = 16;
+  $lib_rt_stub_offset = $lib_rt_stub_startOffset;
  }
  
- function null_() {
-  
- }
- 
- function __wasm_grow_memory(pagesToAdd) {
+ var FUNCTION_TABLE = [];
+ function __wasm_memory_grow(pagesToAdd) {
   pagesToAdd = pagesToAdd | 0;
-  var oldPages = __wasm_current_memory() | 0;
+  var oldPages = __wasm_memory_size() | 0;
   var newPages = oldPages + pagesToAdd | 0;
   if ((oldPages < newPages) && (newPages < 65536)) {
    var newBuffer = new ArrayBuffer(Math_imul(newPages, 65536));
    var newHEAP8 = new global.Int8Array(newBuffer);
    newHEAP8.set(HEAP8);
    HEAP8 = newHEAP8;
+   HEAP8 = new global.Int8Array(newBuffer);
    HEAP16 = new global.Int16Array(newBuffer);
    HEAP32 = new global.Int32Array(newBuffer);
    HEAPU8 = new global.Uint8Array(newBuffer);
@@ -341,32 +258,33 @@ function asmFunc(global, env, buffer) {
   return oldPages;
  }
  
- function __wasm_current_memory() {
+ function __wasm_memory_size() {
   return buffer.byteLength / 65536 | 0;
  }
  
  return {
-  memory: Object.create(Object.prototype, {
-   grow: {
-    value: __wasm_grow_memory
+  "memory": Object.create(Object.prototype, {
+   "grow": {
+    "value": __wasm_memory_grow
    }, 
-   buffer: {
-    get: function () {
+   "buffer": {
+    "get": function () {
      return buffer;
     }
     
    }
   }), 
-  init: assembly_index_init, 
-  step: assembly_index_step, 
-  bench: assembly_index_bench, 
-  getBody: assembly_index_getBody
+  "init": assembly_index_init, 
+  "step": assembly_index_step, 
+  "bench": assembly_index_bench, 
+  "getBody": assembly_index_getBody
  };
 }
 
-const memasmFunc = new ArrayBuffer(65536);
-const retasmFunc = asmFunc({Math,Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array,NaN,Infinity}, {abort:function() { throw new Error('abort'); }},memasmFunc);
-export const memory = retasmFunc.memory;
-export const init = retasmFunc.init;
-export const step = retasmFunc.step;
-export const bench = retasmFunc.bench;
+var memasmFunc = new ArrayBuffer(65536);
+var retasmFunc = asmFunc({Math,Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array,NaN,Infinity}, {abort:function() { throw new Error('abort'); }},memasmFunc);
+exports.memory =  retasmFunc.memory;
+exports.init =  retasmFunc.init;
+exports.step =  retasmFunc.step;
+exports.bench =  retasmFunc.bench;
+exports.getBody =  retasmFunc.getBody;
diff --git a/examples/n-body/build/optimized.wasm b/examples/n-body/build/optimized.wasm
index ea9364a216ef6c07353b6997c2e17d96d7d667b4..a4fa268fd8bd90fddd3463d3618950cb39bb5f30 100644
GIT binary patch
delta 384
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zynvP9gIM?)f>yS1R*QQ$=i?sEbM-T7!RhcC0RT6`E<l&E46`o&3v>a;MHo-*YE+Go
zN&yHZ1x=4ynUup(?+yZW*1I{sf-t!3jrMOZ9-tgzrShSpN0gZb{+`e0q9YT~4Puiz
z;Taa!si(Y<^4-AE9yrNn<iD)6WJRBSC*{dxJYaM0l&9*jo&dvve^G^T-htNIQqvdM
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zboqo@`Haf`7LoE-YJ2_p(;ZRxC(#ZmCS%dy+q)Q0O*O!j^orl1L?qTPA6L;cm7kR2
N$TYEmP0|8T{{mR0M?L@m

delta 431
zcmX|*&q_i;6vodvbM>m@&B-Dt7fn}_Y#Ur!l@kb&iwIx9{)lp=KjI}Sgj=iDa-kLx
zv~F1s(Y6Qa1zOn|sRqvB<M(~@&3xsbJPn7#Qv?89b=v@Kj4^Hlj;yc?#?=*X#zVwZ
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zmO|r(=4#->Huz*z#1TyzH1^G8B0|158W?ry3#MYPR0jjQ91*`F04b%03Tc!z#Mq$G
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kF`&hC8I&uR`F*O3y8ZCJhs@H+dOFBwDp<w}NdYK-02}H|1ONa4

