diff --git a/src/compiler.ts b/src/compiler.ts
index 4128944f4b..3d74e257da 100644
--- a/src/compiler.ts
+++ b/src/compiler.ts
@@ -6947,6 +6947,8 @@ export class Compiler extends DiagnosticEmitter {
     // Wouldn't be here if there wasn't at least one overload
     var overloadPrototypes = assert(instance.prototype.overloads);
 
+    assert(instance.parent.kind == ElementKind.CLASS || instance.parent.kind == ElementKind.INTERFACE);
+    var parentClassInstance = <Class>instance.parent;
     var module = this.module;
     var usizeType = this.options.usizeType;
     var sizeTypeRef = usizeType.toRef();
@@ -6992,6 +6994,8 @@ export class Compiler extends DiagnosticEmitter {
       if (classInstances) {
         for (let _values = Map_values(classInstances), j = 0, l = _values.length; j < l; ++j) {
           let classInstance = _values[j];
+          // Chcek if the parent class is a subtype of instance's class
+          if (!classInstance.isAssignableTo(parentClassInstance)) continue;
           let overloadInstance: Function | null;
           if (isProperty) {
             let boundProperty = assert(classInstance.members!.get(unboundOverloadParent.name));
diff --git a/tests/compiler/class-overloading-cast.json b/tests/compiler/class-overloading-cast.json
new file mode 100644
index 0000000000..1b3c185bda
--- /dev/null
+++ b/tests/compiler/class-overloading-cast.json
@@ -0,0 +1,5 @@
+{
+  "asc_flags": [
+    "--explicitStart"
+  ]
+}
diff --git a/tests/compiler/class-overloading-cast.optimized.wat b/tests/compiler/class-overloading-cast.optimized.wat
new file mode 100644
index 0000000000..fc4cd3f1df
--- /dev/null
+++ b/tests/compiler/class-overloading-cast.optimized.wat
@@ -0,0 +1,2014 @@
+(module
+ (type $none_=>_none (func))
+ (type $i32_=>_i32 (func (param i32) (result i32)))
+ (type $i32_=>_none (func (param i32)))
+ (type $i32_i32_=>_none (func (param i32 i32)))
+ (type $i32_i32_i32_i32_=>_none (func (param i32 i32 i32 i32)))
+ (type $i32_i32_i32_=>_none (func (param i32 i32 i32)))
+ (type $none_=>_i32 (func (result i32)))
+ (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
+ (global $~lib/rt/itcms/total (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/threshold (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/state (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/visitCount (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/pinSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/iter (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/toSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/white (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/fromSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
+ (global $class-overloading-cast/v (mut i32) (i32.const 0))
+ (global $class-overloading-cast/v2 (mut i32) (i32.const 0))
+ (global $class-overloading-cast/v3 (mut i32) (i32.const 0))
+ (global $class-overloading-cast/c (mut i32) (i32.const 0))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 18084))
+ (global $~started (mut i32) (i32.const 0))
+ (memory $0 1)
+ (data (i32.const 1036) "<")
+ (data (i32.const 1048) "\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
+ (data (i32.const 1100) "<")
+ (data (i32.const 1112) "\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s")
+ (data (i32.const 1228) "<")
+ (data (i32.const 1240) "\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
+ (data (i32.const 1292) ",")
+ (data (i32.const 1304) "\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
+ (data (i32.const 1372) "<")
+ (data (i32.const 1384) "\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s")
+ (data (i32.const 1436) "\1c")
+ (data (i32.const 1448) "\01\00\00\00\02\00\00\00A")
+ (data (i32.const 1468) "\1c")
+ (data (i32.const 1480) "\01\00\00\00\02\00\00\00B")
+ (data (i32.const 1500) "L")
+ (data (i32.const 1512) "\01\00\00\002\00\00\00c\00l\00a\00s\00s\00-\00o\00v\00e\00r\00l\00o\00a\00d\00i\00n\00g\00-\00c\00a\00s\00t\00.\00t\00s")
+ (data (i32.const 1580) "\1c")
+ (data (i32.const 1592) "\01\00\00\00\02\00\00\00a")
+ (data (i32.const 1616) "\n\00\00\00 \00\00\00\00\00\00\00 ")
+ (data (i32.const 1644) " \00\00\00\04\00\00\00 \00\00\00\00\00\00\00 \00\00\00\04\00\00\00 \00\00\00\07\00\00\00 \00\00\00\00\00\00\00 \00\00\00\t\00\00\00 ")
+ (export "memory" (memory $0))
+ (export "_start" (func $~start))
+ (func $~lib/rt/itcms/visitRoots
+  (local $0 i32)
+  (local $1 i32)
+  global.get $class-overloading-cast/v
+  local.tee $0
+  if
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/v2
+  local.tee $0
+  if
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/v3
+  local.tee $0
+  if
