diff --git a/src/diagnostics.ts b/src/diagnostics.ts
index 2eff86a3..9368bf94 100644
--- a/src/diagnostics.ts
+++ b/src/diagnostics.ts
@@ -280,8 +280,8 @@ export abstract class DiagnosticEmitter {
     var message = DiagnosticMessage.create(code, category, arg0, arg1, arg2).withRange(range);
     if (relatedRange) message.relatedRange = relatedRange;
     this.diagnostics.push(message);
-    console.log(formatDiagnosticMessage(message, true, true) + "\n"); // temporary
-    console.log(<string>new Error("stack").stack);
+    // console.log(formatDiagnosticMessage(message, true, true) + "\n"); // temporary
+    // console.log(<string>new Error("stack").stack);
   }
 
   /** Emits an informatory diagnostic message. */
diff --git a/std/assembly/array.ts b/std/assembly/array.ts
index cbe441e7..ef3fa4ad 100644
--- a/std/assembly/array.ts
+++ b/std/assembly/array.ts
@@ -4,13 +4,13 @@ import { COMPARATOR, SORT } from "./util/sort";
 import { itoa, dtoa, itoa_stream, dtoa_stream, MAX_DOUBLE_LENGTH } from "./util/number";
 import { isArray as builtin_isArray } from "./builtins";
 
-/** Ensures that the given array has _at least_ the specified length. */
-function ensureLength(array: ArrayBufferView, length: i32, alignLog2: u32): void {
+/** Ensures that the given array has _at least_ the specified capacity. */
+function ensureCapacity(array: ArrayBufferView, minCapacity: i32, alignLog2: u32): void {
   var oldData = array.data;
   var oldCapacity = oldData.byteLength >>> alignLog2;
-  if (<u32>length > <u32>oldCapacity) {
-    if (<u32>length > <u32>(MAX_BYTELENGTH >>> alignLog2)) throw new RangeError("Invalid array length");
-    let newByteLength = length << alignLog2;
+  if (<u32>minCapacity > <u32>oldCapacity) {
+    if (<u32>minCapacity > <u32>(MAX_BYTELENGTH >>> alignLog2)) throw new RangeError("Invalid array length");
+    let newByteLength = minCapacity << alignLog2;
     let newData = REALLOCATE(changetype<usize>(oldData), <usize>newByteLength); // registers on move
     if (newData !== changetype<usize>(oldData)) {
       array.data = changetype<ArrayBuffer>(newData); // links
@@ -41,7 +41,7 @@ export class Array<T> extends ArrayBufferView {
   }
 
   set length(length: i32) {
-    ensureLength(changetype<ArrayBufferView>(this), length, alignof<T>());
+    ensureCapacity(this, length, alignof<T>());
     this.length_ = length;
   }
 
@@ -61,7 +61,7 @@ export class Array<T> extends ArrayBufferView {
 
   @operator("[]=")
   private __set(index: i32, value: T): void { // unchecked is built-in
-    ensureLength(changetype<ArrayBufferView>(this), index + 1, alignof<T>());
+    ensureCapacity(this, index + 1, alignof<T>());
     store<T>(this.dataStart + (<usize>index << alignof<T>()), value);
     if (isManaged<T>()) LINK(value, this);
     if (index >= this.length_) this.length_ = index + 1;
@@ -119,7 +119,7 @@ export class Array<T> extends ArrayBufferView {
 
   push(element: T): i32 {
     var newLength = this.length_ + 1;
-    ensureLength(changetype<ArrayBufferView>(this), newLength, alignof<T>());
+    ensureCapacity(this, newLength, alignof<T>());
     this.length_ = newLength;
     store<T>(this.dataStart + (<usize>(newLength - 1) << alignof<T>()), element);
     if (isManaged<T>()) LINK(element, this);
@@ -266,7 +266,7 @@ export class Array<T> extends ArrayBufferView {
 
   unshift(element: T): i32 {
     var newLength = this.length_ + 1;
-    ensureLength(changetype<ArrayBufferView>(this), newLength, alignof<T>());
+    ensureCapacity(this, newLength, alignof<T>());
     var base = this.dataStart;
     memory.copy(
       base + sizeof<T>(),
diff --git a/std/assembly/string.ts b/std/assembly/string.ts
index 13ec83c9..139838f7 100644
--- a/std/assembly/string.ts
+++ b/std/assembly/string.ts
@@ -41,13 +41,11 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
   }
 
   charCodeAt(pos: i32): i32 {
-    assert(this !== null);
     if (<u32>pos >= <u32>this.length) return -1; // (NaN)
     return load<u16>(changetype<usize>(this) + (<usize>pos << 1));
   }
 
   codePointAt(pos: i32): i32 {
-    assert(this !== null);
     if (<u32>pos >= <u32>this.length) return -1; // (undefined)
     var first = <i32>load<u16>(changetype<usize>(this) + (<usize>pos << 1));
     if (first < 0xD800 || first > 0xDBFF || pos + 1 == this.length) return first;
@@ -56,13 +54,11 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
     return ((first - 0xD800) << 10) + (second - 0xDC00) + 0x10000;
   }
 
-  @operator("+") static concat(left: String, right: String): String {
-    if (!changetype<usize>(left)) left = changetype<String>("null");
-    return left.concat(right);
+  @operator("+") private static __concat(left: string, right: string): string {
+    return select<string>(left, "null", left !== null).concat(right);
   }
 
   concat(other: String): String {
-    assert(this !== null);
     if (other === null) other = changetype<String>("null");
     var thisSize: isize = this.length << 1;
     var otherSize: isize = other.length << 1;
@@ -85,7 +81,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
     return !compareImpl(this, start, searchString, 0, searchLength);
   }
 
-  @operator("==") static eq(left: String, right: String): bool {
+  @operator("==") private static __eq(left: String, right: String): bool {
     if (left === right) return true;
     if (left === null || right === null) return false;
     var leftLength = left.length;
@@ -94,11 +90,11 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
     return !compareImpl(left, 0, right, 0, leftLength);
   }
 
-  @operator("!=") static ne(left: String, right: String): bool {
-    return !this.eq(left, right);
+  @operator("!=") private static __ne(left: String, right: String): bool {
+    return !this.__eq(left, right);
   }
 
-  @operator(">") static gt(left: String, right: String): bool {
+  @operator(">") private static __gt(left: String, right: String): bool {
     if (left === right || left === null || right === null) return false;
     var leftLength  = left.length;
     var rightLength = right.length;
@@ -108,11 +104,11 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
     return compareImpl(left, 0, right, 0, min(leftLength, rightLength)) > 0;
   }
 
-  @operator(">=") static gte(left: String, right: String): bool {
-    return !this.lt(left, right);
+  @operator(">=") private static __gte(left: String, right: String): bool {
+    return !this.__lt(left, right);
   }
 
-  @operator("<") static lt(left: String, right: String): bool {
+  @operator("<") private static __lt(left: String, right: String): bool {
     if (left === right || left === null || right === null) return false;
     var leftLength  = left.length;
     var rightLength = right.length;
@@ -122,8 +118,8 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
     return compareImpl(left, 0, right, 0, min(leftLength, rightLength)) < 0;
   }
 
-  @operator("<=") static lte(left: String, right: String): bool {
-    return !this.gt(left, right);
+  @operator("<=") private static __lte(left: String, right: String): bool {
+    return !this.__gt(left, right);
   }
 
   @inline includes(searchString: String, position: i32 = 0): bool {
@@ -366,8 +362,8 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
           charStr,
           load<u16>(changetype<usize>(this) + (<usize>i << 1))
         );
-        store<usize>(resultStart + (<usize>i << alignof<usize>()), charStr); // result[i] = charStr
-        LINK(REGISTER<String>(charStr), result);
+        store<usize>(resultStart + (<usize>i << alignof<usize>()), REGISTER<String>(charStr)); // result[i] = charStr
+        if (isManaged<String>()) LINK(changetype<String>(charStr), result);
       }
       return result;
     } else if (!length) {
diff --git a/std/assembly/typedarray.ts b/std/assembly/typedarray.ts
index 53f56016..5bd84687 100644
--- a/std/assembly/typedarray.ts
+++ b/std/assembly/typedarray.ts
@@ -1,4 +1,4 @@
-import { ALLOCATE, REGISTER, LINK, ArrayBufferView } from "./runtime";
+import { ALLOCATE, REGISTER, ArrayBufferView } from "./runtime";
 import { COMPARATOR, SORT as SORT_IMPL } from "./util/sort";
 