diff --git a/examples/n-body/build/optimized.wat b/examples/n-body/build/optimized.wat
index a1504ac1..e0b5e082 100644
--- a/examples/n-body/build/optimized.wat
+++ b/examples/n-body/build/optimized.wat
@@ -1,33 +1,37 @@
 (module
  (type $FUNCSIG$v (func))
+ (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
+ (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$d (func (result f64)))
  (type $FUNCSIG$di (func (param i32) (result f64)))
- (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$iddddddd (func (param f64 f64 f64 f64 f64 f64 f64) (result i32)))
  (type $FUNCSIG$i (func (result i32)))
  (import "env" "memory" (memory $0 0))
  (global $assembly/index/system (mut i32) (i32.const 0))
- (global $~lib/allocator/arena/startOffset (mut i32) (i32.const 0))
- (global $~lib/allocator/arena/offset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (export "memory" (memory $0))
  (export "init" (func $assembly/index/init))
  (export "step" (func $assembly/index/step))
  (export "bench" (func $assembly/index/bench))
  (export "getBody" (func $assembly/index/getBody))
  (start $start)
- (func $~lib/allocator/arena/__mem_allocate (; 0 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  (local $1 i32)
+ (func $~lib/rt/stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
   local.get $0
-  i32.const 1073741824
+  i32.const 1073741808
   i32.gt_u
   if
    unreachable
   end
-  global.get $~lib/allocator/arena/offset
-  local.tee $1
+  global.get $~lib/rt/stub/offset
+  i32.const 16
+  i32.add
+  local.tee $3
   local.get $0
   i32.const 1
   local.get $0
@@ -35,20 +39,20 @@
   i32.gt_u
   select
   i32.add
-  i32.const 7
+  i32.const 15
   i32.add
-  i32.const -8
+  i32.const -16
   i32.and
-  local.tee $0
-  current_memory
   local.tee $2
+  memory.size
+  local.tee $4
   i32.const 16
   i32.shl
   i32.gt_u
   if
+   local.get $4
    local.get $2
-   local.get $0
-   local.get $1
+   local.get $3
    i32.sub
    i32.const 65535
    i32.add
@@ -56,17 +60,17 @@
    i32.and
    i32.const 16
    i32.shr_u
-   local.tee $3
-   local.get $2
-   local.get $3
+   local.tee $5
+   local.get $4
+   local.get $5
    i32.gt_s
    select
-   grow_memory
+   memory.grow
    i32.const 0
    i32.lt_s
    if
-    local.get $3
-    grow_memory
+    local.get $5
+    memory.grow
     i32.const 0
     i32.lt_s
     if
@@ -74,32 +78,20 @@
     end
    end
   end
-  local.get $0
-  global.set $~lib/allocator/arena/offset
-  local.get $1
- )
- (func $~lib/util/runtime/allocate (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  (local $1 i32)
-  i32.const 1
-  i32.const 32
-  local.get $0
-  i32.const 15
-  i32.add
-  i32.clz
-  i32.sub
-  i32.shl
-  call $~lib/allocator/arena/__mem_allocate
-  local.tee $1
-  i32.const -1520547049
-  i32.store
-  local.get $1
-  local.get $0
-  i32.store offset=4
-  local.get $1
+  local.get $2
+  global.set $~lib/rt/stub/offset
+  local.get $3
   i32.const 16
-  i32.add
+  i32.sub
+  local.tee $2
+  local.get $1
+  i32.store offset=8
+  local.get $2
+  local.get $0
+  i32.store offset=12
+  local.get $3
  )
- (func $assembly/index/NBodySystem#constructor (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $assembly/index/NBodySystem#constructor (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 f64)
@@ -175,27 +167,19 @@
   f64.div
   f64.store offset=40
   i32.const 4
-  call $~lib/util/runtime/allocate
+  i32.const 3
+  call $~lib/rt/stub/__alloc
   local.tee $1
-  i32.const 16
-  i32.sub
-  i32.const 17
-  i32.store
-  local.get $1
   local.get $0
   i32.store
   local.get $1
  )
- (func $assembly/index/Body#constructor (; 3 ;) (type $FUNCSIG$iddddddd) (param $0 f64) (param $1 f64) (param $2 f64) (param $3 f64) (param $4 f64) (param $5 f64) (param $6 f64) (result i32)
+ (func $assembly/index/Body#constructor (; 2 ;) (type $FUNCSIG$iddddddd) (param $0 f64) (param $1 f64) (param $2 f64) (param $3 f64) (param $4 f64) (param $5 f64) (param $6 f64) (result i32)
   (local $7 i32)
   i32.const 56
-  call $~lib/util/runtime/allocate
+  i32.const 4
+  call $~lib/rt/stub/__alloc
   local.tee $7
-  i32.const 16
-  i32.sub
-  i32.const 18
-  i32.store
-  local.get $7
   local.get $0
   f64.store
   local.get $7
@@ -218,25 +202,17 @@
   f64.store offset=48
   local.get $7
  )
- (func $~lib/util/runtime/makeArray (; 4 ;) (type $FUNCSIG$i) (result i32)
+ (func $~lib/rt/__allocArray (; 3 ;) (type $FUNCSIG$i) (result i32)
   (local $0 i32)
   (local $1 i32)
   i32.const 16
-  call $~lib/util/runtime/allocate
+  i32.const 5
+  call $~lib/rt/stub/__alloc
   local.tee $0
-  i32.const 16
-  i32.sub
-  i32.const 19
-  i32.store
   i32.const 20
-  call $~lib/util/runtime/allocate
+  i32.const 0
+  call $~lib/rt/stub/__alloc
   local.tee $1
-  i32.const 16
-  i32.sub
-  i32.const 15
-  i32.store
-  local.get $0
-  local.get $1
   i32.store
   local.get $0
   local.get $1
@@ -249,10 +225,10 @@
   i32.store offset=12
   local.get $0
  )
- (func $assembly/index/init (; 5 ;) (type $FUNCSIG$v)
+ (func $assembly/index/init (; 4 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
-  call $~lib/util/runtime/makeArray
+  call $~lib/rt/__allocArray
   local.tee $1
   i32.load offset=4
   local.tee $0
@@ -309,7 +285,7 @@
   call $assembly/index/NBodySystem#constructor
   global.set $assembly/index/system
  )
- (func $assembly/index/NBodySystem#advance (; 6 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $assembly/index/NBodySystem#advance (; 5 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   (local $2 f64)
   (local $3 i32)
@@ -509,7 +485,7 @@
    end
   end
  )
- (func $assembly/index/NBodySystem#energy (; 7 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
+ (func $assembly/index/NBodySystem#energy (; 6 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
   (local $1 f64)
   (local $2 i32)
   (local $3 i32)
@@ -637,13 +613,13 @@
   end
   local.get $1
  )
- (func $assembly/index/step (; 8 ;) (type $FUNCSIG$d) (result f64)
+ (func $assembly/index/step (; 7 ;) (type $FUNCSIG$d) (result f64)
   global.get $assembly/index/system
   call $assembly/index/NBodySystem#advance
   global.get $assembly/index/system
   call $assembly/index/NBodySystem#energy
  )
- (func $assembly/index/bench (; 9 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $assembly/index/bench (; 8 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   block $break|0
    loop $repeat|0
@@ -663,7 +639,7 @@
    unreachable
   end
  )
- (func $assembly/index/getBody (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $assembly/index/getBody (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
   global.get $assembly/index/system
@@ -683,13 +659,13 @@
    i32.const 0
   end
  )
- (func $start (; 11 ;) (type $FUNCSIG$v)
-  i32.const 8
-  global.set $~lib/allocator/arena/startOffset
-  global.get $~lib/allocator/arena/startOffset
-  global.set $~lib/allocator/arena/offset
+ (func $start (; 10 ;) (type $FUNCSIG$v)
+  i32.const 16
+  global.set $~lib/rt/stub/startOffset
+  global.get $~lib/rt/stub/startOffset
+  global.set $~lib/rt/stub/offset
  )
- (func $null (; 12 ;) (type $FUNCSIG$v)
+ (func $null (; 11 ;) (type $FUNCSIG$v)
   nop
  )
 )
diff --git a/examples/n-body/build/untouched.wat b/examples/n-body/build/untouched.wat
index 629228a8..d30d78e6 100644
--- a/examples/n-body/build/untouched.wat
+++ b/examples/n-body/build/untouched.wat
@@ -2,8 +2,8 @@
  (type $FUNCSIG$v (func))
  (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
+ (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$iiddd (func (param i32 f64 f64 f64) (result i32)))
- (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
  (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$iiddddddd (func (param i32 f64 f64 f64 f64 f64 f64 f64) (result i32)))
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
@@ -11,28 +11,26 @@
  (type $FUNCSIG$d (func (result f64)))
  (type $FUNCSIG$vid (func (param i32 f64)))
  (type $FUNCSIG$di (func (param i32) (result f64)))
- (type $FUNCSIG$vi (func (param i32)))
- (import "env" "memory" (memory $0 1))
- (data (i32.const 8) "\10\00\00\00(\00\00\00\00\00\00\00\00\00\00\00~\00l\00i\00b\00/\00u\00t\00i\00l\00/\00r\00u\00n\00t\00i\00m\00e\00.\00t\00s\00")
- (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
+ (import "env" "memory" (memory $0 0))
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/math/NativeMath.PI f64 (f64.const 3.141592653589793))
  (global $assembly/index/SOLAR_MASS f64 (f64.const 39.47841760435743))
  (global $assembly/index/DAYS_PER_YEAR f64 (f64.const 365.24))
  (global $assembly/index/system (mut i32) (i32.const 0))
- (global $~lib/util/runtime/HEADER_SIZE i32 (i32.const 16))
- (global $~lib/allocator/arena/startOffset (mut i32) (i32.const 0))
- (global $~lib/allocator/arena/offset (mut i32) (i32.const 0))
- (global $~lib/util/runtime/HEADER_MAGIC i32 (i32.const -1520547049))
- (global $~lib/ASC_NO_ASSERT i32 (i32.const 0))
- (global $~lib/memory/HEAP_BASE i32 (i32.const 64))
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
+ (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (export "init" (func $assembly/index/init))
  (export "step" (func $assembly/index/step))
  (export "bench" (func $assembly/index/bench))
  (export "getBody" (func $assembly/index/getBody))
  (start $start)
+ (func $~lib/rt/stub/__retain (; 0 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+ )
  (func $~lib/array/Array<assembly/index/Body>#get:length (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
@@ -45,8 +43,12 @@
   i32.shl
   i32.add
   i32.load
+  call $~lib/rt/stub/__retain
  )
- (func $assembly/index/Body#offsetMomentum (; 3 ;) (type $FUNCSIG$iiddd) (param $0 i32) (param $1 f64) (param $2 f64) (param $3 f64) (result i32)
+ (func $~lib/rt/stub/__release (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
+  nop
+ )
+ (func $assembly/index/Body#offsetMomentum (; 4 ;) (type $FUNCSIG$iiddd) (param $0 i32) (param $1 f64) (param $2 f64) (param $3 f64) (result i32)
   local.get $0
   local.get $1
   f64.neg
@@ -66,61 +68,53 @@
   f64.div
   f64.store offset=40
   local.get $0
+  call $~lib/rt/stub/__retain
  )
- (func $~lib/util/runtime/adjust (; 4 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  i32.const 1
-  i32.const 32
-  local.get $0
-  global.get $~lib/util/runtime/HEADER_SIZE
-  i32.add
-  i32.const 1
-  i32.sub
-  i32.clz
-  i32.sub
-  i32.shl
- )
- (func $~lib/allocator/arena/__mem_allocate (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  (local $1 i32)
+ (func $~lib/rt/stub/__alloc (; 5 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
   local.get $0
-  i32.const 1073741824
+  i32.const 1073741808
   i32.gt_u
   if
    unreachable
   end
-  global.get $~lib/allocator/arena/offset
-  local.set $1
-  local.get $1
-  local.get $0
-  local.tee $2
-  i32.const 1
-  local.tee $3
+  global.get $~lib/rt/stub/offset
+  i32.const 16
+  i32.add
+  local.set $2
   local.get $2
+  local.get $0
+  local.tee $3
+  i32.const 1
+  local.tee $4
   local.get $3
+  local.get $4
   i32.gt_u
   select
   i32.add
-  i32.const 7
+  i32.const 15
   i32.add
-  i32.const 7
+  i32.const 15
   i32.const -1
   i32.xor
   i32.and
-  local.set $4
-  current_memory
   local.set $5
-  local.get $4
+  memory.size
+  local.set $6
   local.get $5
+  local.get $6
   i32.const 16
   i32.shl
   i32.gt_u
   if
-   local.get $4
-   local.get $1
+   local.get $5
+   local.get $2
    i32.sub
    i32.const 65535
    i32.add
@@ -130,23 +124,23 @@
    i32.and
    i32.const 16
    i32.shr_u
-   local.set $2
-   local.get $5
-   local.tee $3
-   local.get $2
-   local.tee $6
-   local.get $3
+   local.set $3
    local.get $6
+   local.tee $4
+   local.get $3
+   local.tee $7
+   local.get $4
+   local.get $7
    i32.gt_s
    select
-   local.set $3
-   local.get $3
-   grow_memory
+   local.set $4
+   local.get $4
+   memory.grow
    i32.const 0
    i32.lt_s
    if
-    local.get $2
-    grow_memory
+    local.get $3
+    memory.grow
     i32.const 0
     i32.lt_s
     if
@@ -154,75 +148,32 @@
     end
    end
   end
-  local.get $4
-  global.set $~lib/allocator/arena/offset
-  local.get $1
- )
- (func $~lib/memory/memory.allocate (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  local.get $0
-  call $~lib/allocator/arena/__mem_allocate
-  return
- )
- (func $~lib/util/runtime/allocate (; 7 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  (local $1 i32)
-  local.get $0
-  call $~lib/util/runtime/adjust
-  call $~lib/memory/memory.allocate
-  local.set $1
-  local.get $1
-  global.get $~lib/util/runtime/HEADER_MAGIC
-  i32.store
-  local.get $1
-  local.get $0
-  i32.store offset=4
-  local.get $1
-  global.get $~lib/util/runtime/HEADER_SIZE
-  i32.add
- )
- (func $~lib/util/runtime/register (; 8 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  local.get $0
-  global.get $~lib/memory/HEAP_BASE
-  i32.gt_u
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 24
-   i32.const 129
-   i32.const 4
-   call $~lib/builtins/abort
-   unreachable
-  end
-  local.get $0
-  global.get $~lib/util/runtime/HEADER_SIZE
+  local.get $5
+  global.set $~lib/rt/stub/offset
+  local.get $2
+  i32.const 16
   i32.sub
-  local.set $2
-  local.get $2
-  i32.load
-  global.get $~lib/util/runtime/HEADER_MAGIC
-  i32.eq
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 24
-   i32.const 131
-   i32.const 4
-   call $~lib/builtins/abort
-   unreachable
-  end
-  local.get $2
+  local.set $8
+  local.get $8
   local.get $1
-  i32.store
+  i32.store offset=8
+  local.get $8
   local.get $0
+  i32.store offset=12
+  local.get $2
  )
- (func $assembly/index/NBodySystem#constructor (; 9 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $assembly/index/NBodySystem#constructor (; 6 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 f64)
   (local $3 f64)
   (local $4 f64)
   (local $5 i32)
   (local $6 i32)
   (local $7 i32)
-  (local $8 f64)
+  (local $8 i32)
+  (local $9 f64)
+  local.get $1
+  call $~lib/rt/stub/__retain
+  drop
   f64.const 0
   local.set $2
   f64.const 0
@@ -241,36 +192,40 @@
     i32.lt_s
     i32.eqz
     br_if $break|0
-    block
-     local.get $1
-     local.get $6
-     call $~lib/array/Array<assembly/index/Body>#__unchecked_get
-     local.set $7
-     local.get $7
-     f64.load offset=48
-     local.set $8
-     local.get $2
-     local.get $7
-     f64.load offset=24
-     local.get $8
-     f64.mul
-     f64.add
-     local.set $2
-     local.get $3
-     local.get $7
-     f64.load offset=32
-     local.get $8
-     f64.mul
-     f64.add
-     local.set $3
-     local.get $4
-     local.get $7
-     f64.load offset=40
-     local.get $8
-     f64.mul
-     f64.add
-     local.set $4
-    end
+    local.get $1
+    local.get $6
+    call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+    local.tee $7
+    call $~lib/rt/stub/__retain
+    local.set $8
+    local.get $8
+    f64.load offset=48
+    local.set $9
+    local.get $2
+    local.get $8
+    f64.load offset=24
+    local.get $9
+    f64.mul
+    f64.add
+    local.set $2
+    local.get $3
+    local.get $8
+    f64.load offset=32
+    local.get $9
+    f64.mul
+    f64.add
+    local.set $3
+    local.get $4
+    local.get $8
+    f64.load offset=40
+    local.get $9
+    f64.mul
+    f64.add
+    local.set $4
+    local.get $7
+    call $~lib/rt/stub/__release
+    local.get $8
+    call $~lib/rt/stub/__release
     local.get $6
     i32.const 1
     i32.add
@@ -283,18 +238,19 @@
   local.get $1
   i32.const 0
   call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+  local.tee $8
   local.get $2
   local.get $3
   local.get $4
   call $assembly/index/Body#offsetMomentum
-  drop
+  call $~lib/rt/stub/__release
   local.get $0
   i32.eqz
   if
    i32.const 4
-   call $~lib/util/runtime/allocate
-   i32.const 17
-   call $~lib/util/runtime/register
+   i32.const 3
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
    local.set $0
   end
   local.get $0
@@ -302,14 +258,14 @@
   i32.store
   local.get $0
  )
- (func $assembly/index/Body#constructor (; 10 ;) (type $FUNCSIG$iiddddddd) (param $0 i32) (param $1 f64) (param $2 f64) (param $3 f64) (param $4 f64) (param $5 f64) (param $6 f64) (param $7 f64) (result i32)
+ (func $assembly/index/Body#constructor (; 7 ;) (type $FUNCSIG$iiddddddd) (param $0 i32) (param $1 f64) (param $2 f64) (param $3 f64) (param $4 f64) (param $5 f64) (param $6 f64) (param $7 f64) (result i32)
   local.get $0
   i32.eqz
   if
    i32.const 56
-   call $~lib/util/runtime/allocate
-   i32.const 18
-   call $~lib/util/runtime/register
+   i32.const 4
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
    local.set $0
   end
   local.get $0
@@ -335,7 +291,7 @@
   f64.store offset=48
   local.get $0
  )
- (func $assembly/index/Sun (; 11 ;) (type $FUNCSIG$i) (result i32)
+ (func $assembly/index/Sun (; 8 ;) (type $FUNCSIG$i) (result i32)
   i32.const 0
   f64.const 0
   f64.const 0
@@ -346,92 +302,1383 @@
   global.get $assembly/index/SOLAR_MASS
   call $assembly/index/Body#constructor
  )
- (func $~lib/memory/memory.copy (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $assembly/index/Jupiter (; 9 ;) (type $FUNCSIG$i) (result i32)
+  i32.const 0
+  f64.const 4.841431442464721
+  f64.const -1.1603200440274284
+  f64.const -0.10362204447112311
+  f64.const 0.001660076642744037
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 0.007699011184197404
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const -6.90460016972063e-05
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 9.547919384243266e-04
+  global.get $assembly/index/SOLAR_MASS
+  f64.mul
+  call $assembly/index/Body#constructor
+ )
+ (func $assembly/index/Saturn (; 10 ;) (type $FUNCSIG$i) (result i32)
+  i32.const 0
+  f64.const 8.34336671824458
+  f64.const 4.124798564124305
+  f64.const -0.4035234171143214
+  f64.const -0.002767425107268624
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 0.004998528012349172
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 2.3041729757376393e-05
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 2.858859806661308e-04
+  global.get $assembly/index/SOLAR_MASS
+  f64.mul
+  call $assembly/index/Body#constructor
+ )
+ (func $assembly/index/Uranus (; 11 ;) (type $FUNCSIG$i) (result i32)
+  i32.const 0
+  f64.const 12.894369562139131
+  f64.const -15.111151401698631
+  f64.const -0.22330757889265573
+  f64.const 0.002964601375647616
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 2.3784717395948095e-03
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const -2.9658956854023756e-05
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 4.366244043351563e-05
+  global.get $assembly/index/SOLAR_MASS
+  f64.mul
+  call $assembly/index/Body#constructor
+ )
+ (func $assembly/index/Neptune (; 12 ;) (type $FUNCSIG$i) (result i32)
+  i32.const 0
+  f64.const 15.379697114850917
+  f64.const -25.919314609987964
+  f64.const 0.17925877295037118
+  f64.const 2.6806777249038932e-03
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 0.001628241700382423
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const -9.515922545197159e-05
+  global.get $assembly/index/DAYS_PER_YEAR
+  f64.mul
+  f64.const 5.1513890204661145e-05
+  global.get $assembly/index/SOLAR_MASS
+  f64.mul
+  call $assembly/index/Body#constructor
+ )
+ (func $~lib/util/memory/memcpy (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
+  block $break|0
+   loop $continue|0
+    local.get $2
+    if (result i32)
+     local.get $1
+     i32.const 3
+     i32.and
+    else     
+     i32.const 0
+    end
+    if
+     block (result i32)
+      local.get $0
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $5
+     end
+     block (result i32)
+      local.get $1
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $5
+     end
+     i32.load8_u
+     i32.store8
+     local.get $2
+     i32.const 1
+     i32.sub
+     local.set $2
+     br $continue|0
+    end
+   end
+  end
+  local.get $0
+  i32.const 3
+  i32.and
+  i32.const 0
+  i32.eq
+  if
+   block $break|1
+    loop $continue|1
+     local.get $2
+     i32.const 16
+     i32.ge_u
+     if
+      local.get $0
+      local.get $1
+      i32.load
+      i32.store
+      local.get $0
+      i32.const 4
+      i32.add
+      local.get $1
+      i32.const 4
+      i32.add
+      i32.load
+      i32.store
+      local.get $0
+      i32.const 8
+      i32.add
+      local.get $1
+      i32.const 8
+      i32.add
+      i32.load
+      i32.store
+      local.get $0
+      i32.const 12
+      i32.add
+      local.get $1
+      i32.const 12
+      i32.add
+      i32.load
+      i32.store
+      local.get $1
+      i32.const 16
+      i32.add
+      local.set $1
+      local.get $0
+      i32.const 16
+      i32.add
+      local.set $0
+      local.get $2
+      i32.const 16
+      i32.sub
+      local.set $2
+      br $continue|1
+     end
+    end
+   end
+   local.get $2
+   i32.const 8
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 4
+    i32.add
+    local.get $1
+    i32.const 4
+    i32.add
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 8
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 8
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 4
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 4
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 4
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 2
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load16_u
+    i32.store16
+    local.get $0
+    i32.const 2
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 2
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 1
+   i32.and
+   if
+    block (result i32)
+     local.get $0
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $0
+     local.get $5
+    end
+    block (result i32)
+     local.get $1
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $1
+     local.get $5
+    end
+    i32.load8_u
+    i32.store8
+   end
+   return
+  end
+  local.get $2
+  i32.const 32
+  i32.ge_u
+  if
+   block $break|2
+    block $case2|2
+     block $case1|2
+      block $case0|2
+       local.get $0
+       i32.const 3
+       i32.and
+       local.set $5
+       local.get $5
+       i32.const 1
+       i32.eq
+       br_if $case0|2
+       local.get $5
+       i32.const 2
+       i32.eq
+       br_if $case1|2
+       local.get $5
+       i32.const 3
+       i32.eq
+       br_if $case2|2
+       br $break|2
+      end
+      block
+       local.get $1
+       i32.load
+       local.set $3
+       block (result i32)
+        local.get $0
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $0
+        local.get $5
+       end
+       block (result i32)
+        local.get $1
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $1
+        local.get $5
+       end
+       i32.load8_u
+       i32.store8
+       block (result i32)
+        local.get $0
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $0
+        local.get $5
+       end
+       block (result i32)
+        local.get $1
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $1
+        local.get $5
+       end
+       i32.load8_u
+       i32.store8
+       block (result i32)
+        local.get $0
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $0
+        local.get $5
+       end
+       block (result i32)
+        local.get $1
+        local.tee $5
+        i32.const 1
+        i32.add
+        local.set $1
+        local.get $5
+       end
+       i32.load8_u
+       i32.store8
+       local.get $2
+       i32.const 3
+       i32.sub
+       local.set $2
+       block $break|3
+        loop $continue|3
+         local.get $2
+         i32.const 17
+         i32.ge_u
+         if
+          local.get $1
+          i32.const 1
+          i32.add
+          i32.load
+          local.set $4
+          local.get $0
+          local.get $3
+          i32.const 24
+          i32.shr_u
+          local.get $4
+          i32.const 8
+          i32.shl
+          i32.or
+          i32.store
+          local.get $1
+          i32.const 5
+          i32.add
+          i32.load
+          local.set $3
+          local.get $0
+          i32.const 4
+          i32.add
+          local.get $4
+          i32.const 24
+          i32.shr_u
+          local.get $3
+          i32.const 8
+          i32.shl
+          i32.or
+          i32.store
+          local.get $1
+          i32.const 9
+          i32.add
+          i32.load
+          local.set $4
+          local.get $0
+          i32.const 8
+          i32.add
+          local.get $3
+          i32.const 24
+          i32.shr_u
+          local.get $4
+          i32.const 8
+          i32.shl
+          i32.or
+          i32.store
+          local.get $1
+          i32.const 13
+          i32.add
+          i32.load
+          local.set $3
+          local.get $0
+          i32.const 12
+          i32.add
+          local.get $4
+          i32.const 24
+          i32.shr_u
+          local.get $3
+          i32.const 8
+          i32.shl
+          i32.or
+          i32.store
+          local.get $1
+          i32.const 16
+          i32.add
+          local.set $1
+          local.get $0
+          i32.const 16
+          i32.add
+          local.set $0
+          local.get $2
+          i32.const 16
+          i32.sub
+          local.set $2
+          br $continue|3
+         end
+        end
+       end
+       br $break|2
+       unreachable
+      end
+      unreachable
+     end
+     block
+      local.get $1
+      i32.load
+      local.set $3
+      block (result i32)
+       local.get $0
+       local.tee $5
+       i32.const 1
+       i32.add
+       local.set $0
+       local.get $5
+      end
+      block (result i32)
+       local.get $1
+       local.tee $5
+       i32.const 1
+       i32.add
+       local.set $1
+       local.get $5
+      end
+      i32.load8_u
+      i32.store8
+      block (result i32)
+       local.get $0
+       local.tee $5
+       i32.const 1
+       i32.add
+       local.set $0
+       local.get $5
+      end
+      block (result i32)
+       local.get $1
+       local.tee $5
+       i32.const 1
+       i32.add
+       local.set $1
+       local.get $5
+      end
+      i32.load8_u
+      i32.store8
+      local.get $2
+      i32.const 2
+      i32.sub
+      local.set $2
+      block $break|4
+       loop $continue|4
+        local.get $2
+        i32.const 18
+        i32.ge_u
+        if
+         local.get $1
+         i32.const 2
+         i32.add
+         i32.load
+         local.set $4
+         local.get $0
+         local.get $3
+         i32.const 16
+         i32.shr_u
+         local.get $4
+         i32.const 16
+         i32.shl
+         i32.or
+         i32.store
+         local.get $1
+         i32.const 6
+         i32.add
+         i32.load
+         local.set $3
+         local.get $0
+         i32.const 4
+         i32.add
+         local.get $4
+         i32.const 16
+         i32.shr_u
+         local.get $3
+         i32.const 16
+         i32.shl
+         i32.or
+         i32.store
+         local.get $1
+         i32.const 10
+         i32.add
+         i32.load
+         local.set $4
+         local.get $0
+         i32.const 8
+         i32.add
+         local.get $3
+         i32.const 16
+         i32.shr_u
+         local.get $4
+         i32.const 16
+         i32.shl
+         i32.or
+         i32.store
+         local.get $1
+         i32.const 14
+         i32.add
+         i32.load
+         local.set $3
+         local.get $0
+         i32.const 12
+         i32.add
+         local.get $4
+         i32.const 16
+         i32.shr_u
+         local.get $3
+         i32.const 16
+         i32.shl
+         i32.or
+         i32.store
+         local.get $1
+         i32.const 16
+         i32.add
+         local.set $1
+         local.get $0
+         i32.const 16
+         i32.add
+         local.set $0
+         local.get $2
+         i32.const 16
+         i32.sub
+         local.set $2
+         br $continue|4
+        end
+       end
+      end
+      br $break|2
+      unreachable
+     end
+     unreachable
+    end
+    block
+     local.get $1
+     i32.load
+     local.set $3
+     block (result i32)
+      local.get $0
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $5
+     end
+     block (result i32)
+      local.get $1
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $5
+     end
+     i32.load8_u
+     i32.store8
+     local.get $2
+     i32.const 1
+     i32.sub
+     local.set $2
+     block $break|5
+      loop $continue|5
+       local.get $2
+       i32.const 19
+       i32.ge_u
+       if
+        local.get $1
+        i32.const 3
+        i32.add
+        i32.load
+        local.set $4
+        local.get $0
+        local.get $3
+        i32.const 8
+        i32.shr_u
+        local.get $4
+        i32.const 24
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 7
+        i32.add
+        i32.load
+        local.set $3
+        local.get $0
+        i32.const 4
+        i32.add
+        local.get $4
+        i32.const 8
+        i32.shr_u
+        local.get $3
+        i32.const 24
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 11
+        i32.add
+        i32.load
+        local.set $4
+        local.get $0
+        i32.const 8
+        i32.add
+        local.get $3
+        i32.const 8
+        i32.shr_u
+        local.get $4
+        i32.const 24
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 15
+        i32.add
+        i32.load
+        local.set $3
+        local.get $0
+        i32.const 12
+        i32.add
+        local.get $4
+        i32.const 8
+        i32.shr_u
+        local.get $3
+        i32.const 24
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 16
+        i32.add
+        local.set $1
+        local.get $0
+        i32.const 16
+        i32.add
+        local.set $0
+        local.get $2
+        i32.const 16
+        i32.sub
+        local.set $2
+        br $continue|5
+       end
+      end
+     end
+     br $break|2
+     unreachable
+    end
+    unreachable
+   end
+  end