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/c
+  local.tee $0
+  if
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  i32.const 1248
+  call $~lib/rt/itcms/__visit
+  i32.const 1056
+  call $~lib/rt/itcms/__visit
+  global.get $~lib/rt/itcms/pinSpace
+  local.tee $1
+  i32.load offset=4
+  i32.const -4
+  i32.and
+  local.set $0
+  loop $while-continue|0
+   local.get $0
+   local.get $1
+   i32.ne
+   if
+    local.get $0
+    i32.load offset=4
+    i32.const 3
+    i32.and
+    i32.const 3
+    i32.ne
+    if
+     i32.const 0
+     i32.const 1120
+     i32.const 159
+     i32.const 16
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $0
+    i32.const 20
+    i32.add
+    call $~lib/rt/__visit_members
+    local.get $0
+    i32.load offset=4
+    i32.const -4
+    i32.and
+    local.set $0
+    br $while-continue|0
+   end
+  end
+ )
+ (func $~lib/rt/itcms/__visit (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  i32.eqz
+  if
+   return
+  end
+  global.get $~lib/rt/itcms/white
+  local.get $0
+  i32.const 20
+  i32.sub
+  local.tee $0
+  i32.load offset=4
+  i32.const 3
+  i32.and
+  i32.eq
+  if
+   local.get $0
+   global.get $~lib/rt/itcms/iter
+   i32.eq
+   if
+    local.get $0
+    i32.load offset=8
+    local.tee $1
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 1120
+     i32.const 147
+     i32.const 30
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $1
+    global.set $~lib/rt/itcms/iter
+   end
+   block $__inlined_func$~lib/rt/itcms/Object#unlink
+    local.get $0
+    i32.load offset=4
+    i32.const -4
+    i32.and
+    local.tee $2
+    i32.eqz
+    if
+     i32.const 0
+     local.get $0
+     i32.const 18084
+     i32.lt_u
+     local.get $0
+     i32.load offset=8
+     select
+     i32.eqz
+     if
+      i32.const 0
+      i32.const 1120
+      i32.const 127
+      i32.const 18
+      call $~lib/builtins/abort
+      unreachable
+     end
+     br $__inlined_func$~lib/rt/itcms/Object#unlink
+    end
+    local.get $0
+    i32.load offset=8
+    local.tee $1
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 1120
+     i32.const 131
+     i32.const 16
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $2
+    local.get $1
+    i32.store offset=8
+    local.get $1
+    local.get $2
+    local.get $1
+    i32.load offset=4
+    i32.const 3
+    i32.and
+    i32.or
+    i32.store offset=4
+   end
+   global.get $~lib/rt/itcms/toSpace
+   local.set $1
+   local.get $0
+   i32.load offset=12
+   local.tee $2
+   i32.const 1
+   i32.le_u
+   if (result i32)
+    i32.const 1
+   else
+    local.get $2
+    i32.const 1616
+    i32.load
+    i32.gt_u
+    if
+     i32.const 1248
+     i32.const 1312
+     i32.const 22
+     i32.const 28
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $2
+    i32.const 3
+    i32.shl
+    i32.const 1620
+    i32.add
+    i32.load
+    i32.const 32
+    i32.and
+   end
+   if (result i32)
+    global.get $~lib/rt/itcms/white
+    i32.eqz
+   else
+    i32.const 2
+   end
+   local.set $3
+   local.get $1
+   i32.load offset=8
+   local.set $2
+   local.get $0
+   local.get $1
+   local.get $3
+   i32.or
+   i32.store offset=4
+   local.get $0
+   local.get $2
+   i32.store offset=8
+   local.get $2
+   local.get $0
+   local.get $2
+   i32.load offset=4
+   i32.const 3
+   i32.and
+   i32.or
+   i32.store offset=4
+   local.get $1
+   local.get $0
+   i32.store offset=8
+   global.get $~lib/rt/itcms/visitCount
+   i32.const 1
+   i32.add
+   global.set $~lib/rt/itcms/visitCount
+  end
+ )
+ (func $~lib/rt/tlsf/removeBlock (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $1
+  i32.load
+  local.tee $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 268
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const -4
+  i32.and
+  local.tee $2
+  i32.const 12
+  i32.lt_u
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 270
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 256
+  i32.lt_u
+  if
+   local.get $2
+   i32.const 4
+   i32.shr_u
+   local.set $2
+  else
+   i32.const 31
+   local.get $2
+   i32.const 1073741820
+   local.get $2
+   i32.const 1073741820
+   i32.lt_u
+   select
+   local.tee $2
+   i32.clz
+   i32.sub
+   local.set $3
+   local.get $2
+   local.get $3
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 16
+   i32.xor
+   local.set $2
+   local.get $3
+   i32.const 7
+   i32.sub
+   local.set $3
+  end
+  local.get $2
+  i32.const 16
+  i32.lt_u
+  i32.const 0
+  local.get $3
+  i32.const 23
+  i32.lt_u
+  select
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 284
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load offset=8
+  local.set $4