 // function clampToByte(value: i32): i32 {
diff --git a/tests/compiler/number.optimized.wat b/tests/compiler/number.optimized.wat
index 2ea6fa0f..3dd9e106 100644
--- a/tests/compiler/number.optimized.wat
+++ b/tests/compiler/number.optimized.wat
@@ -406,7 +406,7 @@
   end
   local.get $3
  )
- (func $~lib/string/String.eq (; 9 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 9 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   local.get $1
@@ -2433,7 +2433,7 @@
   if
    i32.const 0
    i32.const 1648
-   i32.const 190
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2531,7 +2531,7 @@
   global.get $number/a
   call $~lib/util/number/itoa32
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2554,7 +2554,7 @@
   call $~lib/runtime/assertUnregistered
   local.get $0
   i32.const 1696
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2567,7 +2567,7 @@
   i32.const 3
   call $~lib/util/number/itoa32
   i32.const 1712
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2580,7 +2580,7 @@
   i32.const -5
   call $~lib/util/number/itoa32
   i32.const 1728
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2593,7 +2593,7 @@
   i32.const 4
   call $~lib/util/number/itoa32
   i32.const 1744
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2610,7 +2610,7 @@
   global.get $number/a
   call $~lib/util/number/itoa32
   i32.const 1760
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2627,7 +2627,7 @@
   global.get $number/a
   call $~lib/util/number/itoa32
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2639,7 +2639,7 @@
   end
   i32.const 1776
   i32.const 1776
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2651,7 +2651,7 @@
   end
   i32.const 1792
   i32.const 1792
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2669,7 +2669,7 @@
   local.get $0
   call $~lib/util/number/itoa32
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2687,7 +2687,7 @@
   local.get $0
   call $~lib/util/number/itoa32
   i32.const 1760
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/number.untouched.wat b/tests/compiler/number.untouched.wat
index 7c46b1b6..c248e7f2 100644
--- a/tests/compiler/number.untouched.wat
+++ b/tests/compiler/number.untouched.wat
@@ -564,7 +564,7 @@
   end
   local.get $5
  )
- (func $~lib/string/String.eq (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -3416,7 +3416,7 @@
   if
    i32.const 0
    i32.const 1648
-   i32.const 190
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -3706,7 +3706,7 @@
   global.get $number/a
   call $~lib/number/I32#toString
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3719,7 +3719,7 @@
   f64.const 2
   call $~lib/number/F64#toString
   i32.const 1696
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3732,7 +3732,7 @@
   i32.const 3
   call $~lib/number/I32#toString
   i32.const 1712
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3745,7 +3745,7 @@
   i32.const -5
   call $~lib/number/I32#toString
   i32.const 1728
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3758,7 +3758,7 @@
   i32.const 4
   call $~lib/number/I32#toString
   i32.const 1744
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3777,7 +3777,7 @@
   end
   call $~lib/number/I32#toString
   i32.const 1760
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3796,7 +3796,7 @@
   end
   call $~lib/number/I32#toString
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3810,7 +3810,7 @@
   i32.eqz
   call $~lib/number/Bool#toString
   i32.const 1776
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3824,7 +3824,7 @@
   i32.eqz
   call $~lib/number/Bool#toString
   i32.const 1792
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3844,7 +3844,7 @@
   end
   call $~lib/number/I32#toString
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3864,7 +3864,7 @@
   end
   call $~lib/number/I32#toString
   i32.const 1760
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/object-literal.optimized.wat b/tests/compiler/object-literal.optimized.wat
index ca807e09..0f616e20 100644
--- a/tests/compiler/object-literal.optimized.wat
+++ b/tests/compiler/object-literal.optimized.wat
@@ -172,7 +172,7 @@
   end
   local.get $3
  )
- (func $~lib/string/String.eq (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.__eq (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
   i32.const 16
@@ -230,7 +230,7 @@
   end
   local.get $0
   i32.load offset=4
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/object-literal.untouched.wat b/tests/compiler/object-literal.untouched.wat
index 91cf4942..94d788e8 100644
--- a/tests/compiler/object-literal.untouched.wat
+++ b/tests/compiler/object-literal.untouched.wat
@@ -239,7 +239,7 @@
   end
   local.get $5
  )
- (func $~lib/string/String.eq (; 9 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 9 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -300,7 +300,7 @@
   local.get $0
   i32.load offset=4
   i32.const 16
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/array-access.optimized.wat b/tests/compiler/std/array-access.optimized.wat
index 8235a0c1..d3be53d0 100644
--- a/tests/compiler/std/array-access.optimized.wat
+++ b/tests/compiler/std/array-access.optimized.wat
@@ -106,7 +106,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 165
+   i32.const 161
    i32.const 4
    call $~lib/env/abort
    unreachable
diff --git a/tests/compiler/std/array-access.untouched.wat b/tests/compiler/std/array-access.untouched.wat
index 25a0ca71..500f9ca0 100644
--- a/tests/compiler/std/array-access.untouched.wat
+++ b/tests/compiler/std/array-access.untouched.wat
@@ -150,7 +150,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 165
+   i32.const 161
    i32.const 4
    call $~lib/env/abort
    unreachable
diff --git a/tests/compiler/std/array-literal.optimized.wat b/tests/compiler/std/array-literal.optimized.wat
index df11fd73..10b41a31 100644
--- a/tests/compiler/std/array-literal.optimized.wat
+++ b/tests/compiler/std/array-literal.optimized.wat
@@ -1620,7 +1620,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 11 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/array/ensureCapacity (; 11 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   local.get $1
   local.get $0
@@ -1642,7 +1642,7 @@
     i32.const 0
     i32.const 272
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -1674,7 +1674,7 @@
   i32.const 1
   i32.add
   i32.const 0
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $1
   local.get $0
   i32.load offset=4
@@ -1699,7 +1699,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
diff --git a/tests/compiler/std/array-literal.untouched.wat b/tests/compiler/std/array-literal.untouched.wat
index 62d68daa..18b10bde 100644
--- a/tests/compiler/std/array-literal.untouched.wat
+++ b/tests/compiler/std/array-literal.untouched.wat
@@ -2113,7 +2113,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 18 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/array/ensureCapacity (; 18 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2140,7 +2140,7 @@
     i32.const 0
     i32.const 272
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -2180,7 +2180,7 @@
   i32.const 1
   i32.add
   i32.const 0
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -2232,7 +2232,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -2301,7 +2301,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -2374,7 +2374,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
diff --git a/tests/compiler/std/array.optimized.wat b/tests/compiler/std/array.optimized.wat
index 423fa825..da02a44d 100644
--- a/tests/compiler/std/array.optimized.wat
+++ b/tests/compiler/std/array.optimized.wat
@@ -2206,7 +2206,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/ensureCapacity (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -2227,7 +2227,7 @@
     i32.const 0
     i32.const 488
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -2261,7 +2261,7 @@
   i32.const 1
   i32.add
   local.tee $2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   local.get $2
   i32.store offset=12
@@ -2521,7 +2521,7 @@
   i32.const 1
   i32.add
   local.tee $2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.tee $3
@@ -5784,7 +5784,7 @@
   local.get $1
   call $std/array/assertSorted<Array<i32>>
  )
- (func $~lib/string/String.eq (; 106 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 106 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   local.get $1
@@ -5881,7 +5881,7 @@
     i32.lt_u
     select
     i32.load
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     if
      local.get $2
      i32.const 1
@@ -5927,16 +5927,6 @@
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
-  local.get $0
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 3400
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 3440
   local.get $1
@@ -5982,7 +5972,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String.concat (; 110 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 110 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   i32.const 3440
   local.get $0
@@ -6011,7 +6001,7 @@
     f64.floor
     i32.trunc_f64_s
     call $~lib/string/String#charAt
-    call $~lib/string/String.concat
+    call $~lib/string/String.__concat
     local.set $1
     local.get $2
     i32.const 1
@@ -6082,7 +6072,7 @@
   if
    i32.const 0
    i32.const 3400
-   i32.const 190
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -8270,7 +8260,7 @@
   local.get $1
   i32.const 1
   i32.add
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -9399,14 +9389,14 @@
      local.get $0
      i32.const 3512
      call $~lib/array/Array<i32>#join
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $5
     if
      local.get $1
      i32.const 3512
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $4
@@ -9428,7 +9418,7 @@
    local.get $0
    i32.const 3512
    call $~lib/array/Array<i32>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
   else   
    local.get $1
   end
@@ -9632,14 +9622,14 @@
      local.get $1
      local.get $0
      call $~lib/array/Array<u8>#join_int
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $5
     if
      local.get $1
      i32.const 3512
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $4
@@ -9660,7 +9650,7 @@
    local.get $1
    local.get $0
    call $~lib/array/Array<u8>#join_int
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
   else   
    local.get $1
   end
@@ -9724,14 +9714,14 @@
      local.get $0
      i32.const 3512
      call $~lib/array/Array<u32>#join
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $5
     if
      local.get $1
      i32.const 3512
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $4
@@ -9753,7 +9743,7 @@
    local.get $0
    i32.const 3512
    call $~lib/array/Array<u32>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
   else   
    local.get $1
   end
@@ -9815,14 +9805,14 @@
      local.get $1
      local.get $0
      call $~lib/array/Array<Array<u32>>#join_arr
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $5
     if
      local.get $1
      i32.const 3512
-     call $~lib/string/String.concat
+     call $~lib/string/String.__concat
      local.set $1
     end
     local.get $4
@@ -9843,7 +9833,7 @@
    local.get $1
    local.get $0
    call $~lib/array/Array<Array<u32>>#join_arr
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
   else   
    local.get $1
   end
@@ -14034,7 +14024,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<bool>#join_bool
   i32.const 3544
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14051,7 +14041,7 @@
   i32.const 3264
   call $~lib/array/Array<i32>#join
   i32.const 4072
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14068,7 +14058,7 @@
   i32.const 4120
   call $~lib/array/Array<u32>#join
   i32.const 4072
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14085,7 +14075,7 @@
   i32.const 4176
   call $~lib/array/Array<i32>#join
   i32.const 4208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14101,7 +14091,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<f64>#join_flt
   i32.const 5488
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14118,7 +14108,7 @@
   i32.const 3264
   call $~lib/array/Array<String>#join
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14158,7 +14148,7 @@
   global.get $std/array/refArr
   call $~lib/array/Array<Ref | null>#join_ref
   i32.const 5680
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14171,7 +14161,7 @@
   global.get $std/array/reversed0
   call $~lib/array/Array<i32>#toString
   i32.const 3264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14184,7 +14174,7 @@
   global.get $std/array/reversed1
   call $~lib/array/Array<i32>#toString
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14197,7 +14187,7 @@
   global.get $std/array/reversed2
   call $~lib/array/Array<i32>#toString
   i32.const 5752
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14210,7 +14200,7 @@
   global.get $std/array/reversed4
   call $~lib/array/Array<i32>#toString
   i32.const 5768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14226,7 +14216,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<i8>#join_int
   i32.const 5824
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14242,7 +14232,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<u16>#join_int
   i32.const 5880
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14258,7 +14248,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<u64>#join_int
   i32.const 5976
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14274,7 +14264,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<i64>#join_int
   i32.const 6112
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14287,7 +14277,7 @@
   global.get $std/array/randomStringsExpected
   call $~lib/array/Array<String>#toString
   i32.const 6208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14303,7 +14293,7 @@
   call $~lib/runtime/doWrapArray
   call $~lib/array/Array<String>#toString
   i32.const 6328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14334,7 +14324,7 @@
   global.get $std/array/subarr32
   call $~lib/array/Array<Array<i32>>#join_arr
   i32.const 6384
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14376,7 +14366,7 @@
   global.get $std/array/subarr8
   call $~lib/array/Array<Array<u8>>#join_arr
   i32.const 6384
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -14428,7 +14418,7 @@
   global.get $std/array/subarrU32
   call $~lib/array/Array<Array<Array<u32>>>#join_arr
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/array.untouched.wat b/tests/compiler/std/array.untouched.wat
index 4ebd5352..c3d97676 100644
--- a/tests/compiler/std/array.untouched.wat
+++ b/tests/compiler/std/array.untouched.wat
@@ -2828,7 +2828,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 34 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/array/ensureCapacity (; 34 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2855,7 +2855,7 @@
     i32.const 0
     i32.const 488
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -2899,7 +2899,7 @@
   local.get $0
   local.get $2
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   local.get $2
   i32.store offset=12
@@ -3276,7 +3276,7 @@
   local.get $0
   local.get $2
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.set $3
@@ -8631,7 +8631,7 @@
   local.get $1
   call $std/array/assertSorted<String>
  )
- (func $~lib/string/String.eq (; 169 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 169 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -8675,10 +8675,10 @@
   call $~lib/util/string/compareImpl
   i32.eqz
  )
- (func $~lib/string/String.ne (; 170 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__ne (; 170 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
  )
  (func $std/array/isArraysEqual<String> (; 171 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
@@ -8746,7 +8746,7 @@
     i32.lt_u
     select
     i32.load
-    call $~lib/string/String.ne
+    call $~lib/string/String.__ne
     if
      i32.const 0
      return
@@ -8839,18 +8839,6 @@
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
-  local.get $0
-  i32.const 0
-  i32.ne
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 3400
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 0
   i32.eq
@@ -8904,14 +8892,13 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/string/String.concat (; 175 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 175 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
-  i32.eqz
-  if
-   i32.const 3440
-   local.set $0
-  end
+  i32.const 3440
   local.get $0
+  i32.const 0
+  i32.ne
+  select
   local.get $1
   call $~lib/string/String#concat
  )
@@ -8944,7 +8931,7 @@
     end
     i32.trunc_f64_s
     call $~lib/string/String#charAt
-    call $~lib/string/String.concat
+    call $~lib/string/String.__concat
     local.set $1
     local.get $2
     i32.const 1
@@ -9023,7 +9010,7 @@
   if
    i32.const 0
    i32.const 3400
-   i32.const 190
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -11951,7 +11938,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -13463,7 +13450,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -13550,14 +13537,14 @@
       local.get $6
       local.get $1
       call $~lib/array/Array<i32>#join
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
      local.get $4
      if
       local.get $3
       local.get $1
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
     end
@@ -13583,7 +13570,7 @@
    local.get $6
    local.get $1
    call $~lib/array/Array<i32>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
    local.set $3
   end