+  local.get $2
+  i32.const 16
+  i32.and
+  if
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 8
+  i32.and
+  if
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 4
+  i32.and
+  if
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 2
+  i32.and
+  if
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 1
+  i32.and
+  if
+   block (result i32)
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+   end
+   block (result i32)
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+   end
+   i32.load8_u
+   i32.store8
+  end
+ )
+ (func $~lib/memory/memory.copy (; 14 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
   block $~lib/util/memory/memmove|inlined.0
    local.get $0
+   local.set $5
    local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $5
+   local.get $4
    i32.eq
    if
     br $~lib/util/memory/memmove|inlined.0
    end
-   local.get $0
-   local.get $1
+   local.get $4
+   local.get $3
+   i32.add
+   local.get $5
+   i32.le_u
+   if (result i32)
+    i32.const 1
+   else    
+    local.get $5
+    local.get $3
+    i32.add
+    local.get $4
+    i32.le_u
+   end
+   if
+    local.get $5
+    local.get $4
+    local.get $3
+    call $~lib/util/memory/memcpy
+    br $~lib/util/memory/memmove|inlined.0
+   end
+   local.get $5
+   local.get $4
    i32.lt_u
    if
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|0
       loop $continue|0
-       local.get $0
+       local.get $5
        i32.const 7
        i32.and
        if
-        block
-         local.get $2
-         i32.eqz
-         if
-          br $~lib/util/memory/memmove|inlined.0
-         end
-         local.get $2
-         i32.const 1
-         i32.sub
-         local.set $2
-         block (result i32)
-          local.get $0
-          local.tee $5
-          i32.const 1
-          i32.add
-          local.set $0
-          local.get $5
-         end
-         block (result i32)
-          local.get $1
-          local.tee $5
-          i32.const 1
-          i32.add
-          local.set $1
-          local.get $5
-         end
-         i32.load8_u
-         i32.store8
+        local.get $3
+        i32.eqz
+        if
+         br $~lib/util/memory/memmove|inlined.0
         end
+        local.get $3
+        i32.const 1
+        i32.sub
+        local.set $3
+        block (result i32)
+         local.get $5
+         local.tee $6
+         i32.const 1
+         i32.add
+         local.set $5
+         local.get $6
+        end
+        block (result i32)
+         local.get $4
+         local.tee $6
+         i32.const 1
+         i32.add
+         local.set $4
+         local.get $6
+        end
+        i32.load8_u
+        i32.store8
         br $continue|0
        end
       end
      end
      block $break|1
       loop $continue|1
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        block
-         local.get $0
-         local.get $1
-         i64.load
-         i64.store
-         local.get $2
-         i32.const 8
-         i32.sub
-         local.set $2
-         local.get $0
-         i32.const 8
-         i32.add
-         local.set $0
-         local.get $1
-         i32.const 8
-         i32.add
-         local.set $1
-        end
+        local.get $5
+        local.get $4
+        i64.load
+        i64.store
+        local.get $3
+        i32.const 8
+        i32.sub
+        local.set $3
+        local.get $5
+        i32.const 8
+        i32.add
+        local.set $5
+        local.get $4
+        i32.const 8
+        i32.add
+        local.set $4
         br $continue|1
        end
       end
@@ -439,95 +1686,89 @@
     end
     block $break|2
      loop $continue|2
-      local.get $2
+      local.get $3
       if
-       block
-        block (result i32)
-         local.get $0
-         local.tee $5
-         i32.const 1
-         i32.add
-         local.set $0
-         local.get $5
-        end
-        block (result i32)
-         local.get $1
-         local.tee $5
-         i32.const 1
-         i32.add
-         local.set $1
-         local.get $5
-        end
-        i32.load8_u
-        i32.store8
-        local.get $2
+       block (result i32)
+        local.get $5
+        local.tee $6
         i32.const 1
-        i32.sub
-        local.set $2
+        i32.add
+        local.set $5
+        local.get $6
        end
+       block (result i32)
+        local.get $4
+        local.tee $6
+        i32.const 1
+        i32.add
+        local.set $4
+        local.get $6
+       end
+       i32.load8_u
+       i32.store8
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.set $3
        br $continue|2
       end
      end
     end
    else    
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|3
       loop $continue|3
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.add
        i32.const 7
        i32.and
        if
-        block
-         local.get $2
-         i32.eqz
-         if
-          br $~lib/util/memory/memmove|inlined.0
-         end
-         local.get $0
-         local.get $2
-         i32.const 1
-         i32.sub
-         local.tee $2
-         i32.add
-         local.get $1
-         local.get $2
-         i32.add
-         i32.load8_u
-         i32.store8
+        local.get $3
+        i32.eqz
+        if
+         br $~lib/util/memory/memmove|inlined.0
         end
+        local.get $5
+        local.get $3
+        i32.const 1
+        i32.sub
+        local.tee $3
+        i32.add
+        local.get $4
+        local.get $3
+        i32.add
+        i32.load8_u
+        i32.store8
         br $continue|3
        end
       end
      end
      block $break|4
       loop $continue|4
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        block
-         local.get $2
-         i32.const 8
-         i32.sub
-         local.set $2
-         local.get $0
-         local.get $2
-         i32.add
-         local.get $1
-         local.get $2
-         i32.add
-         i64.load
-         i64.store
-        end
+        local.get $3
+        i32.const 8
+        i32.sub
+        local.set $3
+        local.get $5
+        local.get $3
+        i32.add
+        local.get $4
+        local.get $3
+        i32.add
+        i64.load
+        i64.store
         br $continue|4
        end
       end
@@ -535,16 +1776,16 @@
     end
     block $break|5
      loop $continue|5
-      local.get $2
+      local.get $3
       if
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.const 1
        i32.sub
-       local.tee $2
+       local.tee $3
        i32.add
-       local.get $1
-       local.get $2
+       local.get $4
+       local.get $3
        i32.add
        i32.load8_u
        i32.store8
@@ -555,26 +1796,25 @@
    end
   end
  )
- (func $~lib/util/runtime/makeArray (; 13 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/rt/__allocArray (; 15 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
   i32.const 16
-  call $~lib/util/runtime/allocate
   local.get $2
-  call $~lib/util/runtime/register
+  call $~lib/rt/stub/__alloc
   local.set $4
   local.get $0
   local.get $1
   i32.shl
   local.set $5
   local.get $5
-  call $~lib/util/runtime/allocate
-  i32.const 15
-  call $~lib/util/runtime/register
+  i32.const 0
+  call $~lib/rt/stub/__alloc
   local.set $6
   local.get $4
   local.get $6
+  call $~lib/rt/stub/__retain
   i32.store
   local.get $4
   local.get $6
@@ -594,140 +1834,98 @@
   end
   local.get $4
  )
- (func $assembly/index/Jupiter (; 14 ;) (type $FUNCSIG$i) (result i32)
-  i32.const 0
-  f64.const 4.841431442464721
-  f64.const -1.1603200440274284
-  f64.const -0.10362204447112311
-  f64.const 0.001660076642744037
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 0.007699011184197404
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const -6.90460016972063e-05
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 9.547919384243266e-04
-  global.get $assembly/index/SOLAR_MASS
-  f64.mul
-  call $assembly/index/Body#constructor
- )
- (func $assembly/index/Saturn (; 15 ;) (type $FUNCSIG$i) (result i32)
-  i32.const 0
-  f64.const 8.34336671824458
-  f64.const 4.124798564124305
-  f64.const -0.4035234171143214
-  f64.const -0.002767425107268624
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 0.004998528012349172
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 2.3041729757376393e-05
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 2.858859806661308e-04
-  global.get $assembly/index/SOLAR_MASS
-  f64.mul
-  call $assembly/index/Body#constructor
- )
- (func $assembly/index/Uranus (; 16 ;) (type $FUNCSIG$i) (result i32)
-  i32.const 0
-  f64.const 12.894369562139131
-  f64.const -15.111151401698631
-  f64.const -0.22330757889265573
-  f64.const 0.002964601375647616
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 2.3784717395948095e-03
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const -2.9658956854023756e-05
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 4.366244043351563e-05
-  global.get $assembly/index/SOLAR_MASS
-  f64.mul
-  call $assembly/index/Body#constructor
- )
- (func $assembly/index/Neptune (; 17 ;) (type $FUNCSIG$i) (result i32)
-  i32.const 0
-  f64.const 15.379697114850917
-  f64.const -25.919314609987964
-  f64.const 0.17925877295037118
-  f64.const 2.6806777249038932e-03
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 0.001628241700382423
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const -9.515922545197159e-05
-  global.get $assembly/index/DAYS_PER_YEAR
-  f64.mul
-  f64.const 5.1513890204661145e-05
-  global.get $assembly/index/SOLAR_MASS
-  f64.mul
-  call $assembly/index/Body#constructor
- )
- (func $assembly/index/init (; 18 ;) (type $FUNCSIG$v)
+ (func $assembly/index/init (; 16 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
-  i32.const 0
-  block (result i32)
-   i32.const 5
-   i32.const 2
-   i32.const 19
-   i32.const 0
-   call $~lib/util/runtime/makeArray
-   local.set $0
-   local.get $0
-   i32.load offset=4
-   local.set $1
-   local.get $1
-   call $assembly/index/Sun
-   i32.store
-   local.get $1
-   call $assembly/index/Jupiter
-   i32.store offset=4
-   local.get $1
-   call $assembly/index/Saturn
-   i32.store offset=8
-   local.get $1
-   call $assembly/index/Uranus
-   i32.store offset=12
-   local.get $1
-   call $assembly/index/Neptune
-   i32.store offset=16
-   local.get $0
-  end
-  call $assembly/index/NBodySystem#constructor
-  global.set $assembly/index/system
- )
- (func $assembly/index/NBodySystem#advance (; 19 ;) (type $FUNCSIG$vid) (param $0 i32) (param $1 f64)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
-  (local $6 f64)
+  (local $6 i32)
+  block (result i32)
+   i32.const 0
+   block (result i32)
+    i32.const 5
+    i32.const 2
+    i32.const 5
+    i32.const 0
+    call $~lib/rt/__allocArray
+    local.set $0
+    local.get $0
+    i32.load offset=4
+    local.set $1
+    local.get $1
+    call $assembly/index/Sun
+    local.tee $2
+    call $~lib/rt/stub/__retain
+    i32.store
+    local.get $1
+    call $assembly/index/Jupiter
+    local.tee $3
+    call $~lib/rt/stub/__retain
+    i32.store offset=4
+    local.get $1
+    call $assembly/index/Saturn
+    local.tee $4
+    call $~lib/rt/stub/__retain
+    i32.store offset=8
+    local.get $1
+    call $assembly/index/Uranus
+    local.tee $5
+    call $~lib/rt/stub/__retain
+    i32.store offset=12
+    local.get $1
+    call $assembly/index/Neptune
+    local.tee $6
+    call $~lib/rt/stub/__retain
+    i32.store offset=16
+    local.get $0
+   end
+   call $assembly/index/NBodySystem#constructor
+   local.set $0
+   global.get $assembly/index/system
+   call $~lib/rt/stub/__release
+   local.get $0
+  end
+  global.set $assembly/index/system
+  local.get $2
+  call $~lib/rt/stub/__release
+  local.get $3
+  call $~lib/rt/stub/__release
+  local.get $4
+  call $~lib/rt/stub/__release
+  local.get $5
+  call $~lib/rt/stub/__release
+  local.get $6
+  call $~lib/rt/stub/__release
+ )
+ (func $assembly/index/NBodySystem#advance (; 17 ;) (type $FUNCSIG$vid) (param $0 i32) (param $1 f64)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
   (local $7 f64)
   (local $8 f64)
   (local $9 f64)
   (local $10 f64)
   (local $11 f64)
   (local $12 f64)
-  (local $13 i32)
+  (local $13 f64)
   (local $14 i32)
-  (local $15 f64)
-  (local $16 f64)
+  (local $15 i32)
+  (local $16 i32)
   (local $17 f64)
   (local $18 f64)
   (local $19 f64)
   (local $20 f64)
   (local $21 f64)
   (local $22 f64)
+  (local $23 f64)
+  (local $24 f64)
   local.get $0
   i32.load
+  call $~lib/rt/stub/__retain
   local.set $2
   local.get $2
   call $~lib/array/Array<assembly/index/Body>#get:length
@@ -741,183 +1939,191 @@
     i32.lt_u
     i32.eqz
     br_if $break|0
-    block
-     local.get $2
+    local.get $2
+    local.get $4
+    call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+    local.tee $5
+    call $~lib/rt/stub/__retain
+    local.set $6
+    local.get $6
+    f64.load
+    local.set $7
+    local.get $6
+    f64.load offset=8
+    local.set $8
+    local.get $6
+    f64.load offset=16
+    local.set $9
+    local.get $6
+    f64.load offset=24
+    local.set $10
+    local.get $6
+    f64.load offset=32
+    local.set $11
+    local.get $6
+    f64.load offset=40
+    local.set $12
+    local.get $6
+    f64.load offset=48
+    local.set $13
+    block $break|1
      local.get $4
-     call $~lib/array/Array<assembly/index/Body>#__unchecked_get
-     local.set $5
-     local.get $5
-     f64.load
-     local.set $6
-     local.get $5
-     f64.load offset=8
-     local.set $7
-     local.get $5
-     f64.load offset=16
-     local.set $8
-     local.get $5
-     f64.load offset=24
-     local.set $9
-     local.get $5
-     f64.load offset=32
-     local.set $10
-     local.get $5
-     f64.load offset=40
-     local.set $11
-     local.get $5
-     f64.load offset=48
-     local.set $12
-     block $break|1
-      local.get $4
+     i32.const 1
+     i32.add
+     local.set $14
+     loop $repeat|1
+      local.get $14
+      local.get $3
+      i32.lt_u
+      i32.eqz
+      br_if $break|1
+      local.get $2
+      local.get $14
+      call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+      local.tee $15
+      call $~lib/rt/stub/__retain
+      local.set $16
+      local.get $7
+      local.get $16
+      f64.load
+      f64.sub
+      local.set $17
+      local.get $8
+      local.get $16
+      f64.load offset=8
+      f64.sub
+      local.set $18
+      local.get $9
+      local.get $16
+      f64.load offset=16
+      f64.sub
+      local.set $19
+      local.get $17
+      local.get $17
+      f64.mul
+      local.get $18
+      local.get $18
+      f64.mul
+      f64.add
+      local.get $19
+      local.get $19
+      f64.mul
+      f64.add
+      local.set $20
+      block $~lib/math/NativeMath.sqrt|inlined.0 (result f64)
+       local.get $20
+       local.set $21
+       local.get $21
+       f64.sqrt
+      end
+      local.set $21
+      local.get $1
+      local.get $20
+      local.get $21
+      f64.mul
+      f64.div
+      local.set $22
+      local.get $13
+      local.get $22
+      f64.mul
+      local.set $23
+      local.get $16
+      f64.load offset=48
+      local.get $22
+      f64.mul
+      local.set $24
+      local.get $10
+      local.get $17
+      local.get $24
+      f64.mul
+      f64.sub
+      local.set $10
+      local.get $11
+      local.get $18
+      local.get $24
+      f64.mul
+      f64.sub
+      local.set $11
+      local.get $12
+      local.get $19
+      local.get $24
+      f64.mul
+      f64.sub
+      local.set $12
+      local.get $16
+      local.get $16
+      f64.load offset=24
+      local.get $17
+      local.get $23
+      f64.mul
+      f64.add
+      f64.store offset=24
+      local.get $16
+      local.get $16
+      f64.load offset=32
+      local.get $18
+      local.get $23
+      f64.mul
+      f64.add
+      f64.store offset=32
+      local.get $16
+      local.get $16
+      f64.load offset=40
+      local.get $19
+      local.get $23
+      f64.mul
+      f64.add
+      f64.store offset=40
+      local.get $15
+      call $~lib/rt/stub/__release
+      local.get $16
+      call $~lib/rt/stub/__release
+      local.get $14
       i32.const 1
       i32.add
-      local.set $13
-      loop $repeat|1
-       local.get $13
-       local.get $3
-       i32.lt_u
-       i32.eqz
-       br_if $break|1
-       block
-        local.get $2
-        local.get $13
-        call $~lib/array/Array<assembly/index/Body>#__unchecked_get
-        local.set $14
-        local.get $6
-        local.get $14
-        f64.load
-        f64.sub
-        local.set $15
-        local.get $7
-        local.get $14
-        f64.load offset=8
-        f64.sub
-        local.set $16
-        local.get $8
-        local.get $14
-        f64.load offset=16
-        f64.sub
-        local.set $17
-        local.get $15
-        local.get $15
-        f64.mul
-        local.get $16
-        local.get $16
-        f64.mul
-        f64.add
-        local.get $17
-        local.get $17
-        f64.mul
-        f64.add
-        local.set $18
-        block $~lib/math/NativeMath.sqrt|inlined.0 (result f64)
-         local.get $18
-         local.set $19
-         local.get $19
-         f64.sqrt
-        end
-        local.set $19
-        local.get $1
-        local.get $18
-        local.get $19
-        f64.mul
-        f64.div
-        local.set $20
-        local.get $12
-        local.get $20
-        f64.mul
-        local.set $21
-        local.get $14
-        f64.load offset=48
-        local.get $20
-        f64.mul
-        local.set $22
-        local.get $9
-        local.get $15
-        local.get $22
-        f64.mul
-        f64.sub
-        local.set $9
-        local.get $10
-        local.get $16
-        local.get $22
-        f64.mul
-        f64.sub
-        local.set $10
-        local.get $11
-        local.get $17
-        local.get $22
-        f64.mul
-        f64.sub
-        local.set $11
-        local.get $14
-        local.get $14
-        f64.load offset=24
-        local.get $15
-        local.get $21
-        f64.mul
-        f64.add
-        f64.store offset=24
-        local.get $14
-        local.get $14
-        f64.load offset=32
-        local.get $16
-        local.get $21
-        f64.mul
-        f64.add
-        f64.store offset=32
-        local.get $14
-        local.get $14
-        f64.load offset=40
-        local.get $17
-        local.get $21
-        f64.mul
-        f64.add
-        f64.store offset=40
-       end
-       local.get $13
-       i32.const 1
-       i32.add
-       local.set $13
-       br $repeat|1
-       unreachable
-      end
+      local.set $14
+      br $repeat|1
       unreachable
      end
-     local.get $5
-     local.get $9
-     f64.store offset=24
-     local.get $5
-     local.get $10
-     f64.store offset=32
-     local.get $5
-     local.get $11
-     f64.store offset=40
-     local.get $5
-     local.get $5
-     f64.load
-     local.get $1
-     local.get $9
-     f64.mul
-     f64.add
-     f64.store
-     local.get $5
-     local.get $5
-     f64.load offset=8
-     local.get $1
-     local.get $10
-     f64.mul
-     f64.add
-     f64.store offset=8
-     local.get $5
-     local.get $5
-     f64.load offset=16
-     local.get $1
-     local.get $11
-     f64.mul
-     f64.add
-     f64.store offset=16
+     unreachable
     end
+    local.get $6
+    local.get $10
+    f64.store offset=24
+    local.get $6
+    local.get $11
+    f64.store offset=32
+    local.get $6
+    local.get $12
+    f64.store offset=40
+    local.get $6
+    local.get $6
+    f64.load
+    local.get $1
+    local.get $10
+    f64.mul
+    f64.add
+    f64.store
+    local.get $6
+    local.get $6
+    f64.load offset=8
+    local.get $1
+    local.get $11
+    f64.mul
+    f64.add
+    f64.store offset=8
+    local.get $6
+    local.get $6
+    f64.load offset=16
+    local.get $1
+    local.get $12
+    f64.mul
+    f64.add
+    f64.store offset=16
+    local.get $5
+    call $~lib/rt/stub/__release
+    local.get $6
+    call $~lib/rt/stub/__release
     local.get $4
     i32.const 1
     i32.add
@@ -927,30 +2133,35 @@
    end
    unreachable
   end
+  local.get $2
+  call $~lib/rt/stub/__release
  )
- (func $assembly/index/NBodySystem#energy (; 20 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
+ (func $assembly/index/NBodySystem#energy (; 18 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
   (local $1 f64)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
-  (local $6 f64)
+  (local $6 i32)
   (local $7 f64)
   (local $8 f64)
   (local $9 f64)
   (local $10 f64)
   (local $11 f64)
   (local $12 f64)
-  (local $13 i32)
+  (local $13 f64)
   (local $14 i32)
-  (local $15 f64)
-  (local $16 f64)
+  (local $15 i32)
+  (local $16 i32)
   (local $17 f64)
   (local $18 f64)
+  (local $19 f64)
+  (local $20 f64)
   f64.const 0
   local.set $1
   local.get $0
   i32.load
+  call $~lib/rt/stub/__retain
   local.set $2
   block $break|0
    block
@@ -966,118 +2177,126 @@
     i32.lt_u
     i32.eqz
     br_if $break|0
-    block
-     local.get $2
+    local.get $2
+    local.get $3
+    call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+    local.tee $5
+    call $~lib/rt/stub/__retain
+    local.set $6
+    local.get $6
+    f64.load
+    local.set $7
+    local.get $6
+    f64.load offset=8
+    local.set $8
+    local.get $6
+    f64.load offset=16
+    local.set $9
+    local.get $6
+    f64.load offset=24
+    local.set $10
+    local.get $6
+    f64.load offset=32
+    local.set $11
+    local.get $6
+    f64.load offset=40
+    local.set $12
+    local.get $6
+    f64.load offset=48
+    local.set $13
+    local.get $1
+    f64.const 0.5
+    local.get $13
+    f64.mul
+    local.get $10
+    local.get $10
+    f64.mul
+    local.get $11
+    local.get $11
+    f64.mul
+    f64.add
+    local.get $12
+    local.get $12
+    f64.mul
+    f64.add
+    f64.mul
+    f64.add
+    local.set $1
+    block $break|1
      local.get $3
-     call $~lib/array/Array<assembly/index/Body>#__unchecked_get
-     local.set $5
-     local.get $5
-     f64.load
-     local.set $6
-     local.get $5
-     f64.load offset=8
-     local.set $7
-     local.get $5
-     f64.load offset=16
-     local.set $8
-     local.get $5
-     f64.load offset=24
-     local.set $9
-     local.get $5
-     f64.load offset=32
-     local.set $10
-     local.get $5
-     f64.load offset=40
-     local.set $11
-     local.get $5
-     f64.load offset=48
-     local.set $12
-     local.get $1
-     f64.const 0.5
-     local.get $12
-     f64.mul
-     local.get $9
-     local.get $9
-     f64.mul
-     local.get $10
-     local.get $10
-     f64.mul
-     f64.add
-     local.get $11
-     local.get $11
-     f64.mul
-     f64.add
-     f64.mul
-     f64.add
-     local.set $1
-     block $break|1
-      local.get $3
+     i32.const 1
+     i32.add
+     local.set $14
+     loop $repeat|1
+      local.get $14
+      local.get $4
+      i32.lt_u
+      i32.eqz
+      br_if $break|1
+      local.get $2
+      local.get $14
+      call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+      local.tee $15
+      call $~lib/rt/stub/__retain
+      local.set $16
+      local.get $7
+      local.get $16
+      f64.load
+      f64.sub
+      local.set $17
+      local.get $8
+      local.get $16
+      f64.load offset=8
+      f64.sub
+      local.set $18
+      local.get $9
+      local.get $16
+      f64.load offset=16
+      f64.sub
+      local.set $19
+      block $~lib/math/NativeMath.sqrt|inlined.1 (result f64)
+       local.get $17
+       local.get $17
+       f64.mul
+       local.get $18
+       local.get $18
+       f64.mul
+       f64.add
+       local.get $19
+       local.get $19
+       f64.mul
+       f64.add
+       local.set $20
+       local.get $20
+       f64.sqrt
+      end
+      local.set $20
+      local.get $1
+      local.get $13
+      local.get $16
+      f64.load offset=48
+      f64.mul
+      local.get $20
+      f64.div
+      f64.sub
+      local.set $1
+      local.get $15
+      call $~lib/rt/stub/__release
+      local.get $16
+      call $~lib/rt/stub/__release
+      local.get $14
       i32.const 1
       i32.add
-      local.set $13
-      loop $repeat|1
-       local.get $13
-       local.get $4
-       i32.lt_u
-       i32.eqz
-       br_if $break|1
-       block
-        local.get $2
-        local.get $13
-        call $~lib/array/Array<assembly/index/Body>#__unchecked_get
-        local.set $14
-        local.get $6
-        local.get $14
-        f64.load
-        f64.sub
-        local.set $15
-        local.get $7
-        local.get $14
-        f64.load offset=8
-        f64.sub
-        local.set $16
-        local.get $8
-        local.get $14
-        f64.load offset=16
-        f64.sub
-        local.set $17
-        block $~lib/math/NativeMath.sqrt|inlined.1 (result f64)
-         local.get $15
-         local.get $15
-         f64.mul
-         local.get $16
-         local.get $16
-         f64.mul
-         f64.add
-         local.get $17
-         local.get $17
-         f64.mul
-         f64.add
-         local.set $18
-         local.get $18
-         f64.sqrt
-        end
-        local.set $18
-        local.get $1
-        local.get $12
-        local.get $14
-        f64.load offset=48
-        f64.mul
-        local.get $18
-        f64.div
-        f64.sub
-        local.set $1
-       end
-       local.get $13
-       i32.const 1
-       i32.add
-       local.set $13
-       br $repeat|1
-       unreachable
-      end
+      local.set $14
+      br $repeat|1
       unreachable
      end
+     unreachable
     end
+    local.get $5
+    call $~lib/rt/stub/__release
+    local.get $6
+    call $~lib/rt/stub/__release
     local.get $3
     i32.const 1
     i32.add
@@ -1088,15 +2307,19 @@
    unreachable
   end
   local.get $1
+  local.set $13
+  local.get $2
+  call $~lib/rt/stub/__release
+  local.get $13
  )
- (func $assembly/index/step (; 21 ;) (type $FUNCSIG$d) (result f64)
+ (func $assembly/index/step (; 19 ;) (type $FUNCSIG$d) (result f64)
   global.get $assembly/index/system
   f64.const 0.01
   call $assembly/index/NBodySystem#advance
   global.get $assembly/index/system
   call $assembly/index/NBodySystem#energy
  )
- (func $assembly/index/bench (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $assembly/index/bench (; 20 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   block $break|0
    i32.const 0
@@ -1120,10 +2343,14 @@
    unreachable
   end
  )
- (func $assembly/index/getBody (; 23 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $assembly/index/getBody (; 21 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
   global.get $assembly/index/system
   i32.load
+  call $~lib/rt/stub/__retain
   local.set $1
   local.get $0
   local.get $1
@@ -1133,22 +2360,31 @@
    local.get $1
    local.get $0
    call $~lib/array/Array<assembly/index/Body>#__unchecked_get
+   local.tee $2
+   local.tee $3
   else   
    i32.const 0
+   call $~lib/rt/stub/__retain
+   local.tee $4
   end
+  call $~lib/rt/stub/__retain
+  local.set $2
+  local.get $1
+  call $~lib/rt/stub/__release
+  local.get $2
  )
- (func $start (; 24 ;) (type $FUNCSIG$v)
-  global.get $~lib/memory/HEAP_BASE
-  i32.const 7
+ (func $start (; 22 ;) (type $FUNCSIG$v)
+  global.get $~lib/heap/__heap_base
+  i32.const 15
   i32.add
-  i32.const 7
+  i32.const 15
   i32.const -1
   i32.xor
   i32.and
-  global.set $~lib/allocator/arena/startOffset
-  global.get $~lib/allocator/arena/startOffset
-  global.set $~lib/allocator/arena/offset
+  global.set $~lib/rt/stub/startOffset
+  global.get $~lib/rt/stub/startOffset
+  global.set $~lib/rt/stub/offset
  )
- (func $null (; 25 ;) (type $FUNCSIG$v)
+ (func $null (; 23 ;) (type $FUNCSIG$v)
  )
 )
diff --git a/examples/n-body/package.json b/examples/n-body/package.json
index ce64e03a..0fd4b4db 100644
--- a/examples/n-body/package.json
+++ b/examples/n-body/package.json
@@ -3,9 +3,9 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --sourceMap --debug --validate --importMemory",
-    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -O3 --validate --noAssert --importMemory",
-    "asbuild:asmjs": "asc assembly/index.ts -a build/index.asm.js -O3 --validate --noAssert",
+    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --sourceMap --debug --validate --runtime none --importMemory",
+    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat -O3 --validate --runtime none --noAssert --importMemory",
+    "asbuild:asmjs": "asc assembly/index.ts -a build/index.asm.js -O3 --validate --runtime none --noAssert && node scripts/postprocess-asmjs",
     "asbuild": "npm run asbuild:untouched && npm run asbuild:optimized && npm run asbuild:asmjs",
     "tsbuild": "tsc -p assembly -t ES2017 -m commonjs --outDir build",
     "build": "npm run asbuild && npm run tsbuild",
diff --git a/examples/n-body/scripts/postprocess-asmjs.js b/examples/n-body/scripts/postprocess-asmjs.js
new file mode 100644
index 00000000..d331a75a
--- /dev/null
+++ b/examples/n-body/scripts/postprocess-asmjs.js
@@ -0,0 +1,7 @@
+const fs = require("fs");
+const path = require("path");
+
+const filename = path.join(__dirname, "..", "build" , "index.asm.js");
+var source = fs.readFileSync(filename, { encoding: "utf8" });
+source = source.replace(/^export var ([^ ]+) =/mg, ($0, $1) => "exports." + $1 + " = ");
+fs.writeFileSync(filename, source);
diff --git a/lib/loader/index.js b/lib/loader/index.js
index 99005a0f..58648748 100644
--- a/lib/loader/index.js
+++ b/lib/loader/index.js
@@ -85,7 +85,7 @@ function postInstantiate(baseModule, instance) {
   const table = rawExports.table;
   const alloc = rawExports["__alloc"];
   const retain = rawExports["__retain"];
-  const rtti = rawExports["__rtti"] || ~0; // oob if not present
+  const rttiBase = rawExports["__rtti_base"] || ~0; // oob if not present
 