+  local.get $1
+  i32.load offset=4
+  local.tee $5
+  if
+   local.get $5
+   local.get $4
+   i32.store offset=8
+  end
+  local.get $4
+  if
+   local.get $4
+   local.get $5
+   i32.store offset=4
+  end
+  local.get $1
+  local.get $0
+  local.get $2
+  local.get $3
+  i32.const 4
+  i32.shl
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  i32.eq
+  if
+   local.get $0
+   local.get $2
+   local.get $3
+   i32.const 4
+   i32.shl
+   i32.add
+   i32.const 2
+   i32.shl
+   i32.add
+   local.get $4
+   i32.store offset=96
+   local.get $4
+   i32.eqz
+   if
+    local.get $0
+    local.get $3
+    i32.const 2
+    i32.shl
+    i32.add
+    local.tee $4
+    i32.load offset=4
+    i32.const -2
+    local.get $2
+    i32.rotl
+    i32.and
+    local.set $1
+    local.get $4
+    local.get $1
+    i32.store offset=4
+    local.get $1
+    i32.eqz
+    if
+     local.get $0
+     local.get $0
+     i32.load
+     i32.const -2
+     local.get $3
+     i32.rotl
+     i32.and
+     i32.store
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/insertBlock (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  local.get $1
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 201
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load
+  local.tee $3
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 203
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 4
+  i32.add
+  local.get $1
+  i32.load
+  i32.const -4
+  i32.and
+  i32.add
+  local.tee $4
+  i32.load
+  local.tee $2
+  i32.const 1
+  i32.and
+  if
+   local.get $0
+   local.get $4
+   call $~lib/rt/tlsf/removeBlock
+   local.get $1
+   local.get $3
+   i32.const 4
+   i32.add
+   local.get $2
+   i32.const -4
+   i32.and
+   i32.add
+   local.tee $3
+   i32.store
+   local.get $1
+   i32.const 4
+   i32.add
+   local.get $1
+   i32.load
+   i32.const -4
+   i32.and
+   i32.add
+   local.tee $4
+   i32.load
+   local.set $2
+  end
+  local.get $3
+  i32.const 2
+  i32.and
+  if
+   local.get $1
+   i32.const 4
+   i32.sub
+   i32.load
+   local.tee $1
+   i32.load
+   local.tee $6
+   i32.const 1
+   i32.and
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1392
+    i32.const 221
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $0
+   local.get $1
+   call $~lib/rt/tlsf/removeBlock
+   local.get $1
+   local.get $6
+   i32.const 4
+   i32.add
+   local.get $3
+   i32.const -4
+   i32.and
+   i32.add
+   local.tee $3
+   i32.store
+  end
+  local.get $4
+  local.get $2
+  i32.const 2
+  i32.or
+  i32.store
+  local.get $3
+  i32.const -4
+  i32.and
+  local.tee $3
+  i32.const 12
+  i32.lt_u
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 233
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  local.get $1
+  i32.const 4
+  i32.add
+  i32.add
+  local.get $4
+  i32.ne
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 234
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  i32.const 4
+  i32.sub
+  local.get $1
+  i32.store
+  local.get $3
+  i32.const 256
+  i32.lt_u
+  if (result i32)
+   local.get $3
+   i32.const 4
+   i32.shr_u
+  else
+   i32.const 31
+   local.get $3
+   i32.const 1073741820
+   local.get $3
+   i32.const 1073741820
+   i32.lt_u
+   select
+   local.tee $3
+   i32.clz
+   i32.sub
+   local.tee $4
+   i32.const 7
+   i32.sub
+   local.set $5
+   local.get $3
+   local.get $4
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 16
+   i32.xor
+  end
+  local.tee $3
+  i32.const 16
+  i32.lt_u
+  i32.const 0
+  local.get $5
+  i32.const 23
+  i32.lt_u
+  select
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 251
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $3
+  local.get $5
+  i32.const 4
+  i32.shl
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  local.set $4
+  local.get $1
+  i32.const 0
+  i32.store offset=4
+  local.get $1
+  local.get $4
+  i32.store offset=8
+  local.get $4
+  if
+   local.get $4
+   local.get $1
+   i32.store offset=4
+  end
+  local.get $0
+  local.get $3
+  local.get $5
+  i32.const 4
+  i32.shl
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  local.get $1
+  i32.store offset=96
+  local.get $0
+  local.get $0
+  i32.load
+  i32.const 1
+  local.get $5
+  i32.shl
+  i32.or
+  i32.store
+  local.get $0
+  local.get $5
+  i32.const 2
+  i32.shl
+  i32.add
+  local.tee $0
+  local.get $0
+  i32.load offset=4
+  i32.const 1
+  local.get $3
+  i32.shl
+  i32.or
+  i32.store offset=4
+ )
+ (func $~lib/rt/tlsf/addMemory (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  local.get $1
+  local.get $2
+  i32.gt_u
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 377
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 19