   local.get $3
@@ -13630,7 +13617,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -13921,14 +13908,14 @@
       local.get $6
       local.get $1
       call $~lib/array/Array<u8>#join
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
      local.get $4
      if
       local.get $3
       local.get $1
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
     end
@@ -13954,7 +13941,7 @@
    local.get $6
    local.get $1
    call $~lib/array/Array<u8>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
    local.set $3
   end
   local.get $3
@@ -14001,7 +13988,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -14053,7 +14040,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -14140,14 +14127,14 @@
       local.get $6
       local.get $1
       call $~lib/array/Array<u32>#join
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
      local.get $4
      if
       local.get $3
       local.get $1
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
     end
@@ -14173,7 +14160,7 @@
    local.get $6
    local.get $1
    call $~lib/array/Array<u32>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
    local.set $3
   end
   local.get $3
@@ -14250,14 +14237,14 @@
       local.get $6
       local.get $1
       call $~lib/array/Array<Array<u32>>#join
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
      local.get $4
      if
       local.get $3
       local.get $1
-      call $~lib/string/String.concat
+      call $~lib/string/String.__concat
       local.set $3
      end
     end
@@ -14283,7 +14270,7 @@
    local.get $6
    local.get $1
    call $~lib/array/Array<Array<u32>>#join
-   call $~lib/string/String.concat
+   call $~lib/string/String.__concat
    local.set $3
   end
   local.get $3
@@ -19144,7 +19131,7 @@
   i32.const 3512
   call $~lib/array/Array<bool>#join
   i32.const 3544
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19165,7 +19152,7 @@
   i32.const 3264
   call $~lib/array/Array<i32>#join
   i32.const 4072
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19186,7 +19173,7 @@
   i32.const 4120
   call $~lib/array/Array<u32>#join
   i32.const 4072
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19207,7 +19194,7 @@
   i32.const 4176
   call $~lib/array/Array<i32>#join
   i32.const 4208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19228,7 +19215,7 @@
   i32.const 4320
   call $~lib/array/Array<f64>#join
   i32.const 5488
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19249,7 +19236,7 @@
   i32.const 3264
   call $~lib/array/Array<String>#join
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19285,7 +19272,7 @@
   i32.const 3512
   call $~lib/array/Array<Ref | null>#join
   i32.const 5680
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19298,7 +19285,7 @@
   global.get $std/array/reversed0
   call $~lib/array/Array<i32>#toString
   i32.const 3264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19311,7 +19298,7 @@
   global.get $std/array/reversed1
   call $~lib/array/Array<i32>#toString
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19324,7 +19311,7 @@
   global.get $std/array/reversed2
   call $~lib/array/Array<i32>#toString
   i32.const 5752
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19337,7 +19324,7 @@
   global.get $std/array/reversed4
   call $~lib/array/Array<i32>#toString
   i32.const 5768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19357,7 +19344,7 @@
   end
   call $~lib/array/Array<i8>#toString
   i32.const 5824
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19377,7 +19364,7 @@
   end
   call $~lib/array/Array<u16>#toString
   i32.const 5880
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19397,7 +19384,7 @@
   end
   call $~lib/array/Array<u64>#toString
   i32.const 5976
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19417,7 +19404,7 @@
   end
   call $~lib/array/Array<i64>#toString
   i32.const 6112
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19430,7 +19417,7 @@
   global.get $std/array/randomStringsExpected
   call $~lib/array/Array<String>#toString
   i32.const 6208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19450,7 +19437,7 @@
   end
   call $~lib/array/Array<String>#toString
   i32.const 6328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19493,7 +19480,7 @@
   global.get $std/array/subarr32
   call $~lib/array/Array<Array<i32>>#toString
   i32.const 6384
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19536,7 +19523,7 @@
   global.get $std/array/subarr8
   call $~lib/array/Array<Array<u8>>#toString
   i32.const 6384
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -19578,7 +19565,7 @@
   global.get $std/array/subarrU32
   call $~lib/array/Array<Array<Array<u32>>>#toString
   i32.const 5576
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/string-utf8.optimized.wat b/tests/compiler/std/string-utf8.optimized.wat
index 93a5f397..c19c6db4 100644
--- a/tests/compiler/std/string-utf8.optimized.wat
+++ b/tests/compiler/std/string-utf8.optimized.wat
@@ -1596,7 +1596,7 @@
       if
        i32.const 0
        i32.const 96
-       i32.const 447
+       i32.const 443
        i32.const 8
        call $~lib/env/abort
        unreachable
@@ -1643,7 +1643,7 @@
        if
         i32.const 0
         i32.const 96
-        i32.const 451
+        i32.const 447
         i32.const 8
         call $~lib/env/abort
         unreachable
@@ -1716,7 +1716,7 @@
        if
         i32.const 0
         i32.const 96
-        i32.const 463
+        i32.const 459
         i32.const 8
         call $~lib/env/abort
         unreachable
@@ -1769,7 +1769,7 @@
   if
    i32.const 0
    i32.const 96
-   i32.const 472
+   i32.const 468
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -1822,7 +1822,7 @@
   end
   local.get $3
  )
- (func $~lib/string/String.eq (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   local.get $1
@@ -2024,7 +2024,7 @@
   i32.const 0
   call $~lib/string/String.fromUTF8
   i32.const 88
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2040,7 +2040,7 @@
   i32.sub
   call $~lib/string/String.fromUTF8
   global.get $std/string-utf8/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2054,7 +2054,7 @@
   i32.const 4
   call $~lib/string/String.fromUTF8
   i32.const 176
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2070,7 +2070,7 @@
   i32.const 2
   call $~lib/string/String.fromUTF8
   i32.const 192
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2086,7 +2086,7 @@
   i32.const 4
   call $~lib/string/String.fromUTF8
   i32.const 208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2102,7 +2102,7 @@
   i32.const 1
   call $~lib/string/String.fromUTF8
   i32.const 224
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/string-utf8.untouched.wat b/tests/compiler/std/string-utf8.untouched.wat
index 7e6a864d..eda61e0e 100644
--- a/tests/compiler/std/string-utf8.untouched.wat
+++ b/tests/compiler/std/string-utf8.untouched.wat
@@ -2034,7 +2034,7 @@
         if
          i32.const 0
          i32.const 96
-         i32.const 447
+         i32.const 443
          i32.const 8
          call $~lib/env/abort
          unreachable
@@ -2088,7 +2088,7 @@
          if
           i32.const 0
           i32.const 96
-          i32.const 451
+          i32.const 447
           i32.const 8
           call $~lib/env/abort
           unreachable
@@ -2183,7 +2183,7 @@
          if
           i32.const 0
           i32.const 96
-          i32.const 463
+          i32.const 459
           i32.const 8
           call $~lib/env/abort
           unreachable
@@ -2246,7 +2246,7 @@
   if
    i32.const 0
    i32.const 96
-   i32.const 472
+   i32.const 468
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2325,7 +2325,7 @@
   end
   local.get $5
  )
- (func $~lib/string/String.eq (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -2545,7 +2545,7 @@
   i32.const 0
   call $~lib/string/String.fromUTF8
   i32.const 88
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2561,7 +2561,7 @@
   i32.sub
   call $~lib/string/String.fromUTF8
   global.get $std/string-utf8/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2575,7 +2575,7 @@
   i32.const 4
   call $~lib/string/String.fromUTF8
   i32.const 176
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2591,7 +2591,7 @@
   i32.const 2
   call $~lib/string/String.fromUTF8
   i32.const 192
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2607,7 +2607,7 @@
   i32.const 4
   call $~lib/string/String.fromUTF8
   i32.const 208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2623,7 +2623,7 @@
   i32.const 1
   call $~lib/string/String.fromUTF8
   i32.const 224
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/string.optimized.wat b/tests/compiler/std/string.optimized.wat
index cdcc11fa..306b866f 100644
--- a/tests/compiler/std/string.optimized.wat
+++ b/tests/compiler/std/string.optimized.wat
@@ -6,7 +6,6 @@
  (type $FUNCSIG$iiii (func (param i32 i32 i32) (result i32)))
  (type $FUNCSIG$viii (func (param i32 i32 i32)))
  (type $FUNCSIG$di (func (param i32) (result f64)))
- (type $FUNCSIG$vii (func (param i32 i32)))
  (type $FUNCSIG$ij (func (param i64) (result i32)))
  (type $FUNCSIG$viji (func (param i32 i64 i32)))
  (type $FUNCSIG$id (func (param f64) (result i32)))
@@ -15,14 +14,15 @@
  (type $FUNCSIG$v (func))
  (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
+ (type $FUNCSIG$vii (func (param i32 i32)))
  (import "env" "abort" (func $~lib/env/abort (param i32 i32 i32 i32)))
  (memory $0 1)
  (data (i32.const 8) "\01\00\00\00 \00\00\00h\00i\00,\00 \00I\00\'\00m\00 \00a\00 \00s\00t\00r\00i\00n\00g")
  (data (i32.const 48) "\01\00\00\00\1a\00\00\00s\00t\00d\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
- (data (i32.const 88) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
- (data (i32.const 128) "\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00u\00n\00t\00i\00m\00e\00.\00t\00s")
- (data (i32.const 168) "\01\00\00\00\02")
- (data (i32.const 184) "\01\00\00\00\02\00\00\006")
+ (data (i32.const 88) "\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00u\00n\00t\00i\00m\00e\00.\00t\00s")
+ (data (i32.const 128) "\01\00\00\00\02")
+ (data (i32.const 144) "\01\00\00\00\02\00\00\006")
+ (data (i32.const 160) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
  (data (i32.const 200) "\01\00\00\00\04\00\00\004\d8\06\df")
  (data (i32.const 216) "\01\00\00\00\04\00\00\00h\00i")
  (data (i32.const 232) "\01\00\00\00\08\00\00\00n\00u\00l\00l")
@@ -193,33 +193,7 @@
  (export "table" (table $0))
  (export "getString" (func $std/string/getString))
  (start $start)
- (func $~lib/string/String#charCodeAt (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  local.get $0
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 96
-   i32.const 44
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
-  i32.const 0
-  local.get $0
-  i32.const 8
-  i32.sub
-  i32.load offset=4
-  i32.const 1
-  i32.shr_u
-  i32.ge_u
-  if
-   i32.const -1
-   return
-  end
-  local.get $0
-  i32.load16_u
- )
- (func $~lib/memory/memory.allocate (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/memory/memory.allocate (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -281,7 +255,7 @@
   global.set $~lib/allocator/arena/offset
   local.get $1
  )
- (func $~lib/runtime/doAllocate (; 3 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/runtime/doAllocate (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 1
   i32.const 32
@@ -302,13 +276,13 @@
   i32.const 8
   i32.add
  )
- (func $~lib/runtime/assertUnregistered (; 4 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/runtime/assertUnregistered (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   i32.const 5544
   i32.le_u
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 191
    i32.const 2
    call $~lib/env/abort
@@ -322,14 +296,14 @@
   i32.ne
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 192
    i32.const 2
    call $~lib/env/abort
    unreachable
   end
  )
- (func $~lib/runtime/doRegister (; 5 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/runtime/doRegister (; 4 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   call $~lib/runtime/assertUnregistered
   local.get $0
@@ -339,7 +313,7 @@
   i32.store
   local.get $0
  )
- (func $~lib/string/String.fromCharCode (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.fromCharCode (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 2
   call $~lib/runtime/doAllocate
@@ -350,7 +324,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/string/compareImpl (; 7 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/util/string/compareImpl (; 6 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   local.get $1
   i32.const 1
@@ -389,7 +363,7 @@
   end
   local.get $4
  )
- (func $~lib/string/String.eq (; 8 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 7 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   local.get $1
@@ -436,7 +410,7 @@
   call $~lib/util/string/compareImpl
   i32.eqz
  )
- (func $~lib/string/String.fromCodePoint (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.fromCodePoint (; 8 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -444,7 +418,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 96
+   i32.const 168
    i32.const 21
    i32.const 4
    call $~lib/env/abort
@@ -491,7 +465,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String#startsWith (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String#startsWith (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -499,8 +473,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 165
+   i32.const 168
+   i32.const 161
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -539,7 +513,7 @@
   call $~lib/util/string/compareImpl
   i32.eqz
  )
- (func $~lib/string/String#endsWith (; 11 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String#endsWith (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -547,8 +521,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 78
+   i32.const 168
+   i32.const 74
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -587,15 +561,15 @@
   call $~lib/util/string/compareImpl
   i32.eqz
  )
- (func $~lib/string/String#indexOf (; 12 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#indexOf (; 11 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   local.get $0
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 134
+   i32.const 168
+   i32.const 130
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -670,7 +644,7 @@
   end
   i32.const -1
  )
- (func $~lib/util/memory/memcpy (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/util/memory/memcpy (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1567,7 +1541,7 @@
    i32.store8
   end
  )
- (func $~lib/memory/memory.copy (; 14 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   block $~lib/util/memory/memmove|inlined.0
@@ -1761,7 +1735,7 @@
    end
   end
  )
- (func $~lib/memory/memory.repeat (; 15 ;) (type $FUNCSIG$viiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32)
+ (func $~lib/memory/memory.repeat (; 14 ;) (type $FUNCSIG$viiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32)
   (local $4 i32)
   local.get $2
   local.get $3
@@ -1786,7 +1760,7 @@
    end
   end
  )
- (func $~lib/string/String#padStart (; 16 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#padStart (; 15 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1795,8 +1769,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 282
+   i32.const 168
+   i32.const 278
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -1883,7 +1857,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String#padEnd (; 17 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#padEnd (; 16 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1891,8 +1865,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 303
+   i32.const 168
+   i32.const 299
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -1981,15 +1955,15 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String#lastIndexOf (; 18 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#lastIndexOf (; 17 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   local.get $0
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 150
+   i32.const 168
+   i32.const 146
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2064,7 +2038,7 @@
   end
   i32.const -1
  )
- (func $~lib/util/string/parse<f64> (; 19 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
+ (func $~lib/util/string/parse<f64> (; 18 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -2301,7 +2275,7 @@
   local.get $5
   f64.mul
  )
- (func $~lib/string/parseFloat (; 20 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
+ (func $~lib/string/parseFloat (; 19 ;) (type $FUNCSIG$di) (param $0 i32) (result f64)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -2412,8 +2386,8 @@
          end
          if
           i32.const 0
-          i32.const 96
-          i32.const 569
+          i32.const 168
+          i32.const 565
           i32.const 10
           call $~lib/env/abort
           unreachable
@@ -2472,20 +2446,10 @@
   local.get $4
   f64.mul
  )
- (func $~lib/string/String#concat (; 21 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String#concat (; 20 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
-  local.get $0
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 96
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 240
   local.get $1
@@ -2531,7 +2495,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String.concat (; 22 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 21 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   i32.const 240