   // Provide views for all sorts of basic values
   var buffer, I8, U8, I16, U16, I32, U32, F32, F64, I64, U64;
@@ -113,16 +113,16 @@ function postInstantiate(baseModule, instance) {
 
   /** Gets the runtime type info for the given id. */
   function getInfo(id) {
-    const count = U32[rtti >>> 2];
+    const count = U32[rttiBase >>> 2];
     if ((id >>>= 0) >= count) throw Error("invalid id: " + id);
-    return U32[(rtti + 4 >>> 2) + id * 2];
+    return U32[(rttiBase + 4 >>> 2) + id * 2];
   }
 
   /** Gets the runtime base id for the given id. */
   function getBase(id) {
-    const count = U32[rtti >>> 2];
+    const count = U32[rttiBase >>> 2];
     if ((id >>>= 0) >= count) throw Error("invalid id: " + id);
-    return U32[(rtti + 4 >>> 2) + id * 2 + 1];
+    return U32[(rttiBase + 4 >>> 2) + id * 2 + 1];
   }
 
   /** Gets the runtime alignment of a collection's values or keys. */
@@ -217,7 +217,7 @@ function postInstantiate(baseModule, instance) {
   /** Tests whether an object is an instance of the class represented by the specified base id. */
   function __instanceof(ref, baseId) {
     var id = U32[(ref + ID_OFFSET) >>> 2];
-    if (id <= U32[rtti >>> 2]) {
+    if (id <= U32[rttiBase >>> 2]) {
       do if (id == baseId) return true;
       while (id = getBase(id));
     }
@@ -308,7 +308,11 @@ function demangle(exports, baseModule) {
         let ctor = function(...args) {
           return ctor.wrap(ctor.prototype.constructor(0, ...args));
         };
-        ctor.prototype = {};
+        ctor.prototype = {
+          valueOf: function valueOf() {
+            return this[THIS];
+          }
+        };
         ctor.wrap = function(thisValue) {
           return Object.create(ctor.prototype, { [THIS]: { value: thisValue, writable: false } });
         };
diff --git a/lib/loader/tests/build/untouched.wasm b/lib/loader/tests/build/untouched.wasm
index 32f23c62b7885f10f39a3b7eb99ce99a1dbbb4b7..fd6471c9dcec11253664018e36154597da8cc9ce 100644
GIT binary patch
delta 1226
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zo0J=)IO+uhv|#o9xKs7Fw~^F7b`P#PH~gqP3gWASd;Rq=j7Dg6CV_SU+8w1xa|oG>
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delta 1121
zcmYjP&u<$=7@gm{_O9Jc+Qh%oX2vEZIMgi^oRZKqqqeAlib%a6IN+|F#g1!xo%I$8
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diff --git a/lib/loader/tests/index.js b/lib/loader/tests/index.js
index 3938e345..c45ab474 100644
--- a/lib/loader/tests/index.js
+++ b/lib/loader/tests/index.js
@@ -111,6 +111,7 @@ car.openDoors();
 assert.strictEqual(car.isDoorsOpen, 1);
 car.closeDoors();
 assert.strictEqual(car.isDoorsOpen, 0);
+module.__release(car); // uses Car.prototype.valueOf to obtain `thisPtr`
 
 // should be able to use trace
 module.dotrace(42);
diff --git a/lib/parse/build/index.wat b/lib/parse/build/index.wat
index 84a5cab8..1d63582a 100644
--- a/lib/parse/build/index.wat
+++ b/lib/parse/build/index.wat
@@ -300,16 +300,16 @@
    i32.lt_u
    if
     call $assembly/index/readVaruint
-    local.set $2
+    local.set $4
     call $assembly/index/readVaruint
     local.set $3
     i32.const 0
-    local.set $4
-    i32.const 0
     local.set $5
-    local.get $2
+    i32.const 0
+    local.set $2
+    local.get $4
     if
-     local.get $2
+     local.get $4
      i32.const 11
      i32.gt_u
      if
@@ -319,10 +319,9 @@
      global.get $assembly/index/off
      local.set $6
      call $assembly/index/readVaruint
-     local.set $5
-     local.get $5
+     local.tee $2
      global.get $assembly/index/off
-     local.tee $4
+     local.tee $5
      i32.add
      global.set $assembly/index/off
      local.get $3
@@ -332,12 +331,12 @@
      i32.sub
      local.set $3
     end
-    local.get $2
+    local.get $4
     global.get $assembly/index/off
     local.tee $6
     local.get $3
-    local.get $4
     local.get $5
+    local.get $2
     call $assembly/options/onSection
     if
      block $break|1
@@ -351,16 +350,16 @@
              block $case3|1
               block $case2|1
                block $case1|1
-                local.get $2
+                local.get $4
                 i32.const 1
                 i32.ne
                 if
-                 local.get $2
+                 local.get $4
                  i32.const 2
                  i32.eq
                  br_if $case1|1
                  block $tablify|0
-                  local.get $2
+                  local.get $4
                   br_table $case8|1 $tablify|0 $tablify|0 $case2|1 $case3|1 $case4|1 $case5|1 $case6|1 $case7|1 $case11|1 $case11|1 $case11|1 $tablify|0
                  end
                  br $case12|1
@@ -368,13 +367,13 @@
                 call $assembly/index/readVaruint
                 local.set $4
                 i32.const 0
-                local.set $3
+                local.set $2
                 loop $repeat|2
-                 local.get $3
+                 local.get $2
                  local.get $4
                  i32.lt_u
                  if
-                  local.get $3
+                  local.get $2
                   i32.const 7
                   call $assembly/index/readVarint
                   i32.const 127
@@ -383,53 +382,53 @@
                   call $assembly/index/readVaruint
                   local.set $5
                   i32.const 0
-                  local.set $2
+                  local.set $3
                   loop $repeat|3
-                   local.get $2
+                   local.get $3
                    local.get $5
                    i32.lt_u
                    if
-                    local.get $3
                     local.get $2
+                    local.get $3
                     i32.const 7
                     call $assembly/index/readVarint
                     i32.const 127
                     i32.and
                     call $assembly/options/onTypeParam
-                    local.get $2
+                    local.get $3
                     i32.const 1
                     i32.add
-                    local.set $2
+                    local.set $3
                     br $repeat|3
                    end
                   end
                   call $assembly/index/readVaruint
                   local.set $5
                   i32.const 0
-                  local.set $2
+                  local.set $3
                   loop $repeat|4
-                   local.get $2
+                   local.get $3
                    local.get $5
                    i32.lt_u
                    if
-                    local.get $3
                     local.get $2
+                    local.get $3
                     i32.const 7
                     call $assembly/index/readVarint
                     i32.const 127
                     i32.and
                     call $assembly/options/onTypeReturn
-                    local.get $2
+                    local.get $3
                     i32.const 1
                     i32.add
-                    local.set $2
+                    local.set $3
                     br $repeat|4
                    end
                   end
-                  local.get $3
+                  local.get $2
                   i32.const 1
                   i32.add
-                  local.set $3
+                  local.set $2
                   br $repeat|2
                  end
                 end
@@ -438,14 +437,14 @@
                call $assembly/index/readVaruint
                local.set $7
                i32.const 0
-               local.set $3
+               local.set $4
                loop $repeat|5
-                local.get $3
+                local.get $4
                 local.get $7
                 i32.lt_u
                 if
                  call $assembly/index/readVaruint
-                 local.tee $4
+                 local.tee $3
                  global.get $assembly/index/off
                  local.tee $5
                  i32.add
@@ -464,10 +463,10 @@
                  i32.const 1
                  i32.add
                  global.set $assembly/index/off
-                 local.get $3
+                 local.get $4
                  local.get $2
                  local.get $5
-                 local.get $4
+                 local.get $3
                  local.get $8
                  local.get $6
                  call $assembly/options/onImport
@@ -483,11 +482,11 @@
                        i32.sub
                        br_table $case1|6 $case2|6 $case3|6 $case4|6
                       end
-                      local.get $0
+                      local.get $10
                       local.tee $2
                       i32.const 1
                       i32.add
-                      local.set $0
+                      local.set $10
                       local.get $2
                       call $assembly/index/readVaruint
                       call $assembly/options/onFunctionImport
@@ -497,16 +496,16 @@
                      call $assembly/index/readVarint
                      i32.const 127
                      i32.and
-                     local.set $4
+                     local.set $3
                      call $assembly/index/readVaruint
                      local.set $5
-                     local.get $10
+                     local.get $0
                      local.tee $2
                      i32.const 1
                      i32.add
-                     local.set $10
+                     local.set $0
                      local.get $2
-                     local.get $4
+                     local.get $3
                      call $assembly/index/readVaruint
                      local.get $5
                      i32.const 1
@@ -521,7 +520,7 @@
                      br $break|6
                     end
                     call $assembly/index/readVaruint
-                    local.set $4
+                    local.set $3
                     local.get $11
                     local.tee $2
                     i32.const 1
@@ -529,7 +528,7 @@
                     local.set $11
                     local.get $2
                     call $assembly/index/readVaruint
-                    local.get $4
+                    local.get $3
                     i32.const 1
                     i32.and
                     if (result i32)
@@ -537,7 +536,7 @@
                     else                     
                      i32.const 65535
                     end
-                    local.get $4
+                    local.get $3
                     call $assembly/options/onMemoryImport
                     br $break|6
                    end
@@ -557,10 +556,10 @@
                   end
                   unreachable
                  end
-                 local.get $3
+                 local.get $4
                  i32.const 1
                  i32.add
-                 local.set $3
+                 local.set $4
                  br $repeat|5
                 end
                end
@@ -575,11 +574,11 @@
                local.get $4
                i32.lt_u
                if
-                local.get $0
+                local.get $10
                 local.tee $2
                 i32.const 1
                 i32.add
-                local.set $0
+                local.set $10
                 local.get $2
                 call $assembly/index/readVaruint
                 call $assembly/options/onFunction
@@ -595,25 +594,25 @@
              call $assembly/index/readVaruint
              local.set $7
              i32.const 0
-             local.set $3
+             local.set $4
              loop $repeat|8
-              local.get $3
+              local.get $4
               local.get $7
               i32.lt_u
               if
                call $assembly/index/readVaruint
                i32.const 127
                i32.and
-               local.set $4
+               local.set $3
                call $assembly/index/readVaruint
                local.set $5
-               local.get $10
+               local.get $0
                local.tee $2
                i32.const 1
                i32.add
-               local.set $10
+               local.set $0
                local.get $2
-               local.get $4
+               local.get $3
                call $assembly/index/readVaruint
                local.get $5
                i32.const 1
@@ -625,10 +624,10 @@
                end
                local.get $5
                call $assembly/options/onTable
-               local.get $3
+               local.get $4
                i32.const 1
                i32.add
-               local.set $3
+               local.set $4
                br $repeat|8
               end
              end
@@ -707,12 +706,12 @@
            br $break|1
           end
           call $assembly/index/readVaruint
-          local.set $2
-          i32.const 0
           local.set $3
+          i32.const 0
+          local.set $2
           loop $repeat|11
-           local.get $3
            local.get $2
+           local.get $3
            i32.lt_u
            if
             call $assembly/index/readVaruint
@@ -729,16 +728,16 @@
             i32.const 1
             i32.add
             global.set $assembly/index/off
-            local.get $3
+            local.get $2
             local.get $7
             call $assembly/index/readVaruint
             local.get $5
             local.get $4
             call $assembly/options/onExport
-            local.get $3
+            local.get $2
             i32.const 1
             i32.add
-            local.set $3
+            local.set $2
             br $repeat|11
            end
           end
@@ -748,11 +747,11 @@
          call $assembly/options/onStart
          br $break|1
         end
-        local.get $5
+        local.get $2
         i32.const 4
         i32.eq
         if (result i32)
-         local.get $4
+         local.get $5
          i32.load
          i32.const 1701667182
          i32.eq
@@ -790,12 +789,12 @@
              br $break|12
             end
             call $assembly/index/readVaruint
-            local.set $3
-            i32.const 0
             local.set $2
+            i32.const 0
+            local.set $3
             loop $repeat|13
-             local.get $2
              local.get $3
+             local.get $2
              i32.lt_u
              if
               call $assembly/index/readVaruint
@@ -810,10 +809,10 @@
               local.get $8
               local.get $7
               call $assembly/options/onFunctionName
-              local.get $2
+              local.get $3
               i32.const 1
               i32.add
-              local.set $2
+              local.set $3
               br $repeat|13
              end
             end
@@ -876,11 +875,11 @@
          global.set $assembly/index/off
          br $break|1
         else         
-         local.get $5
+         local.get $2
          i32.const 16
          i32.eq
          if (result i32)
-          local.get $4
+          local.get $5
           i64.load
           i64.const 7011371672682196851
           i64.eq
@@ -888,7 +887,7 @@
           i32.const 0
          end
          if (result i32)
-          local.get $4
+          local.get $5
           i32.const 8
           i32.add
           i64.load
diff --git a/lib/parse/index.js b/lib/parse/index.js
index 9c6ea076..79b2952d 100644
--- a/lib/parse/index.js
+++ b/lib/parse/index.js
@@ -1,2 +1,2 @@
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\t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 0);\n","\"use strict\";\r\nexports.__esModule = true;\r\nvar common_1 = require(\"./common\");\r\nexports.Type = common_1.Type;\r\nexports.SectionId = common_1.SectionId;\r\nexports.ExternalKind = common_1.ExternalKind;\r\n/** Cached compiled parser. */\r\nvar compiled = null;\r\nif (typeof WASM_DATA !== \"string\")\r\n    WASM_DATA = require(\"fs\").readFileSync(__dirname + \"/../build/index.wasm\", \"base64\");\r\n/** Parses the contents of a WebAssembly binary according to the specified options. */\r\nfunction parse(binary, options) {\r\n    if (!options)\r\n        options = {};\r\n    // compile the parser if not yet compiled\r\n    if (!compiled)\r\n        compiled = new WebAssembly.Module(base64_decode(WASM_DATA));\r\n    // use the binary as the parser's memory\r\n    var nBytes = binary.length;\r\n    var nPages = ((nBytes + 0xffff) & ~0xffff) >> 16;\r\n    var memory = new WebAssembly.Memory({ initial: nPages });\r\n    var buffer = new Uint8Array(memory.buffer);\r\n    buffer.set(binary);\r\n    // provide a way to read strings from memory\r\n    parse.readString = function (offset, length) { return utf8_read(buffer, offset, offset + length); };\r\n    // instantiate the parser and return its exports\r\n    var imports = {\r\n        env: {\r\n            memory: memory\r\n        },\r\n        options: {}\r\n    };\r\n    [\"onSection\",\r\n        \"onType\",\r\n        \"onTypeParam\",\r\n        \"onTypeReturn\",\r\n        \"onImport\",\r\n        \"onFunctionImport\",\r\n        \"onTableImport\",\r\n        \"onMemoryImport\",\r\n        \"onGlobalImport\",\r\n        \"onMemory\",\r\n        \"onFunction\",\r\n        \"onTable\",\r\n        \"onGlobal\",\r\n        \"onExport\",\r\n        \"onStart\",\r\n        \"onSourceMappingURL\",\r\n        \"onModuleName\",\r\n        \"onFunctionName\",\r\n        \"onLocalName\"\r\n    ].forEach(function (name) { return imports.options[name] = options[name] || function () { }; });\r\n    var instance = new WebAssembly.Instance(compiled, imports);\r\n    instance.exports.parse(0, nBytes);\r\n}\r\nexports.parse = parse;\r\n// see: https://github.com/dcodeIO/protobuf.js/tree/master/lib/utf8\r\nfunction utf8_read(buffer, start, end) {\r\n    var len = end - start;\r\n    if (len < 1)\r\n        return \"\";\r\n    var parts = null, chunk = [], i = 0, // char offset\r\n    t = 0; // temporary\r\n    while (start < end) {\r\n        t = buffer[start++];\r\n        if (t < 128) {\r\n            chunk[i++] = t;\r\n        }\r\n        else if (t > 191 && t < 224) {\r\n            chunk[i++] = (t & 31) << 6 | buffer[start++] & 63;\r\n        }\r\n        else if (t > 239 && t < 365) {\r\n            t = ((t & 7) << 18 | (buffer[start++] & 63) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63) - 0x10000;\r\n            chunk[i++] = 0xD800 + (t >> 10);\r\n            chunk[i++] = 0xDC00 + (t & 1023);\r\n        }\r\n        else {\r\n            chunk[i++] = (t & 15) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63;\r\n        }\r\n        if (i > 8191) {\r\n            (parts || (parts = [])).push(String.fromCharCode.apply(String, chunk));\r\n            i = 0;\r\n        }\r\n    }\r\n    if (parts) {\r\n        if (i)\r\n            parts.push(String.fromCharCode.apply(String, chunk.slice(0, i)));\r\n        return parts.join(\"\");\r\n    }\r\n    return String.fromCharCode.apply(String, chunk.slice(0, i));\r\n}\r\n// see: https://github.com/dcodeIO/protobuf.js/tree/master/lib/base64\r\nfunction base64_decode(string) {\r\n    var length = string.length;\r\n    if (length) {\r\n        var n = 0, p = length;\r\n        while (--p % 4 > 1 && string.charCodeAt(p) === 61)\r\n            ++n;\r\n        length = Math.ceil(length * 3) / 4 - n;\r\n    }\r\n    var buffer = new Uint8Array(length);\r\n    var j = 0, o = 0, t = 0;\r\n    for (var i = 0, k = string.length; i < k;) {\r\n        var c = string.charCodeAt(i++);\r\n        if (c === 61 && j > 1)\r\n            break;\r\n        if ((c = s64[c]) === undefined)\r\n            throw Error();\r\n        switch (j) {\r\n            case 0: {\r\n                t = c;\r\n                j = 1;\r\n                break;\r\n            }\r\n            case 1: {\r\n                buffer[o++] = t << 2 | (c & 48) >> 4;\r\n                t = c;\r\n                j = 2;\r\n                break;\r\n            }\r\n            case 2: {\r\n                buffer[o++] = (t & 15) << 4 | (c & 60) >> 2;\r\n                t = c;\r\n                j = 3;\r\n                break;\r\n            }\r\n            case 3: {\r\n                buffer[o++] = (t & 3) << 6 | c;\r\n                j = 0;\r\n                break;\r\n            }\r\n        }\r\n    }\r\n    if (j === 1)\r\n        throw Error();\r\n    return buffer;\r\n}\r\nvar s64 = new Array(123);\r\nfor (var i = 0; i < 64;)\r\n    s64[i < 26 ? i + 65 : i < 52 ? i + 71 : i < 62 ? i - 4 : i - 59 | 43] = i++;\r\n","\"use strict\";\r\n/** Common constants shared between AssemblyScript and TypeScript. */\r\nexports.__esModule = true;\r\n/** WebAssembly types. */\r\nvar Type;\r\n(function (Type) {\r\n    Type[Type[\"i32\"] = 127] = \"i32\";\r\n    Type[Type[\"i64\"] = 126] = \"i64\";\r\n    Type[Type[\"f32\"] = 125] = \"f32\";\r\n    Type[Type[\"f64\"] = 124] = \"f64\";\r\n    Type[Type[\"anyfunc\"] = 112] = \"anyfunc\";\r\n    Type[Type[\"func\"] = 96] = \"func\";\r\n    Type[Type[\"none\"] = 64] = \"none\";\r\n})(Type = exports.Type || (exports.Type = {}));\r\n/** WebAssembly section ids. */\r\nvar SectionId;\r\n(function (SectionId) {\r\n    SectionId[SectionId[\"Custom\"] = 0] = \"Custom\";\r\n    SectionId[SectionId[\"Type\"] = 1] = \"Type\";\r\n    SectionId[SectionId[\"Import\"] = 2] = \"Import\";\r\n    SectionId[SectionId[\"Function\"] = 3] = \"Function\";\r\n    SectionId[SectionId[\"Table\"] = 4] = \"Table\";\r\n    SectionId[SectionId[\"Memory\"] = 5] = \"Memory\";\r\n    SectionId[SectionId[\"Global\"] = 6] = \"Global\";\r\n    SectionId[SectionId[\"Export\"] = 7] = \"Export\";\r\n    SectionId[SectionId[\"Start\"] = 8] = \"Start\";\r\n    SectionId[SectionId[\"Element\"] = 9] = \"Element\";\r\n    SectionId[SectionId[\"Code\"] = 10] = \"Code\";\r\n    SectionId[SectionId[\"Data\"] = 11] = \"Data\";\r\n})(SectionId = exports.SectionId || (exports.SectionId = {}));\r\n/** WebAssembly external kinds. */\r\nvar ExternalKind;\r\n(function (ExternalKind) {\r\n    ExternalKind[ExternalKind[\"Function\"] = 0] = \"Function\";\r\n    ExternalKind[ExternalKind[\"Table\"] = 1] = \"Table\";\r\n    ExternalKind[ExternalKind[\"Memory\"] = 2] = \"Memory\";\r\n    ExternalKind[ExternalKind[\"Global\"] = 3] = \"Global\";\r\n})(ExternalKind = exports.ExternalKind || (exports.ExternalKind = {}));\r\n/** Name section types. */\r\nvar NameType;\r\n(function (NameType) {\r\n    NameType[NameType[\"Module\"] = 0] = \"Module\";\r\n    NameType[NameType[\"Function\"] = 1] = \"Function\";\r\n    NameType[NameType[\"Local\"] = 2] = \"Local\";\r\n})(NameType = exports.NameType || (exports.NameType = {}));\r\n/** Maximum number of memory pages. */\r\nexports.MAX_PAGES = 0xffff;\r\n/** Maximum number of table elements. */\r\nexports.MAX_ELEMS = 0xffffffff;\r\n/** WebAssembly opcodes. */\r\nvar Opcode;\r\n(function (Opcode) {\r\n    // unreachable = 0x00,\r\n    // nop = 0x01,\r\n    // block = 0x02,\r\n    // loop = 0x03,\r\n    // if_ = 0x04,\r\n    // else_ = 0x05,\r\n    Opcode[Opcode[\"end\"] = 11] = \"end\";\r\n    // br = 0x0c,\r\n    // br_if = 0x0d,\r\n    // br_table = 0x0e,\r\n    // return_ = 0x0f,\r\n    // call = 0x10,\r\n    // call_indirect = 0x11,\r\n    // drop = 0x1a,\r\n    // select = 0x1b,\r\n    // get_local = 0x20,\r\n    // set_local = 0x21,\r\n    // tee_local = 0x22,\r\n    Opcode[Opcode[\"get_global\"] = 35] = \"get_global\";\r\n    // set_global = 0x24,\r\n    // i32_load = 0x28,\r\n    // i64_load = 0x29,\r\n    // f32_load = 0x2a,\r\n    // f64_load = 0x2b,\r\n    // i32_load8_s = 0x2c,\r\n    // i32_load8_u = 0x2d,\r\n    // i32_load16_s = 0x2e,\r\n    // i32_load16_u = 0x2f,\r\n    // i64_load8_s = 0x30,\r\n    // i64_load8_u = 0x31,\r\n    // i64_load16_s = 0x32,\r\n    // i64_load16_u = 0x33,\r\n    // i64_load32_s = 0x34,\r\n    // i64_load32_u = 0x35,\r\n    // i32_store = 0x36,\r\n    // i64_store = 0x37,\r\n    // f32_store = 0x38,\r\n    // f64_store = 0x39,\r\n    // i32_store8 = 0x3a,\r\n    // i32_store16 = 0x3b,\r\n    // i64_store8 = 0x3c,\r\n    // i64_store16 = 0x3d,\r\n    // i64_store32 = 0x3e,\r\n    // current_memory = 0x3f,\r\n    // grow_memory = 0x40,\r\n    Opcode[Opcode[\"i32_const\"] = 65] = \"i32_const\";\r\n    Opcode[Opcode[\"i64_const\"] = 66] = \"i64_const\";\r\n    Opcode[Opcode[\"f32_const\"] = 67] = \"f32_const\";\r\n    Opcode[Opcode[\"f64_const\"] = 68] = \"f64_const\";\r\n    // i32_eqz = 0x45,\r\n    // i32_eq = 0x46,\r\n    // i32_ne = 0x47,\r\n    // i32_lt_s = 0x48,\r\n    // i32_lt_u = 0x49,\r\n    // i32_gt_s = 0x4a,\r\n    // i32_gt_u = 0x4b,\r\n    // i32_le_s = 0x4c,\r\n    // i32_le_u = 0x4d,\r\n    // i32_ge_s = 0x4e,\r\n    // i32_ge_u = 0x4f,\r\n    // i64_eqz = 0x50,\r\n    // i64_eq = 0x51,\r\n    // i64_ne = 0x52,\r\n    // i64_lt_s = 0x53,\r\n    // i64_lt_u = 0x54,\r\n    // i64_gt_s = 0x55,\r\n    // i64_gt_u = 0x56,\r\n    // i64_le_s = 0x57,\r\n    // i64_le_u = 0x58,\r\n    // i64_ge_s = 0x59,\r\n    // i64_ge_u = 0x5a,\r\n    // f32_eq = 0x5b,\r\n    // f32_ne = 0x5c,\r\n    // f32_lt = 0x5d,\r\n    // f32_gt = 0x5e,\r\n    // f32_le = 0x5f,\r\n    // f32_ge = 0x60,\r\n    // f64_eq = 0x61,\r\n    // f64_ne = 0x62,\r\n    // f64_lt = 0x63,\r\n    // f64_gt = 0x64,\r\n    // f64_le = 0x65,\r\n    // f64_ge = 0x66,\r\n    // i32_clz = 0x67,\r\n    // i32_ctz = 0x68,\r\n    // i32_popcnt = 0x69,\r\n    // i32_add = 0x6a,\r\n    // i32_sub = 0x6b,\r\n    // i32_mul = 0x6c,\r\n    // i32_div_s = 0x6d,\r\n    // i32_div_u = 0x6e,\r\n    // i32_rem_s = 0x6f,\r\n    // i32_rem_u = 0x70,\r\n    // i32_and = 0x71,\r\n    // i32_or = 0x72,\r\n    // i32_xor = 0x73,\r\n    // i32_shl = 0x74,\r\n    // i32_shr_s = 0x75,\r\n    // i32_shr_u = 0x76,\r\n    // i32_rotl = 0x77,\r\n    // i32_rotr = 0x78,\r\n    // i64_clz = 0x79,\r\n    // i64_ctz = 0x7a,\r\n    // i64_popcnt = 0x7b,\r\n    // i64_add = 0x7c,\r\n    // i64_sub = 0x7d,\r\n    // i64_mul = 0x7e,\r\n    // i64_div_s = 0x7f,\r\n    // i64_div_u = 0x80,\r\n    // i64_rem_s = 0x81,\r\n    // i64_rem_u = 0x82,\r\n    // i64_and = 0x83,\r\n    // i64_or = 0x84,\r\n    // i64_xor = 0x85,\r\n    // i64_shl = 0x86,\r\n    // i64_shr_s = 0x87,\r\n    // i64_shr_u = 0x88,\r\n    // i64_rotl = 0x89,\r\n    // i64_rotr = 0x8a,\r\n    // f32_abs = 0x8b,\r\n    // f32_neg = 0x8c,\r\n    // f32_ceil = 0x8d,\r\n    // f32_floor = 0x8e,\r\n    // f32_trunc = 0x8f,\r\n    // f32_nearest = 0x90,\r\n    // f32_sqrt = 0x91,\r\n    // f32_add = 0x92,\r\n    // f32_sub = 0x93,\r\n    // f32_mul = 0x94,\r\n    // f32_div = 0x95,\r\n    // f32_min = 0x96,\r\n    // f32_max = 0x97,\r\n    // f32_copysign = 0x98,\r\n    // f64_abs = 0x99,\r\n    // f64_neg = 0x9a,\r\n    // f64_ceil = 0x9b,\r\n    // f64_floor = 0x9c,\r\n    // f64_trunc = 0x9d,\r\n    // f64_nearest = 0x9e,\r\n    // f64_sqrt = 0x9f,\r\n    // f64_add = 0xa0,\r\n    // f64_sub = 0xa1,\r\n    // f64_mul = 0xa2,\r\n    // f64_div = 0xa3,\r\n    // f64_min = 0xa4,\r\n    // f64_max = 0xa5,\r\n    // f64_copysign = 0xa6,\r\n    // i32_wrap_i64 = 0xa7,\r\n    // i32_trunc_s_f32 = 0xa8,\r\n    // i32_trunc_u_f32 = 0xa9,\r\n    // i32_trunc_s_f64 = 0xaa,\r\n    // i32_trunc_u_f64 = 0xab,\r\n    // i64_extend_s_i32 = 0xac,\r\n    // i64_extend_u_i32 = 0xad,\r\n    // i64_trunc_s_f32 = 0xae,\r\n    // i64_trunc_u_f32 = 0xaf,\r\n    // i64_trunc_s_f64 = 0xb0,\r\n    // i64_trunc_u_f64 = 0xb1,\r\n    // f32_convert_s_i32 = 0xb2,\r\n    // f32_convert_u_i32 = 0xb3,\r\n    // f32_convert_s_i64 = 0xb4,\r\n    // f32_convert_u_i64 = 0xb5,\r\n    // f32_demote_f64 = 0xb6,\r\n    // f64_convert_s_i32 = 0xb7,\r\n    // f64_convert_u_i32 = 0xb8,\r\n    // f64_convert_s_i64 = 0xb9,\r\n    // f64_convert_u_i64 = 0xba,\r\n    // f64_promote_f32 = 0xbb,\r\n    // i32_reinterpret_f32 = 0xbc,\r\n    // i64_reinterpret_f64 = 0xbd,\r\n    // f32_reinterpret_i32 = 0xbe,\r\n    // f64_reinterpret_i64 = 0xbf\r\n})(Opcode = exports.Opcode || (exports.Opcode = {}));\r\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/lib/parse/package.json b/lib/parse/package.json
index 23d02b8e..f81f9aef 100644
--- a/lib/parse/package.json
+++ b/lib/parse/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "types": "index.d.ts",
   "scripts": {
-    "asbuild": "asc assembly/index.ts -O3 -b build/index.wasm -t build/index.wat --importMemory --sourceMap --validate",
+    "asbuild": "asc assembly/index.ts -O3 -b build/index.wasm -t build/index.wat --importMemory --runtime none --sourceMap --validate",
     "build": "npm run asbuild && webpack --mode production --display-modules",
     "test": "ts-node tests/"
   },
diff --git a/src/builtins.ts b/src/builtins.ts
index c193c66f..63672ed1 100644
--- a/src/builtins.ts
+++ b/src/builtins.ts
@@ -467,8 +467,8 @@ export namespace BuiltinSymbols {
   export const v8x16_shuffle = "~lib/builtins/v8x16.shuffle";
 