+  i32.add
+  i32.const -16
+  i32.and
+  i32.const 4
+  i32.sub
+  local.set $1
+  local.get $2
+  i32.const -16
+  i32.and
+  local.get $0
+  i32.load offset=1568
+  local.tee $2
+  if
+   local.get $1
+   local.get $2
+   i32.const 4
+   i32.add
+   i32.lt_u
+   if
+    i32.const 0
+    i32.const 1392
+    i32.const 384
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $2
+   local.get $1
+   i32.const 16
+   i32.sub
+   i32.eq
+   if
+    local.get $2
+    i32.load
+    local.set $4
+    local.get $1
+    i32.const 16
+    i32.sub
+    local.set $1
+   end
+  else
+   local.get $1
+   local.get $0
+   i32.const 1572
+   i32.add
+   i32.lt_u
+   if
+    i32.const 0
+    i32.const 1392
+    i32.const 397
+    i32.const 5
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $1
+  i32.sub
+  local.tee $2
+  i32.const 20
+  i32.lt_u
+  if
+   return
+  end
+  local.get $1
+  local.get $4
+  i32.const 2
+  i32.and
+  local.get $2
+  i32.const 8
+  i32.sub
+  local.tee $2
+  i32.const 1
+  i32.or
+  i32.or
+  i32.store
+  local.get $1
+  i32.const 0
+  i32.store offset=4
+  local.get $1
+  i32.const 0
+  i32.store offset=8
+  local.get $2
+  local.get $1
+  i32.const 4
+  i32.add
+  i32.add
+  local.tee $2
+  i32.const 2
+  i32.store
+  local.get $0
+  local.get $2
+  i32.store offset=1568
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+ )
+ (func $~lib/rt/tlsf/initialize
+  (local $0 i32)
+  (local $1 i32)
+  memory.size
+  local.tee $0
+  i32.const 1
+  i32.lt_s
+  if (result i32)
+   i32.const 1
+   local.get $0
+   i32.sub
+   memory.grow
+   i32.const 0
+   i32.lt_s
+  else
+   i32.const 0
+  end
+  if
+   unreachable
+  end
+  i32.const 18096
+  i32.const 0
+  i32.store
+  i32.const 19664
+  i32.const 0
+  i32.store
+  loop $for-loop|0
+   local.get $1
+   i32.const 23
+   i32.lt_u
+   if
+    local.get $1
+    i32.const 2
+    i32.shl
+    i32.const 18096
+    i32.add
+    i32.const 0
+    i32.store offset=4
+    i32.const 0
+    local.set $0
+    loop $for-loop|1
+     local.get $0
+     i32.const 16
+     i32.lt_u
+     if
+      local.get $0
+      local.get $1
+      i32.const 4
+      i32.shl
+      i32.add
+      i32.const 2
+      i32.shl
+      i32.const 18096
+      i32.add
+      i32.const 0
+      i32.store offset=96
+      local.get $0
+      i32.const 1
+      i32.add
+      local.set $0
+      br $for-loop|1
+     end
+    end
+    local.get $1
+    i32.const 1
+    i32.add
+    local.set $1
+    br $for-loop|0
+   end
+  end
+  i32.const 18096
+  i32.const 19668
+  memory.size
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  i32.const 18096
+  global.set $~lib/rt/tlsf/ROOT
+ )
+ (func $~lib/rt/itcms/step (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  block $folding-inner0
+   block $break|0
+    block $case2|0
+     block $case1|0
+      block $case0|0
+       global.get $~lib/rt/itcms/state
+       br_table $case0|0 $case1|0 $case2|0 $break|0
+      end
+      i32.const 1
+      global.set $~lib/rt/itcms/state
+      i32.const 0
+      global.set $~lib/rt/itcms/visitCount
+      call $~lib/rt/itcms/visitRoots
+      global.get $~lib/rt/itcms/toSpace
+      global.set $~lib/rt/itcms/iter
+      br $folding-inner0
+     end
+     global.get $~lib/rt/itcms/white
+     i32.eqz
+     local.set $1
+     global.get $~lib/rt/itcms/iter
+     i32.load offset=4
+     i32.const -4
+     i32.and
+     local.set $0
+     loop $while-continue|1
+      local.get $0
+      global.get $~lib/rt/itcms/toSpace
+      i32.ne
+      if
+       local.get $0
+       global.set $~lib/rt/itcms/iter
+       local.get $1
+       local.get $0
+       i32.load offset=4
+       i32.const 3
+       i32.and
+       i32.ne
+       if
+        local.get $0
+        local.get $1
+        local.get $0
+        i32.load offset=4
+        i32.const -4
+        i32.and
+        i32.or
+        i32.store offset=4
+        i32.const 0
+        global.set $~lib/rt/itcms/visitCount
+        local.get $0
+        i32.const 20
+        i32.add
+        call $~lib/rt/__visit_members
+        br $folding-inner0
+       end
+       local.get $0
+       i32.load offset=4
+       i32.const -4
+       i32.and
+       local.set $0
+       br $while-continue|1
+      end
+     end
+     i32.const 0
+     global.set $~lib/rt/itcms/visitCount
+     call $~lib/rt/itcms/visitRoots
+     global.get $~lib/rt/itcms/toSpace
+     global.get $~lib/rt/itcms/iter
+     i32.load offset=4
+     i32.const -4
+     i32.and
+     i32.eq
+     if
+      global.get $~lib/memory/__stack_pointer
+      local.set $0
+      loop $while-continue|0
+       local.get $0
+       i32.const 18084