   local.get $0
@@ -2539,13 +2503,13 @@
   local.get $1
   call $~lib/string/String#concat
  )
- (func $~lib/string/String.ne (; 23 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__ne (; 22 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
  )
- (func $~lib/string/String.gt (; 24 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__gt (; 23 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   block (result i32)
@@ -2610,7 +2574,7 @@
   i32.const 0
   i32.gt_s
  )
- (func $~lib/string/String.lt (; 25 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__lt (; 24 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   block (result i32)
@@ -2675,27 +2639,27 @@
   i32.const 0
   i32.lt_s
  )
- (func $~lib/string/String.gte (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__gte (; 25 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
  )
- (func $~lib/string/String.lte (; 27 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.__lte (; 26 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   i32.const 312
   local.get $0
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
  )
- (func $~lib/string/String#repeat (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String#repeat (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 324
+   i32.const 168
+   i32.const 320
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2724,8 +2688,8 @@
   end
   if
    i32.const 0
-   i32.const 96
-   i32.const 329
+   i32.const 168
+   i32.const 325
    i32.const 6
    call $~lib/env/abort
    unreachable
@@ -2767,7 +2731,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String#slice (; 29 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#slice (; 28 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   local.get $0
@@ -2847,7 +2811,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/memory/memory.fill (; 30 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/memory/memory.fill (; 29 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   block $~lib/util/memory/memset|inlined.0
    local.get $1
@@ -3058,7 +3022,7 @@
    end
   end
  )
- (func $~lib/arraybuffer/ArrayBuffer#constructor (; 31 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBuffer#constructor (; 30 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
   i32.const 1073741816
@@ -3080,14 +3044,14 @@
   i32.const 2
   call $~lib/runtime/doRegister
  )
- (func $~lib/runtime/ArrayBufferView#constructor (; 32 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/runtime/ArrayBufferView#constructor (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $1
   i32.const 268435454
   i32.gt_u
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 226
    i32.const 57
    call $~lib/env/abort
@@ -3128,7 +3092,7 @@
   i32.store offset=8
   local.get $0
  )
- (func $~lib/array/Array<String>#constructor (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<String>#constructor (; 32 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 16
   call $~lib/runtime/doAllocate
@@ -3144,7 +3108,7 @@
   i32.store offset=12
   local.get $1
  )
- (func $~lib/runtime/doReallocate (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/runtime/doReallocate (; 33 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3212,7 +3176,7 @@
      i32.le_u
      if
       i32.const 0
-      i32.const 136
+      i32.const 96
       i32.const 100
       i32.const 8
       call $~lib/env/abort
@@ -3238,7 +3202,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 35 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/ensureCapacity (; 34 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -3259,7 +3223,7 @@
     i32.const 0
     i32.const 1440
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -3285,10 +3249,10 @@
    i32.store offset=8
   end
  )
- (func $~lib/array/Array<String>#__set (; 36 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<String>#__set (; 35 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   local.get $0
   i32.const 1
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -3303,29 +3267,7 @@
    i32.store offset=12
   end
  )
- (func $~lib/runtime/assertRegistered (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
-  local.get $0
-  i32.const 8
-  i32.sub
-  i32.load
-  i32.const -1520547049
-  i32.eq
-  if
-   i32.const 0
-   i32.const 136
-   i32.const 199
-   i32.const 2
-   call $~lib/env/abort
-   unreachable
-  end
- )
- (func $~lib/runtime/doLink (; 38 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
-  local.get $0
-  call $~lib/runtime/assertRegistered
-  local.get $1
-  call $~lib/runtime/assertRegistered
- )
- (func $~lib/array/Array<String>#push (; 39 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<String>#push (; 36 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   local.get $0
   local.get $0
@@ -3333,7 +3275,7 @@
   i32.const 1
   i32.add
   local.tee $2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   local.get $2
   i32.store offset=12
@@ -3348,7 +3290,23 @@
   local.get $1
   i32.store
  )
- (func $~lib/string/String#split (; 40 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/runtime/assertRegistered (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  i32.const 8
+  i32.sub
+  i32.load
+  i32.const -1520547049
+  i32.eq
+  if
+   i32.const 0
+   i32.const 96
+   i32.const 199
+   i32.const 2
+   call $~lib/env/abort
+   unreachable
+  end
+ )
+ (func $~lib/string/String#split (; 38 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -3361,8 +3319,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 351
+   i32.const 168
+   i32.const 347
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -3379,10 +3337,10 @@
   if
    i32.const 1
    call $~lib/array/Array<String>#constructor
-   local.tee $3
+   local.tee $7
    local.get $0
    call $~lib/array/Array<String>#__set
-   local.get $3
+   local.get $7
    return
   end
   local.get $0
@@ -3391,7 +3349,7 @@
   i32.load offset=4
   i32.const 1
   i32.shr_u
-  local.set $6
+  local.set $5
   i32.const 2147483647
   local.get $2
   local.get $2
@@ -3409,41 +3367,40 @@
   local.set $9
   local.get $3
   if
-   local.get $6
+   local.get $5
    i32.eqz
    if
     i32.const 1
     call $~lib/array/Array<String>#constructor
-    local.tee $5
+    local.tee $3
     i32.load offset=4
     i32.const 312
     i32.store
-    local.get $5
+    local.get $3
     return
    end
   else   
-   local.get $6
+   local.get $5
    i32.eqz
    if
     i32.const 0
     call $~lib/array/Array<String>#constructor
     return
    end
-   local.get $6
-   local.tee $3
+   local.get $5
    local.get $2
-   local.get $3
+   local.get $5
    local.get $2
    i32.lt_s
    select
-   local.tee $6
+   local.tee $5
    call $~lib/array/Array<String>#constructor
-   local.tee $3
+   local.tee $7
    i32.load offset=4
-   local.set $5
+   local.set $3
    loop $repeat|0
     local.get $4
-    local.get $6
+    local.get $5
     i32.lt_s
     if
      i32.const 2
@@ -3459,15 +3416,12 @@
      local.get $4
      i32.const 2
      i32.shl
-     local.get $5
+     local.get $3
      i32.add
      local.get $1
-     i32.store
-     local.get $1
      i32.const 1
      call $~lib/runtime/doRegister
-     local.get $3
-     call $~lib/runtime/doLink
+     i32.store
      local.get $4
      i32.const 1
      i32.add
@@ -3475,12 +3429,12 @@
      br $repeat|0
     end
    end
-   local.get $3
+   local.get $7
    return
   end
   i32.const 0
   call $~lib/array/Array<String>#constructor
-  local.set $7
+  local.set $6
   loop $continue|1
    local.get $0
    local.get $1
@@ -3493,30 +3447,30 @@
     local.get $8
     local.get $4
     i32.sub
-    local.tee $5
+    local.tee $3
     i32.const 0
     i32.gt_s
     if
-     local.get $5
+     local.get $3
      i32.const 1
      i32.shl
-     local.tee $5
-     call $~lib/runtime/doAllocate
      local.tee $3
+     call $~lib/runtime/doAllocate
+     local.tee $7
      local.get $4
      i32.const 1
      i32.shl
      local.get $0
      i32.add
-     local.get $5
-     call $~lib/memory/memory.copy
-     local.get $7
      local.get $3
+     call $~lib/memory/memory.copy
+     local.get $6
+     local.get $7
      i32.const 1
      call $~lib/runtime/doRegister
      call $~lib/array/Array<String>#push
     else     
-     local.get $7
+     local.get $6
      i32.const 312
      call $~lib/array/Array<String>#push
     end
@@ -3527,7 +3481,7 @@
     local.get $2
     i32.eq
     if
-     local.get $7
+     local.get $6
      return
     end
     local.get $8
@@ -3546,16 +3500,16 @@
    i32.load offset=4
    local.set $1
    local.get $0
-   local.tee $4
+   call $~lib/runtime/assertRegistered
    local.get $3
-   call $~lib/runtime/doLink
+   call $~lib/runtime/assertRegistered
    local.get $1
-   local.get $4
+   local.get $0
    i32.store
    local.get $3
    return
   end
-  local.get $6
+  local.get $5
   local.get $4
   i32.sub
   local.tee $1
@@ -3567,7 +3521,7 @@
    i32.shl
    local.tee $1
    call $~lib/runtime/doAllocate
-   local.tee $5
+   local.tee $3
    local.get $4
    i32.const 1
    i32.shl
@@ -3575,19 +3529,19 @@
    i32.add
    local.get $1
    call $~lib/memory/memory.copy
-   local.get $7
-   local.get $5
+   local.get $6
+   local.get $3
    i32.const 1
    call $~lib/runtime/doRegister
    call $~lib/array/Array<String>#push
   else   
-   local.get $7
+   local.get $6
    i32.const 312
    call $~lib/array/Array<String>#push
   end
-  local.get $7
+  local.get $6
  )
- (func $~lib/util/number/decimalCount32 (; 41 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/decimalCount32 (; 39 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 100000
   i32.lt_u
@@ -3641,7 +3595,7 @@
    end
   end
  )
- (func $~lib/util/number/utoa32_lut (; 42 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/util/number/utoa32_lut (; 40 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   i32.const 2060
@@ -3751,7 +3705,7 @@
    i32.store16
   end
  )
- (func $~lib/util/number/itoa32 (; 43 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/itoa32 (; 41 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -3793,7 +3747,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/number/utoa32 (; 44 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/utoa32 (; 42 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -3816,7 +3770,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/number/decimalCount64 (; 45 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/decimalCount64 (; 43 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   local.get $0
   i64.const 1000000000000000
   i64.lt_u
@@ -3870,7 +3824,7 @@
    end
   end
  )
- (func $~lib/util/number/utoa64_lut (; 46 ;) (type $FUNCSIG$viji) (param $0 i32) (param $1 i64) (param $2 i32)
+ (func $~lib/util/number/utoa64_lut (; 44 ;) (type $FUNCSIG$viji) (param $0 i32) (param $1 i64) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -3967,7 +3921,7 @@
   local.get $2
   call $~lib/util/number/utoa32_lut
  )
- (func $~lib/util/number/utoa64 (; 47 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/utoa64 (; 45 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -4009,7 +3963,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/number/itoa64 (; 48 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/itoa64 (; 46 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -4074,7 +4028,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/number/genDigits (; 49 ;) (type $FUNCSIG$iijijiji) (param $0 i32) (param $1 i64) (param $2 i32) (param $3 i64) (param $4 i32) (param $5 i64) (param $6 i32) (result i32)
+ (func $~lib/util/number/genDigits (; 47 ;) (type $FUNCSIG$iijijiji) (param $0 i32) (param $1 i64) (param $2 i32) (param $3 i64) (param $4 i32) (param $5 i64) (param $6 i32) (result i32)
   (local $7 i32)
   (local $8 i32)
   (local $9 i64)
@@ -4492,7 +4446,7 @@
    local.get $7
   end
  )
- (func $~lib/util/number/prettify (; 50 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/util/number/prettify (; 48 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   local.get $2
@@ -4753,7 +4707,7 @@
    end
   end
  )
- (func $~lib/util/number/dtoa_core (; 51 ;) (type $FUNCSIG$iid) (param $0 i32) (param $1 f64) (result i32)
+ (func $~lib/util/number/dtoa_core (; 49 ;) (type $FUNCSIG$iid) (param $0 i32) (param $1 f64) (result i32)
   (local $2 i32)
   (local $3 i64)
   (local $4 i64)
@@ -5065,7 +5019,7 @@
   local.get $12
   i32.add
  )
- (func $~lib/string/String#substring (; 52 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String#substring (; 50 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -5073,8 +5027,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 190
+   i32.const 168
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -5163,7 +5117,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/util/number/dtoa (; 53 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
+ (func $~lib/util/number/dtoa (; 51 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -5208,7 +5162,7 @@
   call $~lib/runtime/assertUnregistered
   local.get $1
  )
- (func $start:std/string (; 54 ;) (type $FUNCSIG$v)
+ (func $start:std/string (; 52 ;) (type $FUNCSIG$v)
   (local $0 i32)
   global.get $std/string/str
   i32.const 16
@@ -5237,8 +5191,22 @@
    call $~lib/env/abort
    unreachable
   end
-  global.get $std/string/str
-  call $~lib/string/String#charCodeAt
+  block $__inlined_func$~lib/string/String#charCodeAt (result i32)
+   i32.const -1
+   i32.const 0
+   global.get $std/string/str
+   local.tee $0
+   i32.const 8
+   i32.sub
+   i32.load offset=4
+   i32.const 1
+   i32.shr_u
+   i32.ge_u
+   br_if $__inlined_func$~lib/string/String#charCodeAt
+   drop
+   local.get $0
+   i32.load16_u
+  end
   i32.const 104
   i32.ne
   if
@@ -5255,8 +5223,8 @@
   global.set $~lib/allocator/arena/offset
   i32.const 0
   call $~lib/string/String.fromCharCode
-  i32.const 176
-  call $~lib/string/String.eq
+  i32.const 136
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5268,8 +5236,8 @@
   end
   i32.const 54
   call $~lib/string/String.fromCharCode
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5281,8 +5249,8 @@
   end
   i32.const 65590
   call $~lib/string/String.fromCharCode
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5294,8 +5262,8 @@
   end
   i32.const 0
   call $~lib/string/String.fromCodePoint
-  i32.const 176
-  call $~lib/string/String.eq
+  i32.const 136
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5307,8 +5275,8 @@
   end
   i32.const 54
   call $~lib/string/String.fromCodePoint
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5370,7 +5338,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5385,7 +5353,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5400,7 +5368,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   i32.const 320
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5415,7 +5383,7 @@
   i32.const 312
   call $~lib/string/String#padStart
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5430,7 +5398,7 @@
   i32.const 312
   call $~lib/string/String#padStart
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5445,7 +5413,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   i32.const 368
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5460,7 +5428,7 @@
   i32.const 392
   call $~lib/string/String#padStart
   i32.const 408
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5475,7 +5443,7 @@
   i32.const 392
   call $~lib/string/String#padStart
   i32.const 432
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5490,7 +5458,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5505,7 +5473,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5520,7 +5488,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   i32.const 320
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5535,7 +5503,7 @@
   i32.const 312
   call $~lib/string/String#padEnd
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5550,7 +5518,7 @@
   i32.const 312
   call $~lib/string/String#padEnd
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5565,7 +5533,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   i32.const 456
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5580,7 +5548,7 @@
   i32.const 352
   call $~lib/string/String#padEnd
   i32.const 480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -5595,7 +5563,7 @@
   i32.const 352
   call $~lib/string/String#padEnd
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6051,11 +6019,11 @@
   end
   i32.const 336
   i32.const 824
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
   global.set $std/string/c
   global.get $std/string/c
   i32.const 840
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6067,7 +6035,7 @@
   end
   global.get $std/string/c
   i32.const 336
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6079,7 +6047,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6091,7 +6059,7 @@
   end
   i32.const 312
   global.get $std/string/nullStr
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6103,7 +6071,7 @@
   end
   global.get $std/string/nullStr
   i32.const 312
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6115,7 +6083,7 @@
   end
   i32.const 336
   i32.const 824
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6127,7 +6095,7 @@
   end
   i32.const 336
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6139,7 +6107,7 @@
   end
   i32.const 856
   i32.const 872
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6151,7 +6119,7 @@
   end
   i32.const 856
   i32.const 856
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6163,7 +6131,7 @@