   // internals
-  export const HEAP_BASE = "~lib/heap/HEAP_BASE";
-  export const RTTI_BASE = "~lib/rt/RTTI_BASE";
+  export const heap_base = "~lib/heap/__heap_base";
+  export const rtti_base = "~lib/rt/__rtti_base";
   export const visit_globals = "~lib/rt/__visit_globals";
   export const visit_members = "~lib/rt/__visit_members";
 
@@ -4198,9 +4198,9 @@ export function compileRTTI(compiler: Compiler): void {
   var segment = compiler.addMemorySegment(data);
   if (usizeType.size == 8) {
     let offset = segment.offset;
-    module.addGlobal(BuiltinSymbols.RTTI_BASE, NativeType.I64, false, module.i64(i64_low(offset), i64_high(offset)));
+    module.addGlobal(BuiltinSymbols.rtti_base, NativeType.I64, false, module.i64(i64_low(offset), i64_high(offset)));
   } else {
-    module.addGlobal(BuiltinSymbols.RTTI_BASE, NativeType.I32, false, module.i32(i64_low(segment.offset)));
+    module.addGlobal(BuiltinSymbols.rtti_base, NativeType.I32, false, module.i32(i64_low(segment.offset)));
   }
 }
 
diff --git a/src/compiler.ts b/src/compiler.ts
index 1708f74b..e39100c8 100644
--- a/src/compiler.ts
+++ b/src/compiler.ts
@@ -254,9 +254,9 @@ export const enum ContextualFlags {
 /** Runtime features to be activated by the compiler. */
 export const enum RuntimeFeatures {
   NONE = 0,
-  /** Requires HEAP_BASE and heap setup. */
+  /** Requires heap setup. */
   HEAP = 1 << 0,
-  /** Requires RTTI_BASE and RTTI setup. */
+  /** Requires runtime type information setup. */
   RTTI = 1 << 1,
   /** Requires the built-in globals visitor. */
   visitGlobals = 1 << 2,
@@ -349,11 +349,11 @@ export class Compiler extends DiagnosticEmitter {
 
     // add a mutable heap and rtti base dummies
     if (options.isWasm64) {
-      module.addGlobal(BuiltinSymbols.HEAP_BASE, NativeType.I64, true, module.i64(0));
-      module.addGlobal(BuiltinSymbols.RTTI_BASE, NativeType.I64, true, module.i64(0));
+      module.addGlobal(BuiltinSymbols.heap_base, NativeType.I64, true, module.i64(0));
+      module.addGlobal(BuiltinSymbols.rtti_base, NativeType.I64, true, module.i64(0));
     } else {
-      module.addGlobal(BuiltinSymbols.HEAP_BASE, NativeType.I32, true, module.i32(0));
-      module.addGlobal(BuiltinSymbols.RTTI_BASE, NativeType.I32, true, module.i32(0));
+      module.addGlobal(BuiltinSymbols.heap_base, NativeType.I32, true, module.i32(0));
+      module.addGlobal(BuiltinSymbols.rtti_base, NativeType.I32, true, module.i32(0));
     }
 
     // compile entry file(s) while traversing reachable elements
@@ -386,25 +386,25 @@ export class Compiler extends DiagnosticEmitter {
     // compile runtime features
     if (this.runtimeFeatures & RuntimeFeatures.visitGlobals) compileVisitGlobals(this);
     if (this.runtimeFeatures & RuntimeFeatures.visitMembers) compileVisitMembers(this);
-    module.removeGlobal(BuiltinSymbols.RTTI_BASE);
+    module.removeGlobal(BuiltinSymbols.rtti_base);
     if (this.runtimeFeatures & RuntimeFeatures.RTTI) compileRTTI(this);
 
     // update the heap base pointer
     var memoryOffset = this.memoryOffset;
     memoryOffset = i64_align(memoryOffset, options.usizeType.byteSize);
     this.memoryOffset = memoryOffset;
-    module.removeGlobal(BuiltinSymbols.HEAP_BASE);
+    module.removeGlobal(BuiltinSymbols.heap_base);
     if (this.runtimeFeatures & RuntimeFeatures.HEAP) {
       if (options.isWasm64) {
         module.addGlobal(
-          BuiltinSymbols.HEAP_BASE,
+          BuiltinSymbols.heap_base,
           NativeType.I64,
           false,
           module.i64(i64_low(memoryOffset), i64_high(memoryOffset))
         );
       } else {
         module.addGlobal(
-          BuiltinSymbols.HEAP_BASE,
+          BuiltinSymbols.heap_base,
           NativeType.I32,
           false,
           module.i32(i64_low(memoryOffset))
@@ -823,10 +823,10 @@ export class Compiler extends DiagnosticEmitter {
       }
     }
 
-    // Handle ambient builtins like 'HEAP_BASE' that need to be resolved but are added explicitly
+    // Handle ambient builtins like '__heap_base' that need to be resolved but are added explicitly
     if (global.is(CommonFlags.AMBIENT) && global.hasDecorator(DecoratorFlags.BUILTIN)) {
-      if (global.internalName == BuiltinSymbols.HEAP_BASE) this.runtimeFeatures |= RuntimeFeatures.HEAP;
-      else if (global.internalName == BuiltinSymbols.RTTI_BASE) this.runtimeFeatures |= RuntimeFeatures.RTTI;
+      if (global.internalName == BuiltinSymbols.heap_base) this.runtimeFeatures |= RuntimeFeatures.HEAP;
+      else if (global.internalName == BuiltinSymbols.rtti_base) this.runtimeFeatures |= RuntimeFeatures.RTTI;
       return true;
     }
 
diff --git a/src/definitions.ts b/src/definitions.ts
index 1ef6e381..990a079b 100644
--- a/src/definitions.ts
+++ b/src/definitions.ts
@@ -3,7 +3,7 @@
  * @module definitions
  *//***/
 
-import {
+ import {
   CommonFlags
 } from "./common";
 
@@ -23,7 +23,8 @@ import {
   ConstantValueKind,
   Interface,
   Property,
-  PropertyPrototype
+  PropertyPrototype,
+  File
 } from "./program";
 
 import {
@@ -42,10 +43,8 @@ abstract class ExportsWalker {
   program: Program;
   /** Whether to include private members */
   includePrivate: bool;
-  /** Elements still to do. */
-  todo: Element[] = [];
   /** Already seen elements. */
-  seen: Set<Element> = new Set();
+  seen: Map<Element,string> = new Map();
 
   /** Constructs a new Element walker. */
   constructor(program: Program, includePrivate: bool = false) {
@@ -56,57 +55,66 @@ abstract class ExportsWalker {
   /** Walks all elements and calls the respective handlers. */
   walk(): void {
     for (let file of this.program.filesByName.values()) {
-      let members = file.members;
-      if (!members) continue;
-      for (let member of members.values()) {
-        // FIXME: doesn't honor the actual externally visible name
-        this.visitElement(member);
-      }
+      if (file.source.isEntry) this.visitFile(file);
+    }
+  }
+
+  /** Visits all exported elements of a file. */
+  visitFile(file: File): void {
+    var members = file.exports;
+    if (members) {
+      for (let [name, member] of members) this.visitElement(name, member);
+    }
+    var exportsStar = file.exportsStar;
+    if (exportsStar) {
+      for (let exportStar of exportsStar) this.visitFile(exportStar);
     }
-    var todo = this.todo;
-    for (let i = 0; i < todo.length; ) this.visitElement(todo[i]);
   }
 