+       i32.lt_u
+       if
+        local.get $0
+        i32.load
+        call $~lib/rt/itcms/__visit
+        local.get $0
+        i32.const 4
+        i32.add
+        local.set $0
+        br $while-continue|0
+       end
+      end
+      global.get $~lib/rt/itcms/iter
+      i32.load offset=4
+      i32.const -4
+      i32.and
+      local.set $0
+      loop $while-continue|2
+       local.get $0
+       global.get $~lib/rt/itcms/toSpace
+       i32.ne
+       if
+        local.get $1
+        local.get $0
+        i32.load offset=4
+        i32.const 3
+        i32.and
+        i32.ne
+        if
+         local.get $0
+         local.get $1
+         local.get $0
+         i32.load offset=4
+         i32.const -4
+         i32.and
+         i32.or
+         i32.store offset=4
+         local.get $0
+         i32.const 20
+         i32.add
+         call $~lib/rt/__visit_members
+        end
+        local.get $0
+        i32.load offset=4
+        i32.const -4
+        i32.and
+        local.set $0
+        br $while-continue|2
+       end
+      end
+      global.get $~lib/rt/itcms/fromSpace
+      local.set $0
+      global.get $~lib/rt/itcms/toSpace
+      global.set $~lib/rt/itcms/fromSpace
+      local.get $0
+      global.set $~lib/rt/itcms/toSpace
+      local.get $1
+      global.set $~lib/rt/itcms/white
+      local.get $0
+      i32.load offset=4
+      i32.const -4
+      i32.and
+      global.set $~lib/rt/itcms/iter
+      i32.const 2
+      global.set $~lib/rt/itcms/state
+     end
+     br $folding-inner0
+    end
+    global.get $~lib/rt/itcms/iter
+    local.tee $0
+    global.get $~lib/rt/itcms/toSpace
+    i32.ne
+    if
+     local.get $0
+     i32.load offset=4
+     i32.const -4
+     i32.and
+     global.set $~lib/rt/itcms/iter
+     global.get $~lib/rt/itcms/white
+     i32.eqz
+     local.get $0
+     i32.load offset=4
+     i32.const 3
+     i32.and
+     i32.ne
+     if
+      i32.const 0
+      i32.const 1120
+      i32.const 228
+      i32.const 20
+      call $~lib/builtins/abort
+      unreachable
+     end
+     local.get $0
+     i32.const 18084
+     i32.lt_u
+     if
+      local.get $0
+      i32.const 0
+      i32.store offset=4
+      local.get $0
+      i32.const 0
+      i32.store offset=8
+     else
+      global.get $~lib/rt/itcms/total
+      local.get $0
+      i32.load
+      i32.const -4
+      i32.and
+      i32.const 4
+      i32.add
+      i32.sub
+      global.set $~lib/rt/itcms/total
+      local.get $0
+      i32.const 4
+      i32.add
+      local.tee $0
+      i32.const 18084
+      i32.ge_u
+      if
+       global.get $~lib/rt/tlsf/ROOT
+       i32.eqz
+       if
+        call $~lib/rt/tlsf/initialize
+       end
+       global.get $~lib/rt/tlsf/ROOT
+       local.get $0
+       i32.const 4
+       i32.sub
+       local.set $1
+       local.get $0
+       i32.const 15
+       i32.and
+       i32.const 1
+       local.get $0
+       select
+       if (result i32)
+        i32.const 1
+       else
+        local.get $1
+        i32.load
+        i32.const 1
+        i32.and
+       end
+       if
+        i32.const 0
+        i32.const 1392
+        i32.const 559
+        i32.const 3
+        call $~lib/builtins/abort
+        unreachable
+       end
+       local.get $1
+       local.tee $0
+       i32.load
+       i32.const 1
+       i32.or
+       local.set $1
+       local.get $0
+       local.get $1
+       i32.store
+       local.get $0
+       call $~lib/rt/tlsf/insertBlock
+      end
+     end
+     i32.const 10
+     return
+    end
+    global.get $~lib/rt/itcms/toSpace
+    local.tee $0
+    local.get $0
+    i32.store offset=4
+    global.get $~lib/rt/itcms/toSpace
+    local.tee $0
+    local.get $0
+    i32.store offset=8
+    i32.const 0
+    global.set $~lib/rt/itcms/state
+   end
+   i32.const 0
+   return
+  end
+  global.get $~lib/rt/itcms/visitCount
+ )
+ (func $~lib/rt/tlsf/searchBlock (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.load offset=4
+  i32.const -2
+  i32.and
+  local.tee $2
+  if (result i32)
+   local.get $0
+   local.get $2
+   i32.ctz
+   i32.const 2
+   i32.shl
+   i32.add
+   i32.load offset=96
+  else
+   local.get $0
+   i32.load
+   i32.const -2
+   i32.and
+   local.tee $1
+   if (result i32)
+    local.get $0
+    local.get $1
+    i32.ctz
+    local.tee $1
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=4
+    local.tee $2
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 1392
+     i32.const 343
+     i32.const 18
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $0
+    local.get $2
+    i32.ctz
+    local.get $1
+    i32.const 4
+    i32.shl