   end
   i32.const 888
   i32.const 904
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6175,7 +6143,7 @@
   end
   i32.const 920
   i32.const 944
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6187,7 +6155,7 @@
   end
   i32.const 968
   i32.const 968
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6199,7 +6167,7 @@
   end
   i32.const 968
   i32.const 992
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6211,7 +6179,7 @@
   end
   i32.const 1016
   i32.const 1048
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -6223,7 +6191,7 @@
   end
   i32.const 824
   i32.const 336
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -6235,7 +6203,7 @@
   end
   i32.const 1080
   i32.const 336
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -6247,7 +6215,7 @@
   end
   i32.const 1080
   i32.const 1096
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -6259,7 +6227,7 @@
   end
   i32.const 1080
   i32.const 840
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -6271,7 +6239,7 @@
   end
   i32.const 1080
   i32.const 840
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   if
    i32.const 0
    i32.const 56
@@ -6282,7 +6250,7 @@
   end
   i32.const 824
   global.get $std/string/nullStr
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   if
    i32.const 0
    i32.const 56
@@ -6293,7 +6261,7 @@
   end
   global.get $std/string/nullStr
   i32.const 824
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   if
    i32.const 0
    i32.const 56
@@ -6304,7 +6272,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -6316,7 +6284,7 @@
   end
   i32.const 312
   i32.const 352
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   if
    i32.const 0
@@ -6328,7 +6296,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -6339,7 +6307,7 @@
    unreachable
   end
   i32.const 352
-  call $~lib/string/String.lte
+  call $~lib/string/String.__lte
   i32.eqz
   if
    i32.const 0
@@ -6351,7 +6319,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   if
    i32.const 0
    i32.const 56
@@ -6362,7 +6330,7 @@
   end
   i32.const 312
   i32.const 352
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   if
    i32.const 0
    i32.const 56
@@ -6373,7 +6341,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   if
    i32.const 0
    i32.const 56
@@ -6384,7 +6352,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   if
    i32.const 0
    i32.const 56
@@ -6395,7 +6363,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -6406,7 +6374,7 @@
    unreachable
   end
   i32.const 312
-  call $~lib/string/String.lte
+  call $~lib/string/String.__lte
   i32.eqz
   if
    i32.const 0
@@ -6423,11 +6391,11 @@
   call $~lib/string/String.fromCodePoint
   i32.const 56322
   call $~lib/string/String.fromCodePoint
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
   global.set $std/string/b
   global.get $std/string/a
   global.get $std/string/b
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -6455,7 +6423,7 @@
   i32.const 100
   call $~lib/string/String#repeat
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6469,7 +6437,7 @@
   i32.const 0
   call $~lib/string/String#repeat
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6483,7 +6451,7 @@
   i32.const 1
   call $~lib/string/String#repeat
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6497,7 +6465,7 @@
   i32.const 2
   call $~lib/string/String#repeat
   i32.const 1096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6511,7 +6479,7 @@
   i32.const 3
   call $~lib/string/String#repeat
   i32.const 1112
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6525,7 +6493,7 @@
   i32.const 4
   call $~lib/string/String#repeat
   i32.const 1128
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6539,7 +6507,7 @@
   i32.const 5
   call $~lib/string/String#repeat
   i32.const 1152
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6553,7 +6521,7 @@
   i32.const 6
   call $~lib/string/String#repeat
   i32.const 1176
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6567,7 +6535,7 @@
   i32.const 7
   call $~lib/string/String#repeat
   i32.const 1200
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6584,7 +6552,7 @@
   i32.const 2147483647
   call $~lib/string/String#slice
   i32.const 1224
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6599,7 +6567,7 @@
   i32.const 2147483647
   call $~lib/string/String#slice
   i32.const 1264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6614,7 +6582,7 @@
   i32.const 2147483647
   call $~lib/string/String#slice
   i32.const 1280
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6629,7 +6597,7 @@
   i32.const 7
   call $~lib/string/String#slice
   i32.const 1304
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6644,7 +6612,7 @@
   i32.const -6
   call $~lib/string/String#slice
   i32.const 1328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6659,7 +6627,7 @@
   i32.const 3
   call $~lib/string/String#slice
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6674,7 +6642,7 @@
   i32.const -1
   call $~lib/string/String#slice
   i32.const 1352
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6694,7 +6662,7 @@
   i32.const 1
   i32.eq
   local.tee $0
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -6706,10 +6674,10 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -6744,7 +6712,7 @@
   i32.const 1
   i32.eq
   local.tee $0
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -6756,10 +6724,10 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -6779,7 +6747,7 @@
   i32.const 1
   i32.eq
   local.tee $0
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -6791,10 +6759,10 @@
    select
    i32.load
    i32.const 1480
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -6828,7 +6796,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -6847,12 +6815,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -6866,10 +6834,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -6903,7 +6871,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -6922,12 +6890,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -6941,10 +6909,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -6979,7 +6947,7 @@
       select
       i32.load
       i32.const 336
-      call $~lib/string/String.eq
+      call $~lib/string/String.__eq
       local.set $0
      end
      local.get $0
@@ -6998,7 +6966,7 @@
      select
      i32.load
      i32.const 824
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7017,12 +6985,12 @@
     select
     i32.load
     i32.const 312
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7036,10 +7004,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7074,7 +7042,7 @@
       select
       i32.load
       i32.const 312
-      call $~lib/string/String.eq
+      call $~lib/string/String.__eq
       local.set $0
      end
      local.get $0
@@ -7093,7 +7061,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7112,12 +7080,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7131,10 +7099,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7169,7 +7137,7 @@
       select
       i32.load
       i32.const 336
-      call $~lib/string/String.eq
+      call $~lib/string/String.__eq
       local.set $0
      end
      local.get $0
@@ -7188,7 +7156,7 @@
      select
      i32.load
      i32.const 824
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7207,12 +7175,12 @@
     select
     i32.load
     i32.const 1520
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7226,10 +7194,10 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7263,7 +7231,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7282,12 +7250,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7301,10 +7269,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7339,7 +7307,7 @@
   i32.const 1
   i32.eq
   local.tee $0
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7351,10 +7319,10 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7374,7 +7342,7 @@
   i32.const 1
   i32.eq
   local.tee $0
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7386,10 +7354,10 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7423,7 +7391,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7442,12 +7410,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7461,10 +7429,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7498,7 +7466,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7517,12 +7485,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7536,10 +7504,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7573,7 +7541,7 @@
      select
      i32.load
      i32.const 336
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
      local.set $0
     end
     local.get $0
@@ -7592,12 +7560,12 @@
     select
     i32.load
     i32.const 824
-    call $~lib/string/String.eq
+    call $~lib/string/String.__eq
     local.set $0
    end
    local.get $0
   end
-  if (result i32)
+  if
    global.get $std/string/sa
    local.tee $0
    i32.load offset=4
@@ -7611,10 +7579,10 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
-  else   
-   local.get $0
+   call $~lib/string/String.__eq
+   local.set $0
   end
+  local.get $0
   i32.eqz
   if
    i32.const 0
@@ -7627,7 +7595,7 @@
   i32.const 0
   call $~lib/util/number/itoa32
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7640,7 +7608,7 @@
   i32.const 1
   call $~lib/util/number/itoa32
   i32.const 624
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7653,7 +7621,7 @@
   i32.const 8
   call $~lib/util/number/itoa32
   i32.const 2080
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7666,7 +7634,7 @@
   i32.const 123
   call $~lib/util/number/itoa32
   i32.const 392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7679,7 +7647,7 @@
   i32.const -1000
   call $~lib/util/number/itoa32
   i32.const 2096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7692,7 +7660,7 @@
   i32.const 1234
   call $~lib/util/number/itoa32
   i32.const 2120
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7705,7 +7673,7 @@
   i32.const 12345
   call $~lib/util/number/itoa32
   i32.const 2136
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7718,7 +7686,7 @@
   i32.const 123456
   call $~lib/util/number/itoa32
   i32.const 2160
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7731,7 +7699,7 @@
   i32.const 1111111
   call $~lib/util/number/itoa32
   i32.const 2184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7744,7 +7712,7 @@
   i32.const 1234567
   call $~lib/util/number/itoa32
   i32.const 2208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7757,7 +7725,7 @@
   i32.const 2147483646
   call $~lib/util/number/itoa32
   i32.const 2232
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7770,7 +7738,7 @@
   i32.const 2147483647
   call $~lib/util/number/itoa32
   i32.const 2264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7783,7 +7751,7 @@
   i32.const -2147483648
   call $~lib/util/number/itoa32
   i32.const 2296
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7796,7 +7764,7 @@
   i32.const -1
   call $~lib/util/number/itoa32
   i32.const 2328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7809,7 +7777,7 @@
   i32.const 0
   call $~lib/util/number/utoa32
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7822,7 +7790,7 @@
   i32.const 1000
   call $~lib/util/number/utoa32
   i32.const 2344
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7835,7 +7803,7 @@
   i32.const 2147483647
   call $~lib/util/number/utoa32
   i32.const 2264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7848,7 +7816,7 @@
   i32.const -2147483648
   call $~lib/util/number/utoa32
   i32.const 2360
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7861,7 +7829,7 @@
   i32.const -1
   call $~lib/util/number/utoa32
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7874,7 +7842,7 @@
   i64.const 0
   call $~lib/util/number/utoa64
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7887,7 +7855,7 @@
   i64.const 1234
   call $~lib/util/number/utoa64
   i32.const 2120
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7900,7 +7868,7 @@
   i64.const 99999999
   call $~lib/util/number/utoa64
   i32.const 2424
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7913,7 +7881,7 @@
   i64.const 100000000
   call $~lib/util/number/utoa64
   i32.const 2448
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7926,7 +7894,7 @@
   i64.const 4294967295
   call $~lib/util/number/utoa64
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7939,7 +7907,7 @@
   i64.const 68719476735
   call $~lib/util/number/utoa64
   i32.const 2480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7952,7 +7920,7 @@
   i64.const 868719476735
   call $~lib/util/number/utoa64
   i32.const 2512
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7965,7 +7933,7 @@
   i64.const 999868719476735
   call $~lib/util/number/utoa64
   i32.const 2544
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7978,7 +7946,7 @@
   i64.const 9999868719476735
   call $~lib/util/number/utoa64
   i32.const 2584
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7991,7 +7959,7 @@
   i64.const 19999868719476735
   call $~lib/util/number/utoa64
   i32.const 2624
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8004,7 +7972,7 @@
   i64.const -1
   call $~lib/util/number/utoa64
   i32.const 2672
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8017,7 +7985,7 @@
   i64.const 0
   call $~lib/util/number/itoa64
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8030,7 +7998,7 @@
   i64.const -1234
   call $~lib/util/number/itoa64
   i32.const 2720
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8043,7 +8011,7 @@
   i64.const 4294967295
   call $~lib/util/number/itoa64
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8056,7 +8024,7 @@
   i64.const -4294967295
   call $~lib/util/number/itoa64
   i32.const 2744
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8069,7 +8037,7 @@
   i64.const 68719476735
   call $~lib/util/number/itoa64
   i32.const 2480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8082,7 +8050,7 @@
   i64.const -68719476735
   call $~lib/util/number/itoa64
   i32.const 2776
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8095,7 +8063,7 @@
   i64.const -868719476735
   call $~lib/util/number/itoa64
   i32.const 2808
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8108,7 +8076,7 @@
   i64.const -999868719476735
   call $~lib/util/number/itoa64
   i32.const 2848
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8121,7 +8089,7 @@
   i64.const -19999868719476735
   call $~lib/util/number/itoa64
   i32.const 2888
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8134,7 +8102,7 @@
   i64.const 9223372036854775807
   call $~lib/util/number/itoa64
   i32.const 2936
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8147,7 +8115,7 @@
   i64.const -9223372036854775808
   call $~lib/util/number/itoa64
   i32.const 2984
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8160,7 +8128,7 @@
   f64.const 0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8173,7 +8141,7 @@
   f64.const -0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8186,7 +8154,7 @@
   f64.const nan:0x8000000000000
   call $~lib/util/number/dtoa
   i32.const 3048
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8199,7 +8167,7 @@
   f64.const inf
   call $~lib/util/number/dtoa
   i32.const 3096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8212,7 +8180,7 @@
   f64.const -inf
   call $~lib/util/number/dtoa
   i32.const 3064
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8225,7 +8193,7 @@
   f64.const 2.220446049250313e-16
   call $~lib/util/number/dtoa
   i32.const 4128
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8238,7 +8206,7 @@
   f64.const -2.220446049250313e-16
   call $~lib/util/number/dtoa
   i32.const 4184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8251,7 +8219,7 @@
   f64.const 1797693134862315708145274e284
   call $~lib/util/number/dtoa
   i32.const 4240
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8264,7 +8232,7 @@
   f64.const -1797693134862315708145274e284
   call $~lib/util/number/dtoa
   i32.const 4296
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8277,7 +8245,7 @@
   f64.const 4185580496821356722454785e274
   call $~lib/util/number/dtoa
   i32.const 4352
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8290,7 +8258,7 @@
   f64.const 2.2250738585072014e-308
   call $~lib/util/number/dtoa
   i32.const 4408
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8303,7 +8271,7 @@
   f64.const 4.940656e-318
   call $~lib/util/number/dtoa
   i32.const 4464
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8316,7 +8284,7 @@
   f64.const 9060801153433600
   call $~lib/util/number/dtoa
   i32.const 4504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8329,7 +8297,7 @@
   f64.const 4708356024711512064
   call $~lib/util/number/dtoa
   i32.const 4552
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8342,7 +8310,7 @@
   f64.const 9409340012568248320
   call $~lib/util/number/dtoa
   i32.const 4608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8355,7 +8323,7 @@
   f64.const 5e-324
   call $~lib/util/number/dtoa
   i32.const 4664
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8368,7 +8336,7 @@
   f64.const 1
   call $~lib/util/number/dtoa
   i32.const 4688
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8381,7 +8349,7 @@
   f64.const 0.1
   call $~lib/util/number/dtoa
   i32.const 768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8394,7 +8362,7 @@
   f64.const -1
   call $~lib/util/number/dtoa
   i32.const 4704