   /** Visits an element.*/
-  visitElement(element: Element): void {
+  visitElement(name: string, element: Element): void {
     if (element.is(CommonFlags.PRIVATE) && !this.includePrivate) return;
-    if (this.seen.has(element)) return;
-    this.seen.add(element);
+    var seen = this.seen;
+    if (seen.has(element)) {
+      this.visitAlias(name, element, <string>seen.get(element));
+      return;
+    }
+    seen.set(element, name);
     switch (element.kind) {
       case ElementKind.GLOBAL: {
-        if (element.is(CommonFlags.COMPILED)) this.visitGlobal(<Global>element);
+        if (element.is(CommonFlags.COMPILED)) this.visitGlobal(name, <Global>element);
         break;
       }
       case ElementKind.ENUM: {
-        if (element.is(CommonFlags.COMPILED)) this.visitEnum(<Enum>element);
+        if (element.is(CommonFlags.COMPILED)) this.visitEnum(name, <Enum>element);
         break;
       }
       case ElementKind.FUNCTION_PROTOTYPE: {
-        this.visitFunctionInstances(<FunctionPrototype>element);
+        this.visitFunctionInstances(name, <FunctionPrototype>element);
         break;
       }
       case ElementKind.CLASS_PROTOTYPE: {
-        this.visitClassInstances(<ClassPrototype>element);
+        this.visitClassInstances(name, <ClassPrototype>element);
         break;
       }
       case ElementKind.FIELD: {
-        if ((<Field>element).is(CommonFlags.COMPILED)) this.visitField(<Field>element);
+        if ((<Field>element).is(CommonFlags.COMPILED)) this.visitField(name, <Field>element);
         break;
       }
       case ElementKind.PROPERTY_PROTOTYPE: {
-        this.visitPropertyInstances(<PropertyPrototype>element);
+        this.visitPropertyInstances(name, <PropertyPrototype>element);
         break;
       }
       case ElementKind.PROPERTY: {
         let prop = <Property>element;
         let getter = prop.getterInstance;
-        if (getter) this.visitFunction(getter);
+        if (getter) this.visitFunction(name, getter);
         let setter = prop.setterInstance;
-        if (setter) this.visitFunction(setter);
+        if (setter) this.visitFunction(name, setter);
         break;
       }
       case ElementKind.NAMESPACE: {
-        if (hasCompiledMember(element)) this.visitNamespace(element);
+        if (hasCompiledMember(element)) this.visitNamespace(name, element);
         break;
       }
       case ElementKind.TYPEDEFINITION: break;
@@ -114,25 +122,25 @@ abstract class ExportsWalker {
     }
   }
 
-  private visitFunctionInstances(element: FunctionPrototype): void {
+  private visitFunctionInstances(name: string, element: FunctionPrototype): void {
     var instances = element.instances;
     if (instances) {
       for (let instance of instances.values()) {
-        if (instance.is(CommonFlags.COMPILED)) this.visitFunction(<Function>instance);
+        if (instance.is(CommonFlags.COMPILED)) this.visitFunction(name, <Function>instance);
       }
     }
   }
 
-  private visitClassInstances(element: ClassPrototype): void {
+  private visitClassInstances(name: string, element: ClassPrototype): void {
     var instances = element.instances;
     if (instances) {
       for (let instance of instances.values()) {
-        if (instance.is(CommonFlags.COMPILED)) this.visitClass(<Class>instance);
+        if (instance.is(CommonFlags.COMPILED)) this.visitClass(name, <Class>instance);
       }
     }
   }
 
-  private visitPropertyInstances(element: PropertyPrototype): void {
+  private visitPropertyInstances(name: string, element: PropertyPrototype): void {
     // var instances = element.instances;
     // if (instances) {
     //   for (let instance of instances.values()) {
@@ -142,13 +150,14 @@ abstract class ExportsWalker {
     assert(false);
   }
 
-  abstract visitGlobal(element: Global): void;
-  abstract visitEnum(element: Enum): void;
-  abstract visitFunction(element: Function): void;
-  abstract visitClass(element: Class): void;
-  abstract visitInterface(element: Interface): void;
-  abstract visitField(element: Field): void;
-  abstract visitNamespace(element: Element): void;
+  abstract visitGlobal(name: string, element: Global): void;
+  abstract visitEnum(name: string, element: Enum): void;
+  abstract visitFunction(name: string, element: Function): void;
+  abstract visitClass(name: string, element: Class): void;
+  abstract visitInterface(name: string, element: Interface): void;
+  abstract visitField(name: string, element: Field): void;
+  abstract visitNamespace(name: string, element: Element): void;
+  abstract visitAlias(name: string, element: Element, originalName: string): void;
 }
 
 /** A WebIDL definitions builder. */
@@ -167,14 +176,14 @@ export class IDLBuilder extends ExportsWalker {
     super(program, includePrivate);
   }
 
-  visitGlobal(element: Global): void {
+  visitGlobal(name: string, element: Global): void {
     var sb = this.sb;
     var isConst = element.is(CommonFlags.INLINED);
     indent(sb, this.indentLevel);
     if (isConst) sb.push("const ");
     sb.push(this.typeToString(element.type));
     sb.push(" ");
-    sb.push(element.name);
+    sb.push(name);
     if (isConst) {
       switch (element.constantValueKind) {
         case ConstantValueKind.INTEGER: {
@@ -193,11 +202,11 @@ export class IDLBuilder extends ExportsWalker {
     sb.push(";\n");
   }
 
-  visitEnum(element: Enum): void {
+  visitEnum(name: string, element: Enum): void {
     var sb = this.sb;
     indent(sb, this.indentLevel++);
     sb.push("interface ");
-    sb.push(element.name);
+    sb.push(name);
     sb.push(" {\n");
     var members = element.members;
     if (members) {
@@ -218,20 +227,20 @@ export class IDLBuilder extends ExportsWalker {
         }
       }
       for (let member of members.values()) {
-        if (member.kind != ElementKind.ENUMVALUE) this.visitElement(member);
+        if (member.kind != ElementKind.ENUMVALUE) this.visitElement(member.name, member);
       }
     }
     indent(sb, --this.indentLevel);
     sb.push("}\n");
   }
 
-  visitFunction(element: Function): void {
+  visitFunction(name: string, element: Function): void {
     var sb = this.sb;
     var signature = element.signature;
     indent(sb, this.indentLevel);
     sb.push(this.typeToString(signature.returnType));
     sb.push(" ");
-    sb.push(element.name);
+    sb.push(name);
     sb.push("(");
     var parameters = signature.parameterTypes;
     var numParameters = parameters.length;
@@ -250,45 +259,49 @@ export class IDLBuilder extends ExportsWalker {
       sb.push("interface ");
       sb.push(element.name);
       sb.push(" {\n");
-      for (let member of members.values()) this.visitElement(member);
+      for (let member of members.values()) this.visitElement(member.name, member);
       indent(sb, --this.indentLevel);
       sb.push("}\n");
     }
   }
 
-  visitClass(element: Class): void {
+  visitClass(name: string, element: Class): void {
     var sb = this.sb;
     indent(sb, this.indentLevel++);
     sb.push("interface ");
-    sb.push(element.name);
+    sb.push(name);
     sb.push(" {\n");
     // TODO
     indent(sb, --this.indentLevel);
     sb.push("}\n");
   }
 
-  visitInterface(element: Interface): void {
-    this.visitClass(element);
+  visitInterface(name: string, element: Interface): void {
+    this.visitClass(name, element);
   }
 
-  visitField(element: Field): void {
+  visitField(name: string, element: Field): void {
     // TODO
   }
 
-  visitNamespace(element: Namespace): void {
+  visitNamespace(name: string, element: Namespace): void {
     var sb = this.sb;
     indent(sb, this.indentLevel++);
     sb.push("interface ");
-    sb.push(element.name);
+    sb.push(name);
     sb.push(" {\n");
     var members = element.members;
     if (members) {
-      for (let member of members.values()) this.visitElement(member);
+      for (let member of members.values()) this.visitElement(member.name, member);
     }
     indent(sb, --this.indentLevel);
     sb.push("}\n");
   }
 
+  visitAlias(name: string, element: Element, originalName: string): void {
+    // TODO
+  }
+
   typeToString(type: Type): string {
     switch (type.kind) {
       case TypeKind.I8: return "byte";
@@ -335,13 +348,14 @@ export class TSDBuilder extends ExportsWalker {
 
   private sb: string[] = [];
   private indentLevel: i32 = 0;
+  private unknown: Set<string> = new Set();
 
   /** Constructs a new WebIDL builder. */
   constructor(program: Program, includePrivate: bool = false) {
     super(program, includePrivate);
   }
 
-  visitGlobal(element: Global): void {
+  visitGlobal(name: string, element: Global): void {
     var sb = this.sb;
     var isConst = element.is(CommonFlags.INLINED);
     indent(sb, this.indentLevel);
@@ -349,21 +363,21 @@ export class TSDBuilder extends ExportsWalker {
       if (isConst) sb.push("static readonly ");
       else sb.push("static ");
     } else {
-      if (isConst) sb.push("const ");
-      else sb.push("var ");
+      if (isConst) sb.push("export const ");
+      else sb.push("export var ");
     }
-    sb.push(element.name);
+    sb.push(name);
     sb.push(": ");
     sb.push(this.typeToString(element.type));
     sb.push(";\n");
-    this.visitNamespace(element);
+    this.visitNamespace(name, element);
   }
 
-  visitEnum(element: Enum): void {
+  visitEnum(name: string, element: Enum): void {
     var sb = this.sb;
     indent(sb, this.indentLevel++);
-    sb.push("enum ");
-    sb.push(element.name);
+    sb.push("export enum ");
+    sb.push(name);
     sb.push(" {\n");
     var members = element.members;
     if (members) {
@@ -381,13 +395,13 @@ export class TSDBuilder extends ExportsWalker {
           --numMembers;
         }
       }
-      if (numMembers) this.visitNamespace(element);
+      if (numMembers) this.visitNamespace(name, element);
     }
     indent(sb, --this.indentLevel);
     sb.push("}\n");
   }
 
-  visitFunction(element: Function): void {
+  visitFunction(name: string, element: Function): void {
     if (element.isAny(CommonFlags.PRIVATE | CommonFlags.SET)) return;
     var sb = this.sb;
     var signature = element.signature;
@@ -395,14 +409,15 @@ export class TSDBuilder extends ExportsWalker {
     if (element.is(CommonFlags.PROTECTED)) sb.push("protected ");
     if (element.is(CommonFlags.STATIC)) sb.push("static ");
     if (element.is(CommonFlags.GET)) {
-      sb.push(element.identifierNode.text); // 'get:funcName' internally
-      sb.push(": ");
+      sb.push("get ");
+      sb.push(name); // 'get:funcName' internally
+      sb.push("(): ");
       sb.push(this.typeToString(signature.returnType));
       sb.push(";\n");
       return;
     } else {
-      if (!element.isAny(CommonFlags.STATIC | CommonFlags.INSTANCE)) sb.push("function ");
-      sb.push(element.name);
+      if (!element.isAny(CommonFlags.STATIC | CommonFlags.INSTANCE)) sb.push("export function ");
+      sb.push(name);
     }
     sb.push("(");
     var parameters = signature.parameterTypes;
@@ -422,73 +437,79 @@ export class TSDBuilder extends ExportsWalker {
       sb.push(this.typeToString(signature.returnType));
     }
     sb.push(";\n");
-    this.visitNamespace(element);
+    this.visitNamespace(name, element);
   }
 
-  visitClass(element: Class): void {
+  visitClass(name: string, element: Class): void {
     var sb = this.sb;
     var isInterface = element.kind == ElementKind.INTERFACE;
     indent(sb, this.indentLevel++);
     if (isInterface) {
-      sb.push("interface ");
+      sb.push("export interface ");
     } else {
       if (element.is(CommonFlags.ABSTRACT)) sb.push("abstract ");
-      sb.push("class ");
-    }
-    sb.push(element.name);
-    var base = element.base;
-    if (base && base.is(CommonFlags.COMPILED | CommonFlags.MODULE_EXPORT)) {
-      sb.push(" extends ");
-      sb.push(base.name); // TODO: fqn
+      sb.push("export class ");
     }
+    sb.push(name);
+    // var base = element.base;
+    // if (base && base.is(CommonFlags.COMPILED | CommonFlags.MODULE_EXPORT)) {
+    //   sb.push(" extends ");
+    //   sb.push(base.name); // TODO: fqn
+    // }
     sb.push(" {\n");
-    var members = element.parent.members; // static
-    if (members) {
-      for (let member of members.values()) {
-        this.visitElement(member);
-      }
+    var staticMembers = element.prototype.members;
+    if (staticMembers) {
+      for (let member of staticMembers.values()) this.visitElement(member.name, member);
     }
-    var ctor = element.constructorInstance;
-    if (ctor) this.visitFunction(ctor);
-    members = element.members; // instance
-    if (members) {
-      for (let member of members.values()) this.visitElement(member);
+    var instanceMembers = element.members;
+    if (instanceMembers) {
+      for (let member of instanceMembers.values()) this.visitElement(member.name, member);
     }
     indent(sb, --this.indentLevel);
     sb.push("}\n");
   }
 
-  visitInterface(element: Interface): void {
-    this.visitClass(element);
+  visitInterface(name: string, element: Interface): void {
+    this.visitClass(name, element);
   }
 
-  visitField(element: Field): void {
+  visitField(name: string, element: Field): void {
     if (element.is(CommonFlags.PRIVATE)) return;
     var sb = this.sb;
     indent(sb, this.indentLevel);
     if (element.is(CommonFlags.PROTECTED)) sb.push("protected ");
     if (element.is(CommonFlags.STATIC)) sb.push("static ");
     if (element.is(CommonFlags.READONLY)) sb.push("readonly ");
-    sb.push(element.name);
+    sb.push(name);
     sb.push(": ");
     sb.push(this.typeToString(element.type));
     sb.push(";\n");
   }
 
-  visitNamespace(element: Element): void {
+  visitNamespace(name: string, element: Element): void {
     var members = element.members;
     if (members && members.size) {
       let sb = this.sb;
       indent(sb, this.indentLevel++);
-      sb.push("namespace ");
-      sb.push(element.name);
+      sb.push("export namespace ");
+      sb.push(name);
       sb.push(" {\n");
-      for (let member of members.values()) this.visitElement(member);
+      for (let member of members.values()) this.visitElement(member.name, member);
       indent(sb, --this.indentLevel);
       sb.push("}\n");
     }
   }
 
+  visitAlias(name: string, element: Element, originalName: string): void {
+    var sb = this.sb;
+    indent(sb, this.indentLevel);
+    sb.push("export const ");
+    sb.push(name);
+    sb.push(" = typeof ");
+    sb.push(originalName);
+    sb.push(";\n");
+  }
+
   typeToString(type: Type): string {
     switch (type.kind) {
       case TypeKind.I8: return "i8";
@@ -510,7 +531,7 @@ export class TSDBuilder extends ExportsWalker {
       case TypeKind.VOID: return "void";
       default: {
         assert(false);
-        return "";
+        return "any";
       }
     }
   }
diff --git a/std/assembly/heap.ts b/std/assembly/heap.ts
index 8fc375ce..4640442d 100644
--- a/std/assembly/heap.ts
+++ b/std/assembly/heap.ts
@@ -1,3 +1,3 @@
 // @ts-ignore: decorator
 @builtin
-export declare const HEAP_BASE: usize;
+export declare const __heap_base: usize;
diff --git a/std/assembly/index.d.ts b/std/assembly/index.d.ts
index 5e0a6ef9..ef00a17c 100644
--- a/std/assembly/index.d.ts
+++ b/std/assembly/index.d.ts
@@ -105,7 +105,7 @@ declare const NaN: f32 | f64;
 /** Positive infinity as a 32-bit or 64-bit float depending on context. */
 declare const Infinity: f32 | f64;
 /** Heap base offset. */
-declare const HEAP_BASE: usize;
+declare const __heap_base: usize;
 /** Determines the byte size of the specified underlying core type. Compiles to a constant. */
 declare function sizeof<T>(): usize;
 /** Determines the alignment (log2) of the specified underlying core type. Compiles to a constant. */
@@ -539,7 +539,7 @@ declare namespace v128 {
   export function mul<T>(a: v128, b: v128): v128; // except i64
   /** Divides each lane of two 128-bit vectors. */
   export function div<T = f32 | f64>(a: v128, b: v128): v128;
-  /** Negates each lane of a 128-bit vector */
+  /** Negates each lane of a 128-bit vector. */
   export function neg<T>(a: v128): v128;
   /** Adds each lane of two 128-bit vectors using saturation. */
   export function add_saturate<T>(a: v128, b: v128): v128;
diff --git a/std/assembly/rt.ts b/std/assembly/rt.ts
index 8eb2d788..de9b8553 100644
--- a/std/assembly/rt.ts
+++ b/std/assembly/rt.ts
@@ -5,7 +5,7 @@ import { ArrayBufferView } from "./arraybuffer";
 
 // @ts-ignore: decorator
 @builtin
-export declare const RTTI_BASE: usize;
+export declare const __rtti_base: usize;
 
 // @ts-ignore: decorator
 @builtin @unsafe
@@ -18,7 +18,7 @@ export declare function __visit_members(ref: usize, cookie: u32): void;
 // @ts-ignore: decorator
 @unsafe
 export function __typeinfo(id: u32): TypeinfoFlags {
-  var ptr = RTTI_BASE;
+  var ptr = __rtti_base;
   if (id > load<u32>(ptr)) throw new Error(E_INDEXOUTOFRANGE);
   return changetype<Typeinfo>(ptr + sizeof<u32>() + id * offsetof<Typeinfo>()).flags;
 }
@@ -27,7 +27,7 @@ export function __typeinfo(id: u32): TypeinfoFlags {
 @unsafe
 export function __instanceof(ref: usize, superId: u32): bool { // keyword
   var id = changetype<BLOCK>(ref - BLOCK_OVERHEAD).rtId;
-  var ptr = RTTI_BASE;
+  var ptr = __rtti_base;
   if (id <= load<u32>(ptr)) {
     do if (id == superId) return true;
     while (id = changetype<Typeinfo>(ptr + sizeof<u32>() + id * offsetof<Typeinfo>()).base);
diff --git a/std/assembly/rt/index-full.ts b/std/assembly/rt/index-full.ts
index ceed8e44..c9fa6549 100644
--- a/std/assembly/rt/index-full.ts
+++ b/std/assembly/rt/index-full.ts
@@ -1,3 +1,3 @@
 export { __alloc } from "rt/tlsf";
 export { __retain, __release, __collect } from "rt/pure";
-export { RTTI_BASE as __rtti } from "rt";
+export { __rtti_base } from "rt";
diff --git a/std/assembly/rt/index-stub.ts b/std/assembly/rt/index-stub.ts
index b6956efa..251aa346 100644
--- a/std/assembly/rt/index-stub.ts
+++ b/std/assembly/rt/index-stub.ts
@@ -1,2 +1,2 @@
 export { __alloc, __retain, __release, __collect } from "rt/stub";
-export { RTTI_BASE as __rtti } from "rt";
+export { __rtti_base } from "rt";
diff --git a/std/assembly/rt/pure.ts b/std/assembly/rt/pure.ts
index 9487db2d..8fdc7d94 100644
--- a/std/assembly/rt/pure.ts
+++ b/std/assembly/rt/pure.ts
@@ -64,7 +64,7 @@ import { onincrement, ondecrement, onfree, onalloc } from "./rtrace";
 // @ts-ignore: decorator
 @global @unsafe
 function __visit(ref: usize, cookie: i32): void {
-  if (ref < HEAP_BASE) return;
+  if (ref < __heap_base) return;
   var s = changetype<Block>(ref - BLOCK_OVERHEAD);
   switch (cookie) {
     case VISIT_DECREMENT: {
@@ -251,12 +251,12 @@ function collectWhite(s: Block): void {
 // @ts-ignore: decorator
 @global @unsafe
 export function __retain(ref: usize): usize {
-  if (ref > HEAP_BASE) increment(changetype<Block>(ref - BLOCK_OVERHEAD));
+  if (ref > __heap_base) increment(changetype<Block>(ref - BLOCK_OVERHEAD));
   return ref;
 }
 
 // @ts-ignore: decorator
 @global @unsafe
 export function __release(ref: usize): void {
-  if (ref > HEAP_BASE) decrement(changetype<Block>(ref - BLOCK_OVERHEAD));
+  if (ref > __heap_base) decrement(changetype<Block>(ref - BLOCK_OVERHEAD));
 }
diff --git a/std/assembly/rt/stub.ts b/std/assembly/rt/stub.ts
index 510ab13a..9c4f10ac 100644
--- a/std/assembly/rt/stub.ts
+++ b/std/assembly/rt/stub.ts
@@ -2,7 +2,7 @@ import { AL_MASK, BLOCK, BLOCK_OVERHEAD, BLOCK_MAXSIZE } from "rt/common";
 