+    i32.add
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=96
+   else
+    i32.const 0
+   end
+  end
+ )
+ (func $~lib/rt/itcms/__new (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  global.get $~lib/rt/itcms/total
+  global.get $~lib/rt/itcms/threshold
+  i32.ge_u
+  if
+   block $__inlined_func$~lib/rt/itcms/interrupt
+    i32.const 2048
+    local.set $1
+    loop $do-continue|0
+     local.get $1
+     call $~lib/rt/itcms/step
+     i32.sub
+     local.set $1
+     global.get $~lib/rt/itcms/state
+     i32.eqz
+     if
+      global.get $~lib/rt/itcms/total
+      i64.extend_i32_u
+      i64.const 200
+      i64.mul
+      i64.const 100
+      i64.div_u
+      i32.wrap_i64
+      i32.const 1024
+      i32.add
+      global.set $~lib/rt/itcms/threshold
+      br $__inlined_func$~lib/rt/itcms/interrupt
+     end
+     local.get $1
+     i32.const 0
+     i32.gt_s
+     br_if $do-continue|0
+    end
+    global.get $~lib/rt/itcms/total
+    local.tee $1
+    local.get $1
+    global.get $~lib/rt/itcms/threshold
+    i32.sub
+    i32.const 1024
+    i32.lt_u
+    i32.const 10
+    i32.shl
+    i32.add
+    global.set $~lib/rt/itcms/threshold
+   end
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   call $~lib/rt/tlsf/initialize
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.tee $2
+  call $~lib/rt/tlsf/searchBlock
+  local.tee $1
+  i32.eqz
+  if
+   i32.const 4
+   memory.size
+   local.tee $1
+   i32.const 16
+   i32.shl
+   i32.const 4
+   i32.sub
+   local.get $2
+   i32.load offset=1568
+   i32.ne
+   i32.shl
+   i32.const 65563
+   i32.add
+   i32.const -65536
+   i32.and
+   i32.const 16
+   i32.shr_u
+   local.set $3
+   local.get $1
+   local.get $3
+   local.get $1
+   local.get $3
+   i32.gt_s
+   select
+   memory.grow
+   i32.const 0
+   i32.lt_s
+   if
+    local.get $3
+    memory.grow
+    i32.const 0
+    i32.lt_s
+    if
+     unreachable
+    end
+   end
+   local.get $2
+   local.get $1
+   i32.const 16
+   i32.shl
+   memory.size
+   i32.const 16
+   i32.shl
+   call $~lib/rt/tlsf/addMemory
+   local.get $2
+   call $~lib/rt/tlsf/searchBlock
+   local.tee $1
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1392
+    i32.const 496
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $1
+  i32.load
+  i32.const -4
+  i32.and
+  i32.const 28
+  i32.lt_u
+  if
+   i32.const 0
+   i32.const 1392
+   i32.const 498
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  local.get $1
+  call $~lib/rt/tlsf/removeBlock
+  local.get $1
+  i32.load
+  local.tee $3
+  i32.const -4
+  i32.and
+  i32.const 28
+  i32.sub
+  local.tee $4
+  i32.const 16
+  i32.ge_u
+  if
+   local.get $1
+   local.get $3
+   i32.const 2
+   i32.and
+   i32.const 28
+   i32.or
+   i32.store
+   local.get $1
+   i32.const 32
+   i32.add
+   local.tee $3
+   local.get $4
+   i32.const 4
+   i32.sub
+   i32.const 1
+   i32.or
+   i32.store
+   local.get $2
+   local.get $3
+   call $~lib/rt/tlsf/insertBlock
+  else
+   local.get $1
+   local.get $3
+   i32.const -2
+   i32.and
+   i32.store
+   local.get $1
+   i32.const 4
+   i32.add
+   local.tee $2
+   local.get $1
+   i32.load
+   i32.const -4
+   i32.and
+   i32.add
+   local.get $2
+   local.get $1
+   i32.load
+   i32.const -4
+   i32.and
+   i32.add
+   i32.load
+   i32.const -3
+   i32.and
+   i32.store
+  end
+  local.get $1
+  local.get $0
+  i32.store offset=12
+  local.get $1
+  i32.const 0
+  i32.store offset=16
+  global.get $~lib/rt/itcms/fromSpace
+  local.tee $2
+  i32.load offset=8
+  local.set $0
+  local.get $1
+  local.get $2
+  global.get $~lib/rt/itcms/white
+  i32.or
+  i32.store offset=4
+  local.get $1
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  local.get $1
+  local.get $0
+  i32.load offset=4
+  i32.const 3
+  i32.and
+  i32.or
+  i32.store offset=4
+  local.get $2
+  local.get $1
+  i32.store offset=8
+  global.get $~lib/rt/itcms/total
+  local.get $1
+  i32.load
+  i32.const -4
+  i32.and
+  i32.const 4
+  i32.add
+  i32.add
+  global.set $~lib/rt/itcms/total
+  local.get $1
+  i32.const 20
+  i32.add
+ )
+ (func $~lib/string/String.__eq (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  local.get $0
+  local.get $1
+  i32.eq
+  if
+   i32.const 1
+   return
+  end
+  local.get $1
+  i32.const 0
+  local.get $0
+  select
+  i32.eqz
+  if
+   i32.const 0
+   return
+  end
+  local.get $0
+  i32.const 20
+  i32.sub
+  i32.load offset=16
+  i32.const 1
+  i32.shr_u
+  local.tee $4
+  local.get $1
+  i32.const 20
+  i32.sub
+  i32.load offset=16
+  i32.const 1
+  i32.shr_u
+  i32.ne
+  if
+   i32.const 0
+   return
+  end
+  block $__inlined_func$~lib/util/string/compareImpl (result i32)