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8407,7 +8375,7 @@
   f64.const -0.1
   call $~lib/util/number/dtoa
   i32.const 4720
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8420,7 +8388,7 @@
   f64.const 1e6
   call $~lib/util/number/dtoa
   i32.const 4736
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8433,7 +8401,7 @@
   f64.const 1e-06
   call $~lib/util/number/dtoa
   i32.const 4768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8446,7 +8414,7 @@
   f64.const -1e6
   call $~lib/util/number/dtoa
   i32.const 4792
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8459,7 +8427,7 @@
   f64.const -1e-06
   call $~lib/util/number/dtoa
   i32.const 4824
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8472,7 +8440,7 @@
   f64.const 1e7
   call $~lib/util/number/dtoa
   i32.const 4856
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8485,7 +8453,7 @@
   f64.const 1e-07
   call $~lib/util/number/dtoa
   i32.const 4888
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8498,7 +8466,7 @@
   f64.const 1.e+308
   call $~lib/util/number/dtoa
   i32.const 4904
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8511,7 +8479,7 @@
   f64.const -1.e+308
   call $~lib/util/number/dtoa
   i32.const 4928
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8524,7 +8492,7 @@
   f64.const inf
   call $~lib/util/number/dtoa
   i32.const 3096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8537,7 +8505,7 @@
   f64.const -inf
   call $~lib/util/number/dtoa
   i32.const 3064
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8550,7 +8518,7 @@
   f64.const 1e-308
   call $~lib/util/number/dtoa
   i32.const 4952
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8563,7 +8531,7 @@
   f64.const -1e-308
   call $~lib/util/number/dtoa
   i32.const 4976
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8576,7 +8544,7 @@
   f64.const 1e-323
   call $~lib/util/number/dtoa
   i32.const 5000
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8589,7 +8557,7 @@
   f64.const -1e-323
   call $~lib/util/number/dtoa
   i32.const 5024
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8602,7 +8570,7 @@
   f64.const 0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8615,7 +8583,7 @@
   f64.const 4294967272
   call $~lib/util/number/dtoa
   i32.const 5048
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8628,7 +8596,7 @@
   f64.const 1.2312145673456234e-08
   call $~lib/util/number/dtoa
   i32.const 5080
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8641,7 +8609,7 @@
   f64.const 555555555.5555556
   call $~lib/util/number/dtoa
   i32.const 5136
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8654,7 +8622,7 @@
   f64.const 0.9999999999999999
   call $~lib/util/number/dtoa
   i32.const 5184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8667,7 +8635,7 @@
   f64.const 1
   call $~lib/util/number/dtoa
   i32.const 4688
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8680,7 +8648,7 @@
   f64.const 12.34
   call $~lib/util/number/dtoa
   i32.const 5232
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8693,7 +8661,7 @@
   f64.const 0.3333333333333333
   call $~lib/util/number/dtoa
   i32.const 5256
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8706,7 +8674,7 @@
   f64.const 1234e17
   call $~lib/util/number/dtoa
   i32.const 5304
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8719,7 +8687,7 @@
   f64.const 1234e18
   call $~lib/util/number/dtoa
   i32.const 5360
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8732,7 +8700,7 @@
   f64.const 2.71828
   call $~lib/util/number/dtoa
   i32.const 5392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8745,7 +8713,7 @@
   f64.const 0.0271828
   call $~lib/util/number/dtoa
   i32.const 5416
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8758,7 +8726,7 @@
   f64.const 271.828
   call $~lib/util/number/dtoa
   i32.const 5448
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8771,7 +8739,7 @@
   f64.const 1.1e+128
   call $~lib/util/number/dtoa
   i32.const 5472
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8784,7 +8752,7 @@
   f64.const 1.1e-64
   call $~lib/util/number/dtoa
   i32.const 5496
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8797,7 +8765,7 @@
   f64.const 0.000035689
   call $~lib/util/number/dtoa
   i32.const 5520
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8808,13 +8776,13 @@
    unreachable
   end
  )
- (func $std/string/getString (; 55 ;) (type $FUNCSIG$i) (result i32)
+ (func $std/string/getString (; 53 ;) (type $FUNCSIG$i) (result i32)
   global.get $std/string/str
  )
- (func $start (; 56 ;) (type $FUNCSIG$v)
+ (func $start (; 54 ;) (type $FUNCSIG$v)
   call $start:std/string
  )
- (func $null (; 57 ;) (type $FUNCSIG$v)
+ (func $null (; 55 ;) (type $FUNCSIG$v)
   nop
  )
 )
diff --git a/tests/compiler/std/string.untouched.wat b/tests/compiler/std/string.untouched.wat
index fa2e3a58..432d6c85 100644
--- a/tests/compiler/std/string.untouched.wat
+++ b/tests/compiler/std/string.untouched.wat
@@ -20,10 +20,10 @@
  (memory $0 1)
  (data (i32.const 8) "\01\00\00\00 \00\00\00h\00i\00,\00 \00I\00\'\00m\00 \00a\00 \00s\00t\00r\00i\00n\00g\00")
  (data (i32.const 48) "\01\00\00\00\1a\00\00\00s\00t\00d\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
- (data (i32.const 88) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
- (data (i32.const 128) "\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00u\00n\00t\00i\00m\00e\00.\00t\00s\00")
- (data (i32.const 168) "\01\00\00\00\02\00\00\00\00\00")
- (data (i32.const 184) "\01\00\00\00\02\00\00\006\00")
+ (data (i32.const 88) "\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00u\00n\00t\00i\00m\00e\00.\00t\00s\00")
+ (data (i32.const 128) "\01\00\00\00\02\00\00\00\00\00")
+ (data (i32.const 144) "\01\00\00\00\02\00\00\006\00")
+ (data (i32.const 160) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
  (data (i32.const 200) "\01\00\00\00\04\00\00\004\d8\06\df")
  (data (i32.const 216) "\01\00\00\00\04\00\00\00h\00i\00")
  (data (i32.const 232) "\01\00\00\00\08\00\00\00n\00u\00l\00l\00")
@@ -218,18 +218,6 @@
   i32.shr_u
  )
  (func $~lib/string/String#charCodeAt (; 2 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
-  local.get $0
-  i32.const 0
-  i32.ne
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 96
-   i32.const 44
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   local.get $0
   call $~lib/string/String#get:length
@@ -365,7 +353,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 191
    i32.const 2
    call $~lib/env/abort
@@ -380,7 +368,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 192
    i32.const 2
    call $~lib/env/abort
@@ -471,7 +459,7 @@
   end
   local.get $5
  )
- (func $~lib/string/String.eq (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -526,7 +514,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
+   i32.const 168
    i32.const 21
    i32.const 4
    call $~lib/env/abort
@@ -599,8 +587,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 165
+   i32.const 168
+   i32.const 161
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -665,8 +653,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 78
+   i32.const 168
+   i32.const 74
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -729,8 +717,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 134
+   i32.const 168
+   i32.const 130
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2288,8 +2276,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 282
+   i32.const 168
+   i32.const 278
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2397,8 +2385,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 303
+   i32.const 168
+   i32.const 299
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -2507,8 +2495,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 150
+   i32.const 168
+   i32.const 146
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -3021,8 +3009,8 @@
             i32.eqz
             if
              i32.const 0
-             i32.const 96
-             i32.const 569
+             i32.const 168
+             i32.const 565
              i32.const 10
              call $~lib/env/abort
              unreachable
@@ -3096,18 +3084,6 @@
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
-  local.get $0
-  i32.const 0
-  i32.ne
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 96
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 0
   i32.eq
@@ -3161,24 +3137,23 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/string/String.concat (; 25 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 25 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
-  i32.eqz
-  if
-   i32.const 240
-   local.set $0
-  end
+  i32.const 240
   local.get $0
+  i32.const 0
+  i32.ne
+  select
   local.get $1
   call $~lib/string/String#concat
  )
- (func $~lib/string/String.ne (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__ne (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
  )
- (func $~lib/string/String.gt (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__gt (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3240,7 +3215,7 @@
   i32.const 0
   i32.gt_s
  )
- (func $~lib/string/String.lt (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__lt (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3302,16 +3277,16 @@
   i32.const 0
   i32.lt_s
  )
- (func $~lib/string/String.gte (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__gte (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
  )
- (func $~lib/string/String.lte (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__lte (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
  )
  (func $~lib/string/String#repeat (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
@@ -3324,8 +3299,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 324
+   i32.const 168
+   i32.const 320
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -3352,8 +3327,8 @@
   end
   if
    i32.const 0
-   i32.const 96
-   i32.const 329
+   i32.const 168
+   i32.const 325
    i32.const 6
    call $~lib/env/abort
    unreachable
@@ -3806,7 +3781,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 136
+   i32.const 96
    i32.const 226
    i32.const 57
    call $~lib/env/abort
@@ -3954,7 +3929,7 @@
      i32.eqz
      if
       i32.const 0
-      i32.const 136
+      i32.const 96
       i32.const 100
       i32.const 8
       call $~lib/env/abort
@@ -3987,7 +3962,7 @@
   i32.store offset=4
   local.get $0
  )
- (func $~lib/array/ensureLength (; 41 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/array/ensureCapacity (; 41 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -4014,7 +3989,7 @@
     i32.const 0
     i32.const 1440
     i32.const 12
-    i32.const 59
+    i32.const 64
     call $~lib/env/abort
     unreachable
    end
@@ -4054,7 +4029,7 @@
   i32.const 1
   i32.add
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   i32.load offset=4
   local.get $1
@@ -4075,35 +4050,7 @@
    i32.store offset=12
   end
  )
- (func $~lib/runtime/assertRegistered (; 43 ;) (type $FUNCSIG$vi) (param $0 i32)
-  local.get $0
-  global.get $~lib/runtime/HEADER_SIZE
-  i32.sub
-  i32.load
-  global.get $~lib/runtime/HEADER_MAGIC
-  i32.ne
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 136
-   i32.const 199
-   i32.const 2
-   call $~lib/env/abort
-   unreachable
-  end
- )
- (func $~lib/runtime/doLink (; 44 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
-  local.get $0
-  call $~lib/runtime/assertRegistered
-  local.get $1
-  call $~lib/runtime/assertRegistered
- )
- (func $~lib/runtime/LINK<String,Array<String>> (; 45 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
-  local.get $0
-  local.get $1
-  call $~lib/runtime/doLink
- )
- (func $~lib/array/Array<String>#push (; 46 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<String>#push (; 43 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   i32.load offset=12
@@ -4113,7 +4060,7 @@
   local.get $0
   local.get $2
   i32.const 2
-  call $~lib/array/ensureLength
+  call $~lib/array/ensureCapacity
   local.get $0
   local.get $2
   i32.store offset=12
@@ -4129,7 +4076,30 @@
   i32.store
   local.get $2
  )
- (func $~lib/string/String#split (; 47 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/runtime/assertRegistered (; 44 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  global.get $~lib/runtime/HEADER_SIZE
+  i32.sub
+  i32.load
+  global.get $~lib/runtime/HEADER_MAGIC
+  i32.ne
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 96
+   i32.const 199
+   i32.const 2
+   call $~lib/env/abort
+   unreachable
+  end
+ )
+ (func $~lib/runtime/doLink (; 45 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  local.get $0
+  call $~lib/runtime/assertRegistered
+  local.get $1
+  call $~lib/runtime/assertRegistered
+ )
+ (func $~lib/string/String#split (; 46 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -4148,8 +4118,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 351
+   i32.const 168
+   i32.const 347
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -4249,8 +4219,6 @@
       i32.const 2
       i32.shl
       i32.add
-      local.get $8
-      i32.store
       block $~lib/runtime/REGISTER<String>|inlined.7 (result i32)
        local.get $8
        local.set $9
@@ -4258,8 +4226,7 @@
        i32.const 1
        call $~lib/runtime/doRegister
       end
-      local.get $3
-      call $~lib/runtime/LINK<String,Array<String>>
+      i32.store
      end
      local.get $7
      i32.const 1
@@ -4443,11 +4410,11 @@
   end
   local.get $10
  )
- (func $~lib/array/Array<String>#get:length (; 48 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<String>#get:length (; 47 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
  )
- (func $~lib/util/number/decimalCount32 (; 49 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/decimalCount32 (; 48 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
   i32.const 100000
@@ -4516,7 +4483,7 @@
   unreachable
   unreachable
  )
- (func $~lib/util/number/utoa32_lut (; 50 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/util/number/utoa32_lut (; 49 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -4659,7 +4626,7 @@
    i32.store16
   end
  )
- (func $~lib/util/number/itoa32 (; 51 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/itoa32 (; 50 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -4723,7 +4690,7 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/util/number/utoa32 (; 52 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/util/number/utoa32 (; 51 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -4767,7 +4734,7 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/util/number/decimalCount64 (; 53 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/decimalCount64 (; 52 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   (local $1 i32)
   local.get $0
   i64.const 1000000000000000
@@ -4836,7 +4803,7 @@
   unreachable
   unreachable
  )
- (func $~lib/util/number/utoa64_lut (; 54 ;) (type $FUNCSIG$viji) (param $0 i32) (param $1 i64) (param $2 i32)
+ (func $~lib/util/number/utoa64_lut (; 53 ;) (type $FUNCSIG$viji) (param $0 i32) (param $1 i64) (param $2 i32)
   (local $3 i32)
   (local $4 i64)
   (local $5 i32)
@@ -4964,7 +4931,7 @@
   local.get $2
   call $~lib/util/number/utoa32_lut
  )
- (func $~lib/util/number/utoa64 (; 55 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/utoa64 (; 54 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -5044,7 +5011,7 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/util/number/itoa64 (; 56 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
+ (func $~lib/util/number/itoa64 (; 55 ;) (type $FUNCSIG$ij) (param $0 i64) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -5146,19 +5113,19 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/builtins/isFinite<f64> (; 57 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
+ (func $~lib/builtins/isFinite<f64> (; 56 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
   local.get $0
   local.get $0
   f64.sub
   f64.const 0
   f64.eq
  )
- (func $~lib/builtins/isNaN<f64> (; 58 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
+ (func $~lib/builtins/isNaN<f64> (; 57 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
   local.get $0
   local.get $0
   f64.ne
  )
- (func $~lib/util/number/genDigits (; 59 ;) (type $FUNCSIG$iijijiji) (param $0 i32) (param $1 i64) (param $2 i32) (param $3 i64) (param $4 i32) (param $5 i64) (param $6 i32) (result i32)
+ (func $~lib/util/number/genDigits (; 58 ;) (type $FUNCSIG$iijijiji) (param $0 i32) (param $1 i64) (param $2 i32) (param $3 i64) (param $4 i32) (param $5 i64) (param $6 i32) (result i32)
   (local $7 i32)
   (local $8 i64)
   (local $9 i64)
@@ -5729,7 +5696,7 @@
   end
   local.get $15
  )
- (func $~lib/util/number/prettify (; 60 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/util/number/prettify (; 59 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -6062,7 +6029,7 @@
   unreachable
   unreachable
  )
- (func $~lib/util/number/dtoa_core (; 61 ;) (type $FUNCSIG$iid) (param $0 i32) (param $1 f64) (result i32)
+ (func $~lib/util/number/dtoa_core (; 60 ;) (type $FUNCSIG$iid) (param $0 i32) (param $1 f64) (result i32)
   (local $2 i32)
   (local $3 f64)
   (local $4 i32)
@@ -6508,7 +6475,7 @@
   local.get $2
   i32.add
  )
- (func $~lib/string/String#substring (; 62 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/string/String#substring (; 61 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -6523,8 +6490,8 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 96