 // @ts-ignore: decorator
 @lazy
-var startOffset: usize = (HEAP_BASE + AL_MASK) & ~AL_MASK;
+var startOffset: usize = (__heap_base + AL_MASK) & ~AL_MASK;
 
 // @ts-ignore: decorator
 @lazy
diff --git a/std/assembly/rt/tlsf.ts b/std/assembly/rt/tlsf.ts
index 350f9807..44366125 100644
--- a/std/assembly/rt/tlsf.ts
+++ b/std/assembly/rt/tlsf.ts
@@ -450,7 +450,7 @@ function prepareSize(size: usize): usize {
 
 /** Initilizes the root structure. */
 export function initializeRoot(): void {
-  var rootOffset = (HEAP_BASE + AL_MASK) & ~AL_MASK;
+  var rootOffset = (__heap_base + AL_MASK) & ~AL_MASK;
   var pagesBefore = memory.size();
   var pagesNeeded = <i32>((((rootOffset + ROOT_SIZE) + 0xffff) & ~0xffff) >>> 16);
   if (pagesNeeded > pagesBefore && memory.grow(pagesNeeded - pagesBefore) < 0) unreachable();
diff --git a/std/assembly/shared/typeinfo.ts b/std/assembly/shared/typeinfo.ts
index e20e8ff7..737ce3d7 100644
--- a/std/assembly/shared/typeinfo.ts
+++ b/std/assembly/shared/typeinfo.ts
@@ -3,7 +3,7 @@
 // ╒═══════════════════ Typeinfo interpretation ═══════════════════╕
 //    3                   2                   1
 //  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0  bits
-// ├─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┤ ◄─ RTTI_BASE
+// ├─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┤ ◄─ __rtti_base
 // │                             count                             │
 // ╞═══════════════════════════════════════════════════════════════╡ ┐
 // │                      Typeinfo#flags [id=0]                    │ id < count
diff --git a/tests/allocators/buddy/assembly/buddy.ts b/tests/allocators/buddy/assembly/buddy.ts
index 52cff567..2e8963f2 100644
--- a/tests/allocators/buddy/assembly/buddy.ts
+++ b/tests/allocators/buddy/assembly/buddy.ts
@@ -89,7 +89,7 @@ class List {
  * for that size. The bucket at index 0 corresponds to an allocation size of
  * MAX_ALLOC (i.e. the whole address space).
  */
-var BUCKETS_START: usize = HEAP_BASE;
+var BUCKETS_START: usize = __heap_base;
 var BUCKETS_END: usize = BUCKETS_START + BUCKET_COUNT * List.SIZE;
 
 function buckets$get(index: usize): List {
diff --git a/tests/allocators/buddy/untouched.wat b/tests/allocators/buddy/untouched.wat
index c8c94697..7c408265 100644
--- a/tests/allocators/buddy/untouched.wat
+++ b/tests/allocators/buddy/untouched.wat
@@ -30,7 +30,7 @@
  (global $assembly/buddy/base_ptr (mut i32) (i32.const 0))
  (global $assembly/buddy/max_ptr (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 156))
+ (global $~lib/heap/__heap_base i32 (i32.const 156))
  (export "memory" (memory $0))
  (export "memory.copy" (func $~lib/memory/memory.copy))
  (export "memory.init" (func $~lib/memory/memory.init))
@@ -41,7 +41,7 @@
  (export "__free" (func $assembly/buddy/__mem_free))
  (start $start)
  (func $start:assembly/buddy (; 1 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   global.set $assembly/buddy/BUCKETS_START
   global.get $assembly/buddy/BUCKETS_START
   global.get $assembly/buddy/BUCKET_COUNT
diff --git a/tests/allocators/rt-full/optimized.wat b/tests/allocators/rt-full/optimized.wat
index eaffb45a..0e383fb2 100644
--- a/tests/allocators/rt-full/optimized.wat
+++ b/tests/allocators/rt-full/optimized.wat
@@ -20,13 +20,13 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 304))
+ (global $~lib/rt/__rtti_base i32 (i32.const 304))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "memory.copy" (func $~lib/memory/memory.copy))
  (export "memory.init" (func $~lib/memory/memory.init))
  (export "memory.drop" (func $~lib/memory/memory.drop))
diff --git a/tests/allocators/rt-full/untouched.wat b/tests/allocators/rt-full/untouched.wat
index 480e3ee0..addfbf47 100644
--- a/tests/allocators/rt-full/untouched.wat
+++ b/tests/allocators/rt-full/untouched.wat
@@ -24,14 +24,14 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 352))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 380))
+ (global $~lib/rt/__rtti_base i32 (i32.const 352))
+ (global $~lib/heap/__heap_base i32 (i32.const 380))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "memory.copy" (func $~lib/memory/memory.copy))
  (export "memory.init" (func $~lib/memory/memory.init))
  (export "memory.drop" (func $~lib/memory/memory.drop))
@@ -216,30 +216,30 @@
      i32.add
      i32.load offset=4
     end
-    local.set $8
+    local.set $9
     block $~lib/rt/tlsf/SETSL|inlined.1
      local.get $0
-     local.set $11
+     local.set $8
      local.get $4
-     local.set $10
-     local.get $8
+     local.set $11
+     local.get $9
      i32.const 1
      local.get $5
      i32.shl
      i32.const -1
      i32.xor
      i32.and
-     local.tee $8
-     local.set $9
+     local.tee $9
+     local.set $10
+     local.get $8
      local.get $11
-     local.get $10
      i32.const 2
      i32.shl
      i32.add
-     local.get $9
+     local.get $10
      i32.store offset=4
     end
-    local.get $8
+    local.get $9
     i32.eqz
     if
      local.get $0
@@ -371,17 +371,17 @@
   if
    block $~lib/rt/tlsf/GETFREELEFT|inlined.0 (result i32)
     local.get $1
-    local.set $3
-    local.get $3
+    local.set $6
+    local.get $6
     i32.const 4
     i32.sub
     i32.load
    end
-   local.set $3
-   local.get $3
-   i32.load
    local.set $6
    local.get $6
+   i32.load
+   local.set $3
+   local.get $3
    i32.const 1
    i32.and
    i32.eqz
@@ -393,7 +393,7 @@
     call $~lib/builtins/abort
     unreachable
    end
-   local.get $6
+   local.get $3
    i32.const 3
    i32.const -1
    i32.xor
@@ -412,17 +412,17 @@
    i32.lt_u
    if
     local.get $0
-    local.get $3
-    call $~lib/rt/tlsf/removeBlock
-    local.get $3
     local.get $6
+    call $~lib/rt/tlsf/removeBlock
+    local.get $6
+    local.get $3
     i32.const 3
     i32.and
     local.get $7
     i32.or
     local.tee $2
     i32.store
-    local.get $3
+    local.get $6
     local.set $1
    end
   end
@@ -531,16 +531,16 @@
   end
   block $~lib/rt/tlsf/GETHEAD|inlined.1 (result i32)
    local.get $0
-   local.set $3
-   local.get $9
-   local.set $6
-   local.get $10
    local.set $7
+   local.get $9
+   local.set $3
+   local.get $10
+   local.set $6
+   local.get $7
    local.get $3
-   local.get $6
    i32.const 4
    i32.shl
-   local.get $7
+   local.get $6
    i32.add
    i32.const 2
    i32.shl
@@ -564,21 +564,21 @@
    local.get $0
    local.set $12
    local.get $9
-   local.set $3
-   local.get $10
-   local.set $6
-   local.get $1
    local.set $7
+   local.get $10
+   local.set $3
+   local.get $1
+   local.set $6
    local.get $12
-   local.get $3
+   local.get $7
    i32.const 4
    i32.shl
-   local.get $6
+   local.get $3
    i32.add
    i32.const 2
    i32.shl
    i32.add
-   local.get $7
+   local.get $6
    i32.store offset=96
   end
   local.get $0
@@ -591,16 +591,16 @@
   i32.store
   block $~lib/rt/tlsf/SETSL|inlined.2
    local.get $0
-   local.set $3
+   local.set $13
    local.get $9
-   local.set $6
+   local.set $12
    block $~lib/rt/tlsf/GETSL|inlined.1 (result i32)
     local.get $0
-    local.set $13
+    local.set $3
     local.get $9
-    local.set $12
-    local.get $13
-    local.get $12
+    local.set $6
+    local.get $3
+    local.get $6
     i32.const 2
     i32.shl
     i32.add
@@ -611,8 +611,8 @@
    i32.shl
    i32.or
    local.set $7
-   local.get $3
-   local.get $6
+   local.get $13
+   local.get $12
    i32.const 2
    i32.shl
    i32.add
@@ -783,7 +783,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -837,9 +837,9 @@
   end
   block $break|0
    i32.const 0
-   local.set $4
+   local.set $5
    loop $repeat|0
-    local.get $4
+    local.get $5
     i32.const 23
     i32.lt_u
     i32.eqz
@@ -847,23 +847,23 @@
     block $~lib/rt/tlsf/SETSL|inlined.0
      local.get $3
      local.set $7
-     local.get $4
+     local.get $5
      local.set $6
      i32.const 0
-     local.set $5
+     local.set $4
      local.get $7
      local.get $6
      i32.const 2
      i32.shl
      i32.add
-     local.get $5
+     local.get $4
      i32.store offset=4
     end
     block $break|1
      i32.const 0
-     local.set $5
+     local.set $7
      loop $repeat|1
-      local.get $5
+      local.get $7
       i32.const 16
       i32.lt_u
       i32.eqz
@@ -871,37 +871,37 @@
       block $~lib/rt/tlsf/SETHEAD|inlined.0
        local.get $3
        local.set $9
-       local.get $4
-       local.set $8
        local.get $5
-       local.set $7
-       i32.const 0
+       local.set $8
+       local.get $7
        local.set $6
+       i32.const 0
+       local.set $4
        local.get $9
        local.get $8
        i32.const 4
        i32.shl
-       local.get $7
+       local.get $6
        i32.add
        i32.const 2
        i32.shl
        i32.add
-       local.get $6
+       local.get $4
        i32.store offset=96
       end
-      local.get $5
+      local.get $7
       i32.const 1
       i32.add
-      local.set $5
+      local.set $7
       br $repeat|1
       unreachable
      end
      unreachable
     end
-    local.get $4
+    local.get $5
     i32.const 1
     i32.add
-    local.set $4
+    local.set $5
     br $repeat|0
     unreachable
    end
@@ -1067,23 +1067,23 @@
    i32.add
    i32.shl
    i32.and
-   local.set $4
-   local.get $4
+   local.set $5
+   local.get $5
    i32.eqz
    if
     i32.const 0
     local.set $7
    else    
-    local.get $4
+    local.get $5
     i32.ctz
     local.set $2
     block $~lib/rt/tlsf/GETSL|inlined.3 (result i32)
      local.get $0
      local.set $8
      local.get $2
-     local.set $5
+     local.set $4
      local.get $8
-     local.get $5
+     local.get $4
      i32.const 2
      i32.shl
      i32.add
@@ -1107,12 +1107,12 @@
      local.set $8
      local.get $6
      i32.ctz
-     local.set $5
+     local.set $4
      local.get $9
      local.get $8
      i32.const 4
      i32.shl
-     local.get $5
+     local.get $4
      i32.add
      i32.const 2
      i32.shl
@@ -1124,14 +1124,14 @@
   else   
    block $~lib/rt/tlsf/GETHEAD|inlined.3 (result i32)
     local.get $0
-    local.set $8
+    local.set $9
     local.get $2
-    local.set $5
+    local.set $8
     local.get $6
     i32.ctz
     local.set $4
+    local.get $9
     local.get $8
-    local.get $5
     i32.const 4
     i32.shl
     local.get $4
@@ -1432,7 +1432,7 @@
  )
  (func $~lib/rt/pure/__retain (; 12 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1471,7 +1471,7 @@
  )
  (func $~lib/rt/__typeinfo (; 14 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3123,7 +3123,7 @@
  )
  (func $~lib/rt/pure/__release (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3510,7 +3510,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/allocators/rt-stub/optimized.wat b/tests/allocators/rt-stub/optimized.wat
index 8c57d2c0..4efc9e12 100644
--- a/tests/allocators/rt-stub/optimized.wat
+++ b/tests/allocators/rt-stub/optimized.wat
@@ -13,13 +13,13 @@
  (data (i32.const 104) "\03\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10")
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 104))
+ (global $~lib/rt/__rtti_base i32 (i32.const 104))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/stub/__alloc))
  (export "__retain" (func $~lib/rt/stub/__retain))
  (export "__release" (func $~lib/rt/stub/__release))
  (export "__collect" (func $~lib/rt/stub/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "memory.copy" (func $~lib/memory/memory.copy))
  (export "memory.init" (func $~lib/memory/memory.init))
  (export "memory.drop" (func $~lib/memory/memory.drop))
diff --git a/tests/allocators/rt-stub/untouched.wat b/tests/allocators/rt-stub/untouched.wat
index 6c2ed563..97f25aae 100644
--- a/tests/allocators/rt-stub/untouched.wat
+++ b/tests/allocators/rt-stub/untouched.wat
@@ -16,14 +16,14 @@
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 104))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 132))
+ (global $~lib/rt/__rtti_base i32 (i32.const 104))
+ (global $~lib/heap/__heap_base i32 (i32.const 132))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/stub/__alloc))
  (export "__retain" (func $~lib/rt/stub/__retain))
  (export "__release" (func $~lib/rt/stub/__release))
  (export "__collect" (func $~lib/rt/stub/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "memory.copy" (func $~lib/memory/memory.copy))
  (export "memory.init" (func $~lib/memory/memory.init))
  (export "memory.drop" (func $~lib/memory/memory.drop))
@@ -1666,7 +1666,7 @@
   global.set $~lib/rt/stub/offset
  )
  (func $start (; 13 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/call-super.untouched.wat b/tests/compiler/call-super.untouched.wat
index 82b396cc..0f3f15ca 100644
--- a/tests/compiler/call-super.untouched.wat
+++ b/tests/compiler/call-super.untouched.wat
@@ -11,7 +11,7 @@
  (elem (i32.const 0) $null)
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 52))
+ (global $~lib/heap/__heap_base i32 (i32.const 52))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -538,7 +538,7 @@
   call $~lib/rt/stub/__release
  )
  (func $start:call-super (; 19 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/constructor.untouched.wat b/tests/compiler/constructor.untouched.wat
index 0587ee93..c9e07820 100644
--- a/tests/compiler/constructor.untouched.wat
+++ b/tests/compiler/constructor.untouched.wat
@@ -18,7 +18,7 @@
  (global $constructor/ctorConditionallyReturns (mut i32) (i32.const 0))
  (global $constructor/ctorAllocates (mut i32) (i32.const 0))
  (global $constructor/ctorConditionallyAllocates (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -267,7 +267,7 @@
   local.get $0
  )
  (func $start:constructor (; 12 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/empty.json b/tests/compiler/empty.json
index 8ee35e6e..fc976a8b 100644
--- a/tests/compiler/empty.json
+++ b/tests/compiler/empty.json
@@ -1,6 +1,6 @@
 {
   "asc_flags": [
-    "--runtime half",
+    "--runtime none",
     "--use ASC_RTRACE=1"
   ]
 }
diff --git a/tests/compiler/exports.untouched.wat b/tests/compiler/exports.untouched.wat
index 482b3b2b..1284679a 100644
--- a/tests/compiler/exports.untouched.wat
+++ b/tests/compiler/exports.untouched.wat
@@ -17,7 +17,7 @@
  (global $exports/outer.inner.a i32 (i32.const 42))
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (global $~lib/argc (mut i32) (i32.const 0))
  (global $exports/Car i32 (i32.const 3))
  (global $exports/vehicles.Car i32 (i32.const 4))
@@ -231,7 +231,7 @@
   nop
  )
  (func $start (; 15 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/getter-call.untouched.wat b/tests/compiler/getter-call.untouched.wat
index 6b77d6ed..fa86224e 100644
--- a/tests/compiler/getter-call.untouched.wat
+++ b/tests/compiler/getter-call.untouched.wat
@@ -10,7 +10,7 @@
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (export "test" (func $getter-call/test))
  (start $start)
@@ -149,7 +149,7 @@
   local.get $1
  )
  (func $start (; 7 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/inlining.untouched.wat b/tests/compiler/inlining.untouched.wat
index e30071b5..1c6969db 100644
--- a/tests/compiler/inlining.untouched.wat
+++ b/tests/compiler/inlining.untouched.wat
@@ -14,7 +14,7 @@
  (global $~lib/argc (mut i32) (i32.const 0))
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 48))
+ (global $~lib/heap/__heap_base i32 (i32.const 48))
  (export "memory" (memory $0))
  (export "test" (func $inlining/test))
  (start $start)
@@ -518,7 +518,7 @@
    unreachable
   end
   call $inlining/test_funcs
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/memset.ts b/tests/compiler/memset.ts
index f1c028fe..5379fd82 100644
--- a/tests/compiler/memset.ts
+++ b/tests/compiler/memset.ts
@@ -66,7 +66,7 @@ function memset(dest: usize, c: u8, n: usize): usize {
   return ret;
 }
 
-var dest = HEAP_BASE;
+var dest = __heap_base;
 memset(dest, 1, 16);
 