+   local.get $0
+   local.set $2
+   local.get $1
+   local.set $3
+   local.get $2
+   i32.const 7
+   i32.and
+   local.get $3
+   i32.const 7
+   i32.and
+   i32.or
+   i32.const 1
+   local.get $4
+   local.tee $0
+   i32.const 4
+   i32.ge_u
+   select
+   i32.eqz
+   if
+    loop $do-continue|0
+     local.get $2
+     i64.load
+     local.get $3
+     i64.load
+     i64.eq
+     if
+      local.get $2
+      i32.const 8
+      i32.add
+      local.set $2
+      local.get $3
+      i32.const 8
+      i32.add
+      local.set $3
+      local.get $0
+      i32.const 4
+      i32.sub
+      local.tee $0
+      i32.const 4
+      i32.ge_u
+      br_if $do-continue|0
+     end
+    end
+   end
+   loop $while-continue|1
+    local.get $0
+    local.tee $1
+    i32.const 1
+    i32.sub
+    local.set $0
+    local.get $1
+    if
+     local.get $2
+     i32.load16_u
+     local.tee $1
+     local.get $3
+     i32.load16_u
+     local.tee $4
+     i32.ne
+     if
+      local.get $1
+      local.get $4
+      i32.sub
+      br $__inlined_func$~lib/util/string/compareImpl
+     end
+     local.get $2
+     i32.const 2
+     i32.add
+     local.set $2
+     local.get $3
+     i32.const 2
+     i32.add
+     local.set $3
+     br $while-continue|1
+    end
+   end
+   i32.const 0
+  end
+  i32.eqz
+ )
+ (func $~lib/rt/__visit_members (param $0 i32)
+  block $invalid
+   block $class-overloading-cast/A<~lib/string/String>
+    block $class-overloading-cast/C
+     block $class-overloading-cast/A<f64>
+      block $class-overloading-cast/B<f64,~lib/string/String>
+       block $class-overloading-cast/B<i32,~lib/string/String>
+        block $class-overloading-cast/A<i32>
+         block $class-overloading-cast/B<i32,f64>
+          block $~lib/arraybuffer/ArrayBufferView
+           block $~lib/string/String
+            block $~lib/arraybuffer/ArrayBuffer
+             local.get $0
+             i32.const 8
+             i32.sub
+             i32.load
+             br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $class-overloading-cast/B<i32,f64> $class-overloading-cast/A<i32> $class-overloading-cast/B<i32,~lib/string/String> $class-overloading-cast/B<f64,~lib/string/String> $class-overloading-cast/A<f64> $class-overloading-cast/C $class-overloading-cast/A<~lib/string/String> $invalid
+            end
+            return
+           end
+           return
+          end
+          local.get $0
+          i32.load
+          local.tee $0
+          if
+           local.get $0
+           call $~lib/rt/itcms/__visit
+          end
+          return
+         end
+         return
+        end
+        return
+       end
+       return
+      end
+      return
+     end
+     return
+    end
+    return
+   end
+   return
+  end
+  unreachable
+ )
+ (func $~start
+  global.get $~started
+  if
+   return
+  end
+  i32.const 1
+  global.set $~started
+  call $start:class-overloading-cast
+ )
+ (func $start:class-overloading-cast
+  (local $0 i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 16
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  block $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   i64.const 0
+   i64.store
+   local.get $0
+   i64.const 0
+   i64.store offset=8
+   memory.size
+   i32.const 16
+   i32.shl
+   i32.const 18084
+   i32.sub
+   i32.const 1
+   i32.shr_u
+   global.set $~lib/rt/itcms/threshold
+   i32.const 1172
+   i32.const 1168
+   i32.store
+   i32.const 1176
+   i32.const 1168
+   i32.store
+   i32.const 1168
+   global.set $~lib/rt/itcms/pinSpace
+   i32.const 1204
+   i32.const 1200
+   i32.store
+   i32.const 1208
+   i32.const 1200
+   i32.store
+   i32.const 1200
+   global.set $~lib/rt/itcms/toSpace
+   i32.const 1348
+   i32.const 1344
+   i32.store
+   i32.const 1352
+   i32.const 1344
+   i32.store
+   i32.const 1344
+   global.set $~lib/rt/itcms/fromSpace
+   local.get $0
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 3
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   local.get $0
+   call $class-overloading-cast/A<i32>#constructor
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $0
+   global.set $class-overloading-cast/v
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 5
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   local.get $0
+   call $class-overloading-cast/A<i32>#constructor
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $0
+   global.set $class-overloading-cast/v2
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 6
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   local.tee $1
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.eqz