-   i32.const 190
+   i32.const 168
+   i32.const 186
    i32.const 4
    call $~lib/env/abort
    unreachable
@@ -6634,7 +6601,7 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/runtime/doDiscard (; 63 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/runtime/doDiscard (; 62 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   call $~lib/runtime/assertUnregistered
   local.get $0
@@ -6642,7 +6609,7 @@
   i32.sub
   call $~lib/memory/memory.free
  )
- (func $~lib/util/number/dtoa (; 64 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
+ (func $~lib/util/number/dtoa (; 63 ;) (type $FUNCSIG$id) (param $0 f64) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -6698,7 +6665,7 @@
   end
   local.get $4
  )
- (func $start:std/string (; 65 ;) (type $FUNCSIG$v)
+ (func $start:std/string (; 64 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -6753,8 +6720,8 @@
   global.set $~lib/allocator/arena/offset
   i32.const 0
   call $~lib/string/String.fromCharCode
-  i32.const 176
-  call $~lib/string/String.eq
+  i32.const 136
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6766,8 +6733,8 @@
   end
   i32.const 54
   call $~lib/string/String.fromCharCode
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6781,8 +6748,8 @@
   i32.const 54
   i32.add
   call $~lib/string/String.fromCharCode
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6794,8 +6761,8 @@
   end
   i32.const 0
   call $~lib/string/String.fromCodePoint
-  i32.const 176
-  call $~lib/string/String.eq
+  i32.const 136
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6807,8 +6774,8 @@
   end
   i32.const 54
   call $~lib/string/String.fromCodePoint
-  i32.const 192
-  call $~lib/string/String.eq
+  i32.const 152
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6885,7 +6852,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6900,7 +6867,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6915,7 +6882,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   i32.const 320
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6930,7 +6897,7 @@
   i32.const 312
   call $~lib/string/String#padStart
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6945,7 +6912,7 @@
   i32.const 312
   call $~lib/string/String#padStart
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6960,7 +6927,7 @@
   i32.const 296
   call $~lib/string/String#padStart
   i32.const 368
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6975,7 +6942,7 @@
   i32.const 392
   call $~lib/string/String#padStart
   i32.const 408
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -6990,7 +6957,7 @@
   i32.const 392
   call $~lib/string/String#padStart
   i32.const 432
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7005,7 +6972,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7020,7 +6987,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   global.get $std/string/str
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7035,7 +7002,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   i32.const 320
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7050,7 +7017,7 @@
   i32.const 312
   call $~lib/string/String#padEnd
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7065,7 +7032,7 @@
   i32.const 312
   call $~lib/string/String#padEnd
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7080,7 +7047,7 @@
   i32.const 296
   call $~lib/string/String#padEnd
   i32.const 456
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7095,7 +7062,7 @@
   i32.const 352
   call $~lib/string/String#padEnd
   i32.const 480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7110,7 +7077,7 @@
   i32.const 352
   call $~lib/string/String#padEnd
   i32.const 504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7615,11 +7582,11 @@
   end
   i32.const 336
   i32.const 824
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
   global.set $std/string/c
   global.get $std/string/c
   i32.const 840
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7631,7 +7598,7 @@
   end
   global.get $std/string/c
   i32.const 336
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7643,7 +7610,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7655,7 +7622,7 @@
   end
   i32.const 312
   global.get $std/string/nullStr
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7667,7 +7634,7 @@
   end
   global.get $std/string/nullStr
   i32.const 312
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7679,7 +7646,7 @@
   end
   i32.const 336
   i32.const 824
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7691,7 +7658,7 @@
   end
   i32.const 336
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7703,7 +7670,7 @@
   end
   i32.const 856
   i32.const 872
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7715,7 +7682,7 @@
   end
   i32.const 856
   i32.const 856
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7727,7 +7694,7 @@
   end
   i32.const 888
   i32.const 904
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7739,7 +7706,7 @@
   end
   i32.const 920
   i32.const 944
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7751,7 +7718,7 @@
   end
   i32.const 968
   i32.const 968
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -7763,7 +7730,7 @@
   end
   i32.const 968
   i32.const 992
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7775,7 +7742,7 @@
   end
   i32.const 1016
   i32.const 1048
-  call $~lib/string/String.ne
+  call $~lib/string/String.__ne
   i32.eqz
   if
    i32.const 0
@@ -7787,7 +7754,7 @@
   end
   i32.const 824
   i32.const 336
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -7799,7 +7766,7 @@
   end
   i32.const 1080
   i32.const 336
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -7811,7 +7778,7 @@
   end
   i32.const 1080
   i32.const 1096
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -7823,7 +7790,7 @@
   end
   i32.const 1080
   i32.const 840
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -7835,7 +7802,7 @@
   end
   i32.const 1080
   i32.const 840
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   i32.eqz
   if
@@ -7848,7 +7815,7 @@
   end
   i32.const 824
   global.get $std/string/nullStr
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   i32.eqz
   if
@@ -7861,7 +7828,7 @@
   end
   global.get $std/string/nullStr
   i32.const 824
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   i32.eqz
   if
@@ -7874,7 +7841,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -7886,7 +7853,7 @@
   end
   i32.const 312
   i32.const 352
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   if
    i32.const 0
@@ -7898,7 +7865,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -7910,7 +7877,7 @@
   end
   i32.const 312
   i32.const 352
-  call $~lib/string/String.lte
+  call $~lib/string/String.__lte
   i32.eqz
   if
    i32.const 0
@@ -7922,7 +7889,7 @@
   end
   i32.const 352
   i32.const 312
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   i32.eqz
   if
@@ -7935,7 +7902,7 @@
   end
   i32.const 312
   i32.const 352
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   i32.eqz
   if
@@ -7948,7 +7915,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.lt
+  call $~lib/string/String.__lt
   i32.eqz
   i32.eqz
   if
@@ -7961,7 +7928,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   i32.eqz
   if
@@ -7974,7 +7941,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.gte
+  call $~lib/string/String.__gte
   i32.eqz
   if
    i32.const 0
@@ -7986,7 +7953,7 @@
   end
   i32.const 312
   i32.const 312
-  call $~lib/string/String.lte
+  call $~lib/string/String.__lte
   i32.eqz
   if
    i32.const 0
@@ -8003,11 +7970,11 @@
   call $~lib/string/String.fromCodePoint
   i32.const 56322
   call $~lib/string/String.fromCodePoint
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
   global.set $std/string/b
   global.get $std/string/a
   global.get $std/string/b
-  call $~lib/string/String.gt
+  call $~lib/string/String.__gt
   i32.eqz
   if
    i32.const 0
@@ -8034,7 +8001,7 @@
   i32.const 100
   call $~lib/string/String#repeat
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8048,7 +8015,7 @@
   i32.const 0
   call $~lib/string/String#repeat
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8062,7 +8029,7 @@
   i32.const 1
   call $~lib/string/String#repeat
   i32.const 336
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8076,7 +8043,7 @@
   i32.const 2
   call $~lib/string/String#repeat
   i32.const 1096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8090,7 +8057,7 @@
   i32.const 3
   call $~lib/string/String#repeat
   i32.const 1112
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8104,7 +8071,7 @@
   i32.const 4
   call $~lib/string/String#repeat
   i32.const 1128
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8118,7 +8085,7 @@
   i32.const 5
   call $~lib/string/String#repeat
   i32.const 1152
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8132,7 +8099,7 @@
   i32.const 6
   call $~lib/string/String#repeat
   i32.const 1176
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8146,7 +8113,7 @@
   i32.const 7
   call $~lib/string/String#repeat
   i32.const 1200
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8163,7 +8130,7 @@
   global.get $~lib/builtins/i32.MAX_VALUE
   call $~lib/string/String#slice
   i32.const 1224
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8178,7 +8145,7 @@
   global.get $~lib/builtins/i32.MAX_VALUE
   call $~lib/string/String#slice
   i32.const 1264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8193,7 +8160,7 @@
   global.get $~lib/builtins/i32.MAX_VALUE
   call $~lib/string/String#slice
   i32.const 1280
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8208,7 +8175,7 @@
   i32.const 7
   call $~lib/string/String#slice
   i32.const 1304
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8223,7 +8190,7 @@
   i32.const -6
   call $~lib/string/String#slice
   i32.const 1328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8238,7 +8205,7 @@
   i32.const 3
   call $~lib/string/String#slice
   i32.const 312
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8253,7 +8220,7 @@
   i32.const -1
   call $~lib/string/String#slice
   i32.const 1352
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -8290,7 +8257,7 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8348,7 +8315,7 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8388,7 +8355,7 @@
    select
    i32.load
    i32.const 1480
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8428,7 +8395,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8452,7 +8419,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8476,7 +8443,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8518,7 +8485,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8542,7 +8509,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8566,7 +8533,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8608,7 +8575,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8632,7 +8599,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8656,7 +8623,7 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8680,7 +8647,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8722,7 +8689,7 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8746,7 +8713,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8770,7 +8737,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8794,7 +8761,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8836,7 +8803,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8860,7 +8827,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8884,7 +8851,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8908,7 +8875,7 @@
    select
    i32.load
    i32.const 312
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8950,7 +8917,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8974,7 +8941,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -8998,7 +8965,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9058,7 +9025,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9098,7 +9065,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9138,7 +9105,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9162,7 +9129,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9186,7 +9153,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9228,7 +9195,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9252,7 +9219,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9276,7 +9243,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9318,7 +9285,7 @@
    select
    i32.load
    i32.const 336
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9342,7 +9309,7 @@
    select
    i32.load
    i32.const 824
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9366,7 +9333,7 @@
    select
    i32.load
    i32.const 1520
-   call $~lib/string/String.eq
+   call $~lib/string/String.__eq
   else   
    local.get $2
   end
@@ -9384,7 +9351,7 @@
   i32.const 0
   call $~lib/util/number/itoa32
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9397,7 +9364,7 @@
   i32.const 1
   call $~lib/util/number/itoa32
   i32.const 624
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9410,7 +9377,7 @@
   i32.const 8
   call $~lib/util/number/itoa32
   i32.const 2080
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9423,7 +9390,7 @@
   i32.const 123
   call $~lib/util/number/itoa32
   i32.const 392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9436,7 +9403,7 @@
   i32.const -1000
   call $~lib/util/number/itoa32
   i32.const 2096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9449,7 +9416,7 @@
   i32.const 1234
   call $~lib/util/number/itoa32
   i32.const 2120
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9462,7 +9429,7 @@
   i32.const 12345
   call $~lib/util/number/itoa32
   i32.const 2136
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9475,7 +9442,7 @@
   i32.const 123456
   call $~lib/util/number/itoa32
   i32.const 2160
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9488,7 +9455,7 @@
   i32.const 1111111
   call $~lib/util/number/itoa32
   i32.const 2184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9501,7 +9468,7 @@
   i32.const 1234567
   call $~lib/util/number/itoa32
   i32.const 2208
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9514,7 +9481,7 @@
   i32.const 2147483646
   call $~lib/util/number/itoa32
   i32.const 2232
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9527,7 +9494,7 @@
   i32.const 2147483647
   call $~lib/util/number/itoa32
   i32.const 2264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9540,7 +9507,7 @@
   i32.const -2147483648
   call $~lib/util/number/itoa32
   i32.const 2296
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9553,7 +9520,7 @@
   i32.const -1
   call $~lib/util/number/itoa32
   i32.const 2328
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9566,7 +9533,7 @@
   i32.const 0
   call $~lib/util/number/utoa32
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9579,7 +9546,7 @@
   i32.const 1000
   call $~lib/util/number/utoa32
   i32.const 2344
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9592,7 +9559,7 @@
   i32.const 2147483647
   call $~lib/util/number/utoa32
   i32.const 2264
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9605,7 +9572,7 @@
   i32.const -2147483648
   call $~lib/util/number/utoa32
   i32.const 2360
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9618,7 +9585,7 @@
   global.get $~lib/builtins/u32.MAX_VALUE
   call $~lib/util/number/utoa32
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9631,7 +9598,7 @@
   i64.const 0
   call $~lib/util/number/utoa64
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9644,7 +9611,7 @@
   i64.const 1234
   call $~lib/util/number/utoa64
   i32.const 2120
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9657,7 +9624,7 @@
   i64.const 99999999
   call $~lib/util/number/utoa64
   i32.const 2424
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9670,7 +9637,7 @@
   i64.const 100000000
   call $~lib/util/number/utoa64
   i32.const 2448
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9683,7 +9650,7 @@
   i64.const 4294967295
   call $~lib/util/number/utoa64
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9696,7 +9663,7 @@
   i64.const 68719476735
   call $~lib/util/number/utoa64
   i32.const 2480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9709,7 +9676,7 @@
   i64.const 868719476735
   call $~lib/util/number/utoa64
   i32.const 2512
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9722,7 +9689,7 @@
   i64.const 999868719476735
   call $~lib/util/number/utoa64
   i32.const 2544
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9735,7 +9702,7 @@
   i64.const 9999868719476735
   call $~lib/util/number/utoa64
   i32.const 2584
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9748,7 +9715,7 @@
   i64.const 19999868719476735
   call $~lib/util/number/utoa64
   i32.const 2624
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9761,7 +9728,7 @@
   global.get $~lib/builtins/u64.MAX_VALUE
   call $~lib/util/number/utoa64
   i32.const 2672
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9774,7 +9741,7 @@
   i64.const 0
   call $~lib/util/number/itoa64
   i32.const 608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9787,7 +9754,7 @@
   i64.const -1234
   call $~lib/util/number/itoa64
   i32.const 2720
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9800,7 +9767,7 @@
   i64.const 4294967295
   call $~lib/util/number/itoa64
   i32.const 2392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9813,7 +9780,7 @@
   i64.const -4294967295
   call $~lib/util/number/itoa64
   i32.const 2744
