Rename wast to wat

tests/compiler/inlining.optimized.wat

@@ -0,0 +1,31 @@
+(module
+ (type $i (func (result i32)))
+ (type $iiiiv (func (param i32 i32 i32 i32)))
+ (type $v (func))
+ (import "env" "abort" (func $abort (param i32 i32 i32 i32)))
+ (memory $0 1)
+ (data (i32.const 4) "\0b\00\00\00i\00n\00l\00i\00n\00i\00n\00g\00.\00t\00s")
+ (export "test" (func $inlining/test))
+ (export "memory" (memory $0))
+ (start $start)
+ (func $inlining/test (; 1 ;) (type $i) (result i32)
+  (i32.const 3)
+ )
+ (func $start (; 2 ;) (type $v)
+  (if
+   (i32.ne
+    (call $inlining/test)
+    (i32.const 3)
+   )
+   (block
+    (call $abort
+     (i32.const 0)
+     (i32.const 4)
+     (i32.const 8)
+     (i32.const 0)
+    )
+    (unreachable)
+   )
+  )
+ )
+)