 assert(load<u8>(dest) == 1);
diff --git a/tests/compiler/memset.untouched.wat b/tests/compiler/memset.untouched.wat
index 397e63c0..e9ebe3ba 100644
--- a/tests/compiler/memset.untouched.wat
+++ b/tests/compiler/memset.untouched.wat
@@ -8,7 +8,7 @@
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $memset/dest (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 44))
+ (global $~lib/heap/__heap_base i32 (i32.const 44))
  (export "memory" (memory $0))
  (start $start)
  (func $memset/memset (; 1 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
@@ -274,7 +274,7 @@
   local.get $3
  )
  (func $start:memset (; 2 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   global.set $memset/dest
   global.get $memset/dest
   i32.const 1
diff --git a/tests/compiler/number.untouched.wat b/tests/compiler/number.untouched.wat
index 4b8fd96a..eca663d2 100644
--- a/tests/compiler/number.untouched.wat
+++ b/tests/compiler/number.untouched.wat
@@ -58,7 +58,7 @@
  (global $~lib/builtins/f64.MIN_SAFE_INTEGER f64 (f64.const -9007199254740991))
  (global $~lib/builtins/f64.MAX_SAFE_INTEGER f64 (f64.const 9007199254740991))
  (global $~lib/builtins/f64.EPSILON f64 (f64.const 2.220446049250313e-16))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 1956))
+ (global $~lib/heap/__heap_base i32 (i32.const 1956))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__retain (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -3636,7 +3636,7 @@
   (local $8 i32)
   (local $9 i32)
   (local $10 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/optional-typeparameters.untouched.wat b/tests/compiler/optional-typeparameters.untouched.wat
index f4aff580..a95982f0 100644
--- a/tests/compiler/optional-typeparameters.untouched.wat
+++ b/tests/compiler/optional-typeparameters.untouched.wat
@@ -11,7 +11,7 @@
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $optional-typeparameters/tConcrete (mut i32) (i32.const 0))
  (global $optional-typeparameters/tDerived (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (start $start)
  (func $optional-typeparameters/testConcrete<i32,i32> (; 0 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -156,7 +156,7 @@
   i32.const 2
   call $optional-typeparameters/testDerived<i32,i32>
   drop
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/rc/global-init.untouched.wat b/tests/compiler/rc/global-init.untouched.wat
index 58134718..ee4ba17c 100644
--- a/tests/compiler/rc/global-init.untouched.wat
+++ b/tests/compiler/rc/global-init.untouched.wat
@@ -30,8 +30,8 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 272))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 300))
+ (global $~lib/rt/__rtti_base i32 (i32.const 272))
+ (global $~lib/heap/__heap_base i32 (i32.const 300))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/pure/increment (; 5 ;) (type $FUNCSIG$vi) (param $0 i32)
@@ -85,7 +85,7 @@
  )
  (func $~lib/rt/pure/__retain (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -712,7 +712,7 @@
  )
  (func $~lib/rt/__typeinfo (; 11 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -898,7 +898,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -3139,7 +3139,7 @@
  )
  (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3314,7 +3314,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/rc/local-init.untouched.wat b/tests/compiler/rc/local-init.untouched.wat
index 0d73932e..05e49cbe 100644
--- a/tests/compiler/rc/local-init.untouched.wat
+++ b/tests/compiler/rc/local-init.untouched.wat
@@ -28,8 +28,8 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 272))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 308))
+ (global $~lib/rt/__rtti_base i32 (i32.const 272))
+ (global $~lib/heap/__heap_base i32 (i32.const 308))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/pure/increment (; 5 ;) (type $FUNCSIG$vi) (param $0 i32)
@@ -83,7 +83,7 @@
  )
  (func $~lib/rt/pure/__retain (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -706,7 +706,7 @@
  )
  (func $~lib/rt/__typeinfo (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -892,7 +892,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -3133,7 +3133,7 @@
  )
  (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3307,7 +3307,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/rc/logical-and-mismatch.untouched.wat b/tests/compiler/rc/logical-and-mismatch.untouched.wat
index 6fabee37..c6114f86 100644
--- a/tests/compiler/rc/logical-and-mismatch.untouched.wat
+++ b/tests/compiler/rc/logical-and-mismatch.untouched.wat
@@ -28,8 +28,8 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 292))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
+ (global $~lib/heap/__heap_base i32 (i32.const 292))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -777,7 +777,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1430,7 +1430,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1487,7 +1487,7 @@
  )
  (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3149,7 +3149,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3347,7 +3347,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/rc/logical-or-mismatch.untouched.wat b/tests/compiler/rc/logical-or-mismatch.untouched.wat
index 4b43b272..a5069543 100644
--- a/tests/compiler/rc/logical-or-mismatch.untouched.wat
+++ b/tests/compiler/rc/logical-or-mismatch.untouched.wat
@@ -28,8 +28,8 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 292))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
+ (global $~lib/heap/__heap_base i32 (i32.const 292))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -777,7 +777,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1430,7 +1430,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1487,7 +1487,7 @@
  )
  (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3149,7 +3149,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3347,7 +3347,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/rc/rereturn.optimized.wat b/tests/compiler/rc/rereturn.optimized.wat
index 7dd52e46..7ba85c80 100644
--- a/tests/compiler/rc/rereturn.optimized.wat
+++ b/tests/compiler/rc/rereturn.optimized.wat
@@ -18,13 +18,13 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 1 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
diff --git a/tests/compiler/rc/rereturn.untouched.wat b/tests/compiler/rc/rereturn.untouched.wat
index a2e9e495..4e97d973 100644
--- a/tests/compiler/rc/rereturn.untouched.wat
+++ b/tests/compiler/rc/rereturn.untouched.wat
@@ -23,14 +23,14 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 292))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
+ (global $~lib/heap/__heap_base i32 (i32.const 292))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 1 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
@@ -777,7 +777,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1426,7 +1426,7 @@
  )
  (func $~lib/rt/pure/__retain (; 12 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1465,7 +1465,7 @@
  )
  (func $~lib/rt/__typeinfo (; 14 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3117,7 +3117,7 @@
  )
  (func $~lib/rt/pure/__release (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3423,7 +3423,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/rc/ternary-mismatch.untouched.wat b/tests/compiler/rc/ternary-mismatch.untouched.wat
index 6d763b4a..7c15cab1 100644
--- a/tests/compiler/rc/ternary-mismatch.untouched.wat
+++ b/tests/compiler/rc/ternary-mismatch.untouched.wat
@@ -28,8 +28,8 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 292))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
+ (global $~lib/heap/__heap_base i32 (i32.const 292))
  (export "memory" (memory $0))
  (export "test1" (func $rc/ternary-mismatch/test1))
  (export "test2" (func $rc/ternary-mismatch/test2))
@@ -779,7 +779,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1432,7 +1432,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1498,7 +1498,7 @@
  )
  (func $~lib/rt/__typeinfo (; 21 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3160,7 +3160,7 @@
  )
  (func $~lib/rt/pure/__release (; 28 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3323,7 +3323,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/retain-release-sanity.untouched.wat b/tests/compiler/retain-release-sanity.untouched.wat
index ec44ee1e..bc2bb378 100644
--- a/tests/compiler/retain-release-sanity.untouched.wat
+++ b/tests/compiler/retain-release-sanity.untouched.wat
@@ -37,8 +37,8 @@
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 680))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 748))
+ (global $~lib/rt/__rtti_base i32 (i32.const 680))
+ (global $~lib/heap/__heap_base i32 (i32.const 748))
  (export "memory" (memory $0))
  (export "main" (func $retain-release-sanity/main))
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -786,7 +786,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1439,7 +1439,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1480,7 +1480,7 @@
  )
  (func $~lib/rt/__typeinfo (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3142,7 +3142,7 @@
  )
  (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -4587,7 +4587,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/retain-release.untouched.wat b/tests/compiler/retain-release.untouched.wat
index cd08b479..88c66e38 100644
--- a/tests/compiler/retain-release.untouched.wat
+++ b/tests/compiler/retain-release.untouched.wat
@@ -17,7 +17,7 @@
  (global $retain-release/glo (mut i32) (i32.const 0))
  (global $retain-release/TARGET (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 92))
+ (global $~lib/heap/__heap_base i32 (i32.const 92))
  (export "memory" (memory $0))
  (export "returnRef" (func $retain-release/returnRef))
  (export "receiveRef" (func $retain-release/receiveRef))
@@ -177,7 +177,7 @@
   local.get $0
  )
  (func $start:retain-release (; 5 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/rt/flags.untouched.wat b/tests/compiler/rt/flags.untouched.wat
index aa2398b0..54958f42 100644
--- a/tests/compiler/rt/flags.untouched.wat
+++ b/tests/compiler/rt/flags.untouched.wat
@@ -13,12 +13,12 @@
  (elem (i32.const 0) $null)
  (global $rt/flags/VALUE_ALIGN_REF i32 (i32.const 128))
  (global $rt/flags/KEY_ALIGN_REF i32 (i32.const 65536))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 144))
+ (global $~lib/rt/__rtti_base i32 (i32.const 144))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/__typeinfo (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
diff --git a/tests/compiler/rt/instanceof.untouched.wat b/tests/compiler/rt/instanceof.untouched.wat
index 8f8ed4c3..79531bf7 100644
--- a/tests/compiler/rt/instanceof.untouched.wat
+++ b/tests/compiler/rt/instanceof.untouched.wat
@@ -21,8 +21,8 @@
  (global $rt/instanceof/nullCat (mut i32) (i32.const 0))
  (global $rt/instanceof/nullBlackcat (mut i32) (i32.const 0))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 56))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 108))
+ (global $~lib/rt/__rtti_base i32 (i32.const 56))
+ (global $~lib/heap/__heap_base i32 (i32.const 108))
  (export "memory" (memory $0))
  (export "main" (func $rt/instanceof/main))
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -174,7 +174,7 @@
   i32.sub
   i32.load offset=8
   local.set $2
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $3
   local.get $2
   local.get $3
@@ -205,7 +205,7 @@
  )
  (func $start:rt/instanceof (; 7 ;) (type $FUNCSIG$v)
   (local $0 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/runtime-full.optimized.wat b/tests/compiler/runtime-full.optimized.wat
index ed8965a0..d76b4910 100644
--- a/tests/compiler/runtime-full.optimized.wat
+++ b/tests/compiler/runtime-full.optimized.wat
@@ -18,13 +18,13 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (func $~lib/rt/tlsf/removeBlock (; 1 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
diff --git a/tests/compiler/runtime-full.untouched.wat b/tests/compiler/runtime-full.untouched.wat
index 56bf0c71..c639a3dd 100644
--- a/tests/compiler/runtime-full.untouched.wat
+++ b/tests/compiler/runtime-full.untouched.wat
@@ -22,14 +22,14 @@
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 256))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 284))
+ (global $~lib/rt/__rtti_base i32 (i32.const 256))
+ (global $~lib/heap/__heap_base i32 (i32.const 284))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (func $~lib/rt/tlsf/removeBlock (; 1 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -775,7 +775,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1424,7 +1424,7 @@
  )
  (func $~lib/rt/pure/__retain (; 12 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1463,7 +1463,7 @@
  )
  (func $~lib/rt/__typeinfo (; 14 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3115,7 +3115,7 @@
  )
  (func $~lib/rt/pure/__release (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3395,7 +3395,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/runtime-stub.optimized.wat b/tests/compiler/runtime-stub.optimized.wat
index b1ccf693..2de8c795 100644
--- a/tests/compiler/runtime-stub.optimized.wat
+++ b/tests/compiler/runtime-stub.optimized.wat
@@ -7,13 +7,13 @@
  (data (i32.const 8) "\03\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10")
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 8))
+ (global $~lib/rt/__rtti_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/stub/__alloc))
  (export "__retain" (func $~lib/rt/stub/__retain))
  (export "__release" (func $~lib/rt/stub/__release))
  (export "__collect" (func $~lib/rt/stub/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
diff --git a/tests/compiler/runtime-stub.untouched.wat b/tests/compiler/runtime-stub.untouched.wat
index e5e19bc3..6d48c477 100644
--- a/tests/compiler/runtime-stub.untouched.wat
+++ b/tests/compiler/runtime-stub.untouched.wat
@@ -9,14 +9,14 @@
  (elem (i32.const 0) $null)
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 8))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 36))
+ (global $~lib/rt/__rtti_base i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 36))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/stub/__alloc))
  (export "__retain" (func $~lib/rt/stub/__retain))
  (export "__release" (func $~lib/rt/stub/__release))
  (export "__collect" (func $~lib/rt/stub/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
@@ -120,7 +120,7 @@
   nop
  )
  (func $start (; 4 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/array-literal.untouched.wat b/tests/compiler/std/array-literal.untouched.wat
index bef62e90..c84d58e3 100644
--- a/tests/compiler/std/array-literal.untouched.wat
+++ b/tests/compiler/std/array-literal.untouched.wat
@@ -43,8 +43,8 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 528))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 604))
+ (global $~lib/rt/__rtti_base i32 (i32.const 528))
+ (global $~lib/heap/__heap_base i32 (i32.const 604))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/array/Array<i8>#get:length (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -856,7 +856,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1509,7 +1509,7 @@
  )
  (func $~lib/rt/pure/__retain (; 22 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3038,7 +3038,7 @@
  )
  (func $~lib/rt/__typeinfo (; 31 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3282,7 +3282,7 @@
  )
  (func $~lib/rt/pure/__release (; 36 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -3850,7 +3850,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/std/array.optimized.wat b/tests/compiler/std/array.optimized.wat
index a9e75a11..3c7ae0e9 100644
--- a/tests/compiler/std/array.optimized.wat
+++ b/tests/compiler/std/array.optimized.wat
@@ -232,13 +232,13 @@
  (global $~lib/util/number/_frc_pow (mut i64) (i64.const 0))
  (global $~lib/util/number/_exp_pow (mut i32) (i32.const 0))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 7248))
+ (global $~lib/rt/__rtti_base i32 (i32.const 7248))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "main" (func $std/array/main))
  (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
diff --git a/tests/compiler/std/array.untouched.wat b/tests/compiler/std/array.untouched.wat
index b63e92e6..a9562fa7 100644
--- a/tests/compiler/std/array.untouched.wat
+++ b/tests/compiler/std/array.untouched.wat
@@ -235,14 +235,14 @@
  (global $~lib/builtins/u32.MAX_VALUE i32 (i32.const -1))
  (global $~lib/builtins/i64.MAX_VALUE i64 (i64.const 9223372036854775807))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 7696))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 7908))
+ (global $~lib/rt/__rtti_base i32 (i32.const 7696))
+ (global $~lib/heap/__heap_base i32 (i32.const 7908))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__retain" (func $~lib/rt/pure/__retain))
  (export "__release" (func $~lib/rt/pure/__release))
  (export "__collect" (func $~lib/rt/pure/__collect))
- (export "__rtti" (global $~lib/rt/RTTI_BASE))
+ (export "__rtti_base" (global $~lib/rt/__rtti_base))
  (export "main" (func $std/array/main))
  (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
@@ -989,7 +989,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1642,7 +1642,7 @@
  )
  (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1683,7 +1683,7 @@
  )
  (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3345,7 +3345,7 @@
  )
  (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -24031,7 +24031,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/std/arraybuffer.untouched.wat b/tests/compiler/std/arraybuffer.untouched.wat
index 3154123f..6dcf692c 100644
--- a/tests/compiler/std/arraybuffer.untouched.wat
+++ b/tests/compiler/std/arraybuffer.untouched.wat
@@ -23,7 +23,7 @@
  (global $std/arraybuffer/sliced (mut i32) (i32.const 0))
  (global $std/arraybuffer/arr8 (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 240))
+ (global $~lib/heap/__heap_base i32 (i32.const 240))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -2974,7 +2974,7 @@
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/dataview.untouched.wat b/tests/compiler/std/dataview.untouched.wat
index 51f2aa26..6c07b12e 100644
--- a/tests/compiler/std/dataview.untouched.wat
+++ b/tests/compiler/std/dataview.untouched.wat
@@ -29,7 +29,7 @@
  (global $std/dataview/array (mut i32) (i32.const 0))
  (global $std/dataview/view (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 320))
+ (global $~lib/heap/__heap_base i32 (i32.const 320))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -1141,7 +1141,7 @@
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/date.untouched.wat b/tests/compiler/std/date.untouched.wat
index a6a76476..ad6e7da3 100644
--- a/tests/compiler/std/date.untouched.wat
+++ b/tests/compiler/std/date.untouched.wat
@@ -19,7 +19,7 @@
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $std/date/date (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 48))
+ (global $~lib/heap/__heap_base i32 (i32.const 48))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 3 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -283,7 +283,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/map.untouched.wat b/tests/compiler/std/map.untouched.wat
index 6d96cc23..aa051bb8 100644
--- a/tests/compiler/std/map.untouched.wat
+++ b/tests/compiler/std/map.untouched.wat
@@ -39,8 +39,8 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 400))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 508))
+ (global $~lib/rt/__rtti_base i32 (i32.const 400))
+ (global $~lib/heap/__heap_base i32 (i32.const 508))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -788,7 +788,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1441,7 +1441,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1769,7 +1769,7 @@
  )
  (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3431,7 +3431,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -12561,7 +12561,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/std/new.untouched.wat b/tests/compiler/std/new.untouched.wat
index 00747a82..d3182e92 100644
--- a/tests/compiler/std/new.untouched.wat
+++ b/tests/compiler/std/new.untouched.wat
@@ -10,7 +10,7 @@
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $std/new/aClass (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 8))
+ (global $~lib/heap/__heap_base i32 (i32.const 8))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -138,7 +138,7 @@
   local.get $0
  )
  (func $start:std/new (; 3 ;) (type $FUNCSIG$v)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/object-literal.untouched.wat b/tests/compiler/std/object-literal.untouched.wat
index 1388f5ec..507c5536 100644
--- a/tests/compiler/std/object-literal.untouched.wat
+++ b/tests/compiler/std/object-literal.untouched.wat
@@ -13,7 +13,7 @@
  (elem (i32.const 0) $null)
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 108))
+ (global $~lib/heap/__heap_base i32 (i32.const 108))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -331,7 +331,7 @@
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/operator-overloading.untouched.wat b/tests/compiler/std/operator-overloading.untouched.wat
index 09623d5d..dfedd2fd 100644
--- a/tests/compiler/std/operator-overloading.untouched.wat
+++ b/tests/compiler/std/operator-overloading.untouched.wat
@@ -81,7 +81,7 @@
  (global $std/operator-overloading/aii1 (mut i32) (i32.const 0))
  (global $std/operator-overloading/aii2 (mut i32) (i32.const 0))
  (global $std/operator-overloading/aii (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 80))
+ (global $~lib/heap/__heap_base i32 (i32.const 80))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -2129,7 +2129,7 @@
   (local $21 i32)
   (local $22 i32)
   (local $23 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/set.untouched.wat b/tests/compiler/std/set.untouched.wat
index ba976195..0752b238 100644
--- a/tests/compiler/std/set.untouched.wat
+++ b/tests/compiler/std/set.untouched.wat
@@ -39,8 +39,8 @@
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 400))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 508))
+ (global $~lib/rt/__rtti_base i32 (i32.const 400))
+ (global $~lib/heap/__heap_base i32 (i32.const 508))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -788,7 +788,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1441,7 +1441,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1769,7 +1769,7 @@
  )
  (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3431,7 +3431,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -11325,7 +11325,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/std/static-array.untouched.wat b/tests/compiler/std/static-array.untouched.wat
index 26516841..ec02fc8a 100644
--- a/tests/compiler/std/static-array.untouched.wat
+++ b/tests/compiler/std/static-array.untouched.wat
@@ -33,7 +33,7 @@
  (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 452))
+ (global $~lib/heap/__heap_base i32 (i32.const 452))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/array/Array<i32>#get:length (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -2224,7 +2224,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/string-utf8.untouched.wat b/tests/compiler/std/string-utf8.untouched.wat
index e90dd64c..1fa46698 100644
--- a/tests/compiler/std/string-utf8.untouched.wat
+++ b/tests/compiler/std/string-utf8.untouched.wat
@@ -24,7 +24,7 @@
  (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
  (global $std/string-utf8/ptr (mut i32) (i32.const 0))
  (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 252))
+ (global $~lib/heap/__heap_base i32 (i32.const 252))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/string/String#get:length (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -2341,7 +2341,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/string.untouched.wat b/tests/compiler/std/string.untouched.wat
index 4cfa93ac..640e247a 100644
--- a/tests/compiler/std/string.untouched.wat
+++ b/tests/compiler/std/string.untouched.wat
@@ -208,8 +208,8 @@
  (global $~lib/builtins/f64.EPSILON f64 (f64.const 2.220446049250313e-16))
  (global $~lib/builtins/f64.MAX_VALUE f64 (f64.const 1797693134862315708145274e284))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 7032))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 7100))
+ (global $~lib/rt/__rtti_base i32 (i32.const 7032))
+ (global $~lib/heap/__heap_base i32 (i32.const 7100))
  (export "memory" (memory $0))
  (export "getString" (func $std/string/getString))
  (export "main" (func $std/string/main))
@@ -288,7 +288,7 @@
  )
  (func $~lib/rt/pure/__retain (; 8 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -911,7 +911,7 @@
  )
  (func $~lib/rt/__typeinfo (; 12 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -1097,7 +1097,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -3338,7 +3338,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -12315,7 +12315,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return
diff --git a/tests/compiler/std/symbol.untouched.wat b/tests/compiler/std/symbol.untouched.wat
index 8cb87c5d..3e851935 100644
--- a/tests/compiler/std/symbol.untouched.wat
+++ b/tests/compiler/std/symbol.untouched.wat
@@ -53,7 +53,7 @@
  (global $std/symbol/hasInstance (mut i32) (i32.const 0))
  (global $~lib/symbol/_Symbol.isConcatSpreadable i32 (i32.const 2))
  (global $std/symbol/isConcatSpreadable (mut i32) (i32.const 0))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 884))
+ (global $~lib/heap/__heap_base i32 (i32.const 884))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/stub/__retain (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -3654,7 +3654,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
diff --git a/tests/compiler/std/typedarray.untouched.wat b/tests/compiler/std/typedarray.untouched.wat
index 574f9931..e95270a3 100644
--- a/tests/compiler/std/typedarray.untouched.wat
+++ b/tests/compiler/std/typedarray.untouched.wat
@@ -102,8 +102,8 @@
  (global $std/typedarray/forEachValues (mut i32) (i32.const 1112))
  (global $std/typedarray/testArrayReverseValues (mut i32) (i32.const 1480))
  (global $~lib/started (mut i32) (i32.const 0))
- (global $~lib/rt/RTTI_BASE i32 (i32.const 1688))
- (global $~lib/heap/HEAP_BASE i32 (i32.const 1820))
+ (global $~lib/rt/__rtti_base i32 (i32.const 1688))
+ (global $~lib/heap/__heap_base i32 (i32.const 1820))
  (export "memory" (memory $0))
  (export "main" (func $std/typedarray/main))
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -851,7 +851,7 @@
   (local $7 i32)
   (local $8 i32)
   (local $9 i32)
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.const 15
   i32.add
   i32.const 15
@@ -1504,7 +1504,7 @@
  )
  (func $~lib/rt/pure/__retain (; 16 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -1545,7 +1545,7 @@
  )
  (func $~lib/rt/__typeinfo (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
-  global.get $~lib/rt/RTTI_BASE
+  global.get $~lib/rt/__rtti_base
   local.set $1
   local.get $0
   local.get $1
@@ -3207,7 +3207,7 @@
  )
  (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.gt_u
   if
    local.get $0
@@ -23600,7 +23600,7 @@
   (local $2 i32)
   (local $3 i32)
   local.get $0
-  global.get $~lib/heap/HEAP_BASE
+  global.get $~lib/heap/__heap_base
   i32.lt_u
   if
    return