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9826,7 +9793,7 @@
   i64.const 68719476735
   call $~lib/util/number/itoa64
   i32.const 2480
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9839,7 +9806,7 @@
   i64.const -68719476735
   call $~lib/util/number/itoa64
   i32.const 2776
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9852,7 +9819,7 @@
   i64.const -868719476735
   call $~lib/util/number/itoa64
   i32.const 2808
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9865,7 +9832,7 @@
   i64.const -999868719476735
   call $~lib/util/number/itoa64
   i32.const 2848
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9878,7 +9845,7 @@
   i64.const -19999868719476735
   call $~lib/util/number/itoa64
   i32.const 2888
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9891,7 +9858,7 @@
   global.get $~lib/builtins/i64.MAX_VALUE
   call $~lib/util/number/itoa64
   i32.const 2936
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9904,7 +9871,7 @@
   global.get $~lib/builtins/i64.MIN_VALUE
   call $~lib/util/number/itoa64
   i32.const 2984
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9917,7 +9884,7 @@
   f64.const 0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9930,7 +9897,7 @@
   f64.const -0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9943,7 +9910,7 @@
   f64.const nan:0x8000000000000
   call $~lib/util/number/dtoa
   i32.const 3048
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9956,7 +9923,7 @@
   f64.const inf
   call $~lib/util/number/dtoa
   i32.const 3096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9970,7 +9937,7 @@
   f64.neg
   call $~lib/util/number/dtoa
   i32.const 3064
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9983,7 +9950,7 @@
   global.get $~lib/builtins/f64.EPSILON
   call $~lib/util/number/dtoa
   i32.const 4128
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -9997,7 +9964,7 @@
   f64.neg
   call $~lib/util/number/dtoa
   i32.const 4184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10010,7 +9977,7 @@
   global.get $~lib/builtins/f64.MAX_VALUE
   call $~lib/util/number/dtoa
   i32.const 4240
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10024,7 +9991,7 @@
   f64.neg
   call $~lib/util/number/dtoa
   i32.const 4296
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10037,7 +10004,7 @@
   f64.const 4185580496821356722454785e274
   call $~lib/util/number/dtoa
   i32.const 4352
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10050,7 +10017,7 @@
   f64.const 2.2250738585072014e-308
   call $~lib/util/number/dtoa
   i32.const 4408
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10063,7 +10030,7 @@
   f64.const 4.940656e-318
   call $~lib/util/number/dtoa
   i32.const 4464
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10076,7 +10043,7 @@
   f64.const 9060801153433600
   call $~lib/util/number/dtoa
   i32.const 4504
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10089,7 +10056,7 @@
   f64.const 4708356024711512064
   call $~lib/util/number/dtoa
   i32.const 4552
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10102,7 +10069,7 @@
   f64.const 9409340012568248320
   call $~lib/util/number/dtoa
   i32.const 4608
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10115,7 +10082,7 @@
   f64.const 5e-324
   call $~lib/util/number/dtoa
   i32.const 4664
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10128,7 +10095,7 @@
   f64.const 1
   call $~lib/util/number/dtoa
   i32.const 4688
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10141,7 +10108,7 @@
   f64.const 0.1
   call $~lib/util/number/dtoa
   i32.const 768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10154,7 +10121,7 @@
   f64.const -1
   call $~lib/util/number/dtoa
   i32.const 4704
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10167,7 +10134,7 @@
   f64.const -0.1
   call $~lib/util/number/dtoa
   i32.const 4720
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10180,7 +10147,7 @@
   f64.const 1e6
   call $~lib/util/number/dtoa
   i32.const 4736
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10193,7 +10160,7 @@
   f64.const 1e-06
   call $~lib/util/number/dtoa
   i32.const 4768
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10206,7 +10173,7 @@
   f64.const -1e6
   call $~lib/util/number/dtoa
   i32.const 4792
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10219,7 +10186,7 @@
   f64.const -1e-06
   call $~lib/util/number/dtoa
   i32.const 4824
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10232,7 +10199,7 @@
   f64.const 1e7
   call $~lib/util/number/dtoa
   i32.const 4856
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10245,7 +10212,7 @@
   f64.const 1e-07
   call $~lib/util/number/dtoa
   i32.const 4888
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10258,7 +10225,7 @@
   f64.const 1.e+308
   call $~lib/util/number/dtoa
   i32.const 4904
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10271,7 +10238,7 @@
   f64.const -1.e+308
   call $~lib/util/number/dtoa
   i32.const 4928
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10284,7 +10251,7 @@
   f64.const inf
   call $~lib/util/number/dtoa
   i32.const 3096
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10297,7 +10264,7 @@
   f64.const -inf
   call $~lib/util/number/dtoa
   i32.const 3064
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10310,7 +10277,7 @@
   f64.const 1e-308
   call $~lib/util/number/dtoa
   i32.const 4952
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10323,7 +10290,7 @@
   f64.const -1e-308
   call $~lib/util/number/dtoa
   i32.const 4976
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10336,7 +10303,7 @@
   f64.const 1e-323
   call $~lib/util/number/dtoa
   i32.const 5000
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10349,7 +10316,7 @@
   f64.const -1e-323
   call $~lib/util/number/dtoa
   i32.const 5024
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10362,7 +10329,7 @@
   f64.const 0
   call $~lib/util/number/dtoa
   i32.const 3032
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10375,7 +10342,7 @@
   f64.const 4294967272
   call $~lib/util/number/dtoa
   i32.const 5048
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10388,7 +10355,7 @@
   f64.const 1.2312145673456234e-08
   call $~lib/util/number/dtoa
   i32.const 5080
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10401,7 +10368,7 @@
   f64.const 555555555.5555556
   call $~lib/util/number/dtoa
   i32.const 5136
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10414,7 +10381,7 @@
   f64.const 0.9999999999999999
   call $~lib/util/number/dtoa
   i32.const 5184
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10427,7 +10394,7 @@
   f64.const 1
   call $~lib/util/number/dtoa
   i32.const 4688
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10440,7 +10407,7 @@
   f64.const 12.34
   call $~lib/util/number/dtoa
   i32.const 5232
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10455,7 +10422,7 @@
   f64.div
   call $~lib/util/number/dtoa
   i32.const 5256
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10468,7 +10435,7 @@
   f64.const 1234e17
   call $~lib/util/number/dtoa
   i32.const 5304
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10481,7 +10448,7 @@
   f64.const 1234e18
   call $~lib/util/number/dtoa
   i32.const 5360
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10494,7 +10461,7 @@
   f64.const 2.71828
   call $~lib/util/number/dtoa
   i32.const 5392
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10507,7 +10474,7 @@
   f64.const 0.0271828
   call $~lib/util/number/dtoa
   i32.const 5416
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10520,7 +10487,7 @@
   f64.const 271.828
   call $~lib/util/number/dtoa
   i32.const 5448
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10533,7 +10500,7 @@
   f64.const 1.1e+128
   call $~lib/util/number/dtoa
   i32.const 5472
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10546,7 +10513,7 @@
   f64.const 1.1e-64
   call $~lib/util/number/dtoa
   i32.const 5496
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10559,7 +10526,7 @@
   f64.const 0.000035689
   call $~lib/util/number/dtoa
   i32.const 5520
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -10570,12 +10537,12 @@
    unreachable
   end
  )
- (func $std/string/getString (; 66 ;) (type $FUNCSIG$i) (result i32)
+ (func $std/string/getString (; 65 ;) (type $FUNCSIG$i) (result i32)
   global.get $std/string/str
  )
- (func $start (; 67 ;) (type $FUNCSIG$v)
+ (func $start (; 66 ;) (type $FUNCSIG$v)
   call $start:std/string
  )
- (func $null (; 68 ;) (type $FUNCSIG$v)
+ (func $null (; 67 ;) (type $FUNCSIG$v)
  )
 )
diff --git a/tests/compiler/std/symbol.optimized.wat b/tests/compiler/std/symbol.optimized.wat
index ce390ff4..2113f214 100644
--- a/tests/compiler/std/symbol.optimized.wat
+++ b/tests/compiler/std/symbol.optimized.wat
@@ -28,12 +28,11 @@
  (data (i32.const 448) "\01\00\00\00\16\00\00\00u\00n\00s\00c\00o\00p\00a\00b\00l\00e\00s")
  (data (i32.const 480) "\01\00\00\00\0e\00\00\00S\00y\00m\00b\00o\00l\00(")
  (data (i32.const 504) "\01\00\00\00\08\00\00\00n\00u\00l\00l")
- (data (i32.const 520) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
- (data (i32.const 560) "\01\00\00\00\02\00\00\00)")
- (data (i32.const 576) "\01\00\00\00\10\00\00\00S\00y\00m\00b\00o\00l\00(\00)")
- (data (i32.const 600) "\01\00\00\00\16\00\00\00S\00y\00m\00b\00o\00l\00(\001\002\003\00)")
- (data (i32.const 632) "\01\00\00\00&\00\00\00S\00y\00m\00b\00o\00l\00(\00h\00a\00s\00I\00n\00s\00t\00a\00n\00c\00e\00)")
- (data (i32.const 680) "\01\00\00\004\00\00\00S\00y\00m\00b\00o\00l\00(\00i\00s\00C\00o\00n\00c\00a\00t\00S\00p\00r\00e\00a\00d\00a\00b\00l\00e\00)")
+ (data (i32.const 520) "\01\00\00\00\02\00\00\00)")
+ (data (i32.const 536) "\01\00\00\00\10\00\00\00S\00y\00m\00b\00o\00l\00(\00)")
+ (data (i32.const 560) "\01\00\00\00\16\00\00\00S\00y\00m\00b\00o\00l\00(\001\002\003\00)")
+ (data (i32.const 592) "\01\00\00\00&\00\00\00S\00y\00m\00b\00o\00l\00(\00h\00a\00s\00I\00n\00s\00t\00a\00n\00c\00e\00)")
+ (data (i32.const 640) "\01\00\00\004\00\00\00S\00y\00m\00b\00o\00l\00(\00i\00s\00C\00o\00n\00c\00a\00t\00S\00p\00r\00e\00a\00d\00a\00b\00l\00e\00)")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/symbol/nextId (mut i32) (i32.const 12))
@@ -139,7 +138,7 @@
  )
  (func $~lib/runtime/assertUnregistered (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  i32.const 740
+  i32.const 700
   i32.le_u
   if
    i32.const 0
@@ -562,7 +561,7 @@
   end
   local.get $3
  )
- (func $~lib/string/String.eq (; 12 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 12 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $0
   local.get $1
@@ -633,7 +632,7 @@
      local.get $1
      i32.load
      i32.const 16
-     call $~lib/string/String.eq
+     call $~lib/string/String.__eq
     else     
      local.get $0
     end
@@ -2291,16 +2290,6 @@
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
-  local.get $0
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 528
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 512
   local.get $1
@@ -2346,7 +2335,7 @@
   i32.const 1
   call $~lib/runtime/doRegister
  )
- (func $~lib/string/String.concat (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   i32.const 512
   local.get $0
@@ -2434,9 +2423,9 @@
     i32.const 160
    end
   end
-  call $~lib/string/String.concat
-  i32.const 568
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
+  i32.const 528
+  call $~lib/string/String.__concat
  )
  (func $start:std/symbol (; 29 ;) (type $FUNCSIG$v)
   (local $0 i32)
@@ -2475,7 +2464,7 @@
    call $~lib/env/abort
    unreachable
   end
-  i32.const 744
+  i32.const 704
   global.set $~lib/allocator/arena/startOffset
   global.get $~lib/allocator/arena/startOffset
   global.set $~lib/allocator/arena/offset
@@ -2526,7 +2515,7 @@
   global.set $std/symbol/key4
   global.get $std/symbol/key3
   i32.const 16
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2538,7 +2527,7 @@
   end
   global.get $std/symbol/key3
   global.get $std/symbol/key4
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2560,8 +2549,8 @@
   end
   local.get $0
   call $~lib/symbol/_Symbol#toString
-  i32.const 584
-  call $~lib/string/String.eq
+  i32.const 544
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2573,8 +2562,8 @@
   end
   global.get $std/symbol/sym3
   call $~lib/symbol/_Symbol#toString
-  i32.const 608
-  call $~lib/string/String.eq
+  i32.const 568
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2590,8 +2579,8 @@
   global.set $std/symbol/isConcatSpreadable
   global.get $std/symbol/hasInstance
   call $~lib/symbol/_Symbol#toString
-  i32.const 640
-  call $~lib/string/String.eq
+  i32.const 600
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -2603,8 +2592,8 @@
   end
   global.get $std/symbol/isConcatSpreadable
   call $~lib/symbol/_Symbol#toString
-  i32.const 688
-  call $~lib/string/String.eq
+  i32.const 648
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
diff --git a/tests/compiler/std/symbol.untouched.wat b/tests/compiler/std/symbol.untouched.wat
index 274f9b61..50b9392d 100644
--- a/tests/compiler/std/symbol.untouched.wat
+++ b/tests/compiler/std/symbol.untouched.wat
@@ -28,12 +28,11 @@
  (data (i32.const 448) "\01\00\00\00\16\00\00\00u\00n\00s\00c\00o\00p\00a\00b\00l\00e\00s\00")
  (data (i32.const 480) "\01\00\00\00\0e\00\00\00S\00y\00m\00b\00o\00l\00(\00")
  (data (i32.const 504) "\01\00\00\00\08\00\00\00n\00u\00l\00l\00")
- (data (i32.const 520) "\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
- (data (i32.const 560) "\01\00\00\00\02\00\00\00)\00")
- (data (i32.const 576) "\01\00\00\00\10\00\00\00S\00y\00m\00b\00o\00l\00(\00)\00")
- (data (i32.const 600) "\01\00\00\00\16\00\00\00S\00y\00m\00b\00o\00l\00(\001\002\003\00)\00")
- (data (i32.const 632) "\01\00\00\00&\00\00\00S\00y\00m\00b\00o\00l\00(\00h\00a\00s\00I\00n\00s\00t\00a\00n\00c\00e\00)\00")
- (data (i32.const 680) "\01\00\00\004\00\00\00S\00y\00m\00b\00o\00l\00(\00i\00s\00C\00o\00n\00c\00a\00t\00S\00p\00r\00e\00a\00d\00a\00b\00l\00e\00)\00")
+ (data (i32.const 520) "\01\00\00\00\02\00\00\00)\00")
+ (data (i32.const 536) "\01\00\00\00\10\00\00\00S\00y\00m\00b\00o\00l\00(\00)\00")
+ (data (i32.const 560) "\01\00\00\00\16\00\00\00S\00y\00m\00b\00o\00l\00(\001\002\003\00)\00")
+ (data (i32.const 592) "\01\00\00\00&\00\00\00S\00y\00m\00b\00o\00l\00(\00h\00a\00s\00I\00n\00s\00t\00a\00n\00c\00e\00)\00")
+ (data (i32.const 640) "\01\00\00\004\00\00\00S\00y\00m\00b\00o\00l\00(\00i\00s\00C\00o\00n\00c\00a\00t\00S\00p\00r\00e\00a\00d\00a\00b\00l\00e\00)\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/runtime/GC_IMPLEMENTED i32 (i32.const 0))
@@ -58,7 +57,7 @@
  (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/memory/HEAP_BASE i32 (i32.const 740))
+ (global $~lib/memory/HEAP_BASE i32 (i32.const 700))
  (export "memory" (memory $0))
  (export "table" (table $0))
  (start $start)
@@ -764,7 +763,7 @@
   end
   local.get $5
  )
- (func $~lib/string/String.eq (; 17 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 17 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -837,7 +836,7 @@
        local.get $3
        i32.load
        local.get $1
-       call $~lib/string/String.eq
+       call $~lib/string/String.__eq
       else       
        local.get $4
       end
@@ -3006,18 +3005,6 @@
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
-  local.get $0
-  i32.const 0
-  i32.ne
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 528
-   i32.const 65
-   i32.const 4
-   call $~lib/env/abort
-   unreachable
-  end
   local.get $1
   i32.const 0
   i32.eq
@@ -3071,14 +3058,13 @@
    call $~lib/runtime/doRegister
   end
  )
- (func $~lib/string/String.concat (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__concat (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
-  i32.eqz
-  if
-   i32.const 512
-   local.set $0
-  end
+  i32.const 512
   local.get $0
+  i32.const 0
+  i32.ne
+  select
   local.get $1
   call $~lib/string/String#concat
  )
@@ -3264,9 +3250,9 @@
   end
   i32.const 488
   local.get $2
-  call $~lib/string/String.concat
-  i32.const 568
-  call $~lib/string/String.concat
+  call $~lib/string/String.__concat
+  i32.const 528
+  call $~lib/string/String.__concat
  )
  (func $start:std/symbol (; 36 ;) (type $FUNCSIG$v)
   i32.const 16
@@ -3353,7 +3339,7 @@
   global.set $std/symbol/key4
   global.get $std/symbol/key3
   i32.const 16
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3365,7 +3351,7 @@
   end
   global.get $std/symbol/key3
   global.get $std/symbol/key4
-  call $~lib/string/String.eq
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3378,8 +3364,8 @@
   i32.const 0
   call $~lib/symbol/Symbol
   call $~lib/symbol/_Symbol#toString
-  i32.const 584
-  call $~lib/string/String.eq
+  i32.const 544
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3391,8 +3377,8 @@
   end
   global.get $std/symbol/sym3
   call $~lib/symbol/_Symbol#toString
-  i32.const 608
-  call $~lib/string/String.eq
+  i32.const 568
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3408,8 +3394,8 @@
   global.set $std/symbol/isConcatSpreadable
   global.get $std/symbol/hasInstance
   call $~lib/symbol/_Symbol#toString
-  i32.const 640
-  call $~lib/string/String.eq
+  i32.const 600
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0
@@ -3421,8 +3407,8 @@
   end
   global.get $std/symbol/isConcatSpreadable
   call $~lib/symbol/_Symbol#toString
-  i32.const 688
-  call $~lib/string/String.eq
+  i32.const 648
+  call $~lib/string/String.__eq
   i32.eqz
   if
    i32.const 0