+   if
+    global.get $~lib/memory/__stack_pointer
+    i32.const 7
+    call $~lib/rt/itcms/__new
+    local.tee $0
+    i32.store
+   end
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $1
+   local.get $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $0
+   global.set $class-overloading-cast/v3
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   global.get $class-overloading-cast/v
+   local.tee $1
+   i32.store offset=8
+   local.get $0
+   block $__inlined_func$class-overloading-cast/A<i32>#foo@virtual (result i32)
+    block $folding-inner0
+     local.get $1
+     i32.const 8
+     i32.sub
+     i32.load
+     local.tee $1
+     i32.const 3
+     i32.eq
+     br_if $folding-inner0
+     local.get $1
+     i32.const 5
+     i32.eq
+     br_if $folding-inner0
+     i32.const 1456
+     br $__inlined_func$class-overloading-cast/A<i32>#foo@virtual
+    end
+    i32.const 1488
+   end
+   local.tee $1
+   i32.store
+   local.get $0
+   i32.const 1488
+   i32.store offset=4
+   local.get $1
+   i32.const 1488
+   call $~lib/string/String.__eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1520
+    i32.const 17
+    i32.const 1
+    call $~lib/builtins/abort
+    unreachable
+   end
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   global.get $class-overloading-cast/v2
+   i32.store offset=8
+   local.get $0
+   i32.const 1488
+   i32.store
+   local.get $0
+   i32.const 1488
+   i32.store offset=4
+   i32.const 1488
+   i32.const 1488
+   call $~lib/string/String.__eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1520
+    i32.const 18
+    i32.const 1
+    call $~lib/builtins/abort
+    unreachable
+   end
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   global.get $class-overloading-cast/v3
+   local.tee $1
+   i32.store offset=8
+   local.get $0
+   i32.const 1488
+   i32.const 1456
+   local.get $1
+   i32.const 8
+   i32.sub
+   i32.load
+   i32.const 6
+   i32.eq
+   select
+   local.tee $1
+   i32.store
+   local.get $0
+   i32.const 1488
+   i32.store offset=4
+   local.get $1
+   i32.const 1488
+   call $~lib/string/String.__eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1520
+    i32.const 19
+    i32.const 1
+    call $~lib/builtins/abort
+    unreachable
+   end
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 8
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   local.tee $1
+   i32.const 4
+   i32.sub
+   global.set $~lib/memory/__stack_pointer
+   global.get $~lib/memory/__stack_pointer
+   i32.const 1700
+   i32.lt_s
+   br_if $folding-inner1
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.eqz
+   if
+    global.get $~lib/memory/__stack_pointer
+    i32.const 9
+    call $~lib/rt/itcms/__new
+    local.tee $0
+    i32.store
+   end
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $1
+   local.get $0
+   i32.store
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   local.get $0
+   global.set $class-overloading-cast/c
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   global.get $class-overloading-cast/c
+   local.tee $1
+   i32.store offset=8
+   local.get $0
+   i32.const 1600
+   i32.store offset=12
+   local.get $1
+   i32.const 8
+   i32.sub
+   i32.load
+   drop
+   local.get $0
+   i32.const 1456
+   i32.store
+   local.get $0
+   i32.const 1456
+   i32.store offset=4
+   i32.const 1456
+   i32.const 1456
+   call $~lib/string/String.__eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1520
+    i32.const 23
+    i32.const 1
+    call $~lib/builtins/abort
+    unreachable
+   end
+   global.get $~lib/memory/__stack_pointer
+   local.tee $0
+   global.get $class-overloading-cast/c
+   local.tee $1
+   i32.store offset=8
+   local.get $0
+   i32.const 1600
+   i32.store offset=12
+   local.get $1
+   i32.const 8
+   i32.sub
+   i32.load
+   drop
+   local.get $0
+   i32.const 1456
+   i32.store
+   local.get $0
+   i32.const 1456
+   i32.store offset=4
+   i32.const 1456
+   i32.const 1456
+   call $~lib/string/String.__eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 1520
+    i32.const 24
+    i32.const 1
+    call $~lib/builtins/abort
+    unreachable
+   end
+   global.get $~lib/memory/__stack_pointer
+   i32.const 16
+   i32.add
+   global.set $~lib/memory/__stack_pointer
+   return
+  end
+  i32.const 18112
+  i32.const 18160
+  i32.const 1
+  i32.const 1
+  call $~lib/builtins/abort
+  unreachable
+ )
+ (func $class-overloading-cast/A<i32>#constructor (param $0 i32) (result i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  global.get $~lib/memory/__stack_pointer
+  i32.const 1700
+  i32.lt_s
+  if
+   i32.const 18112
+   i32.const 18160
+   i32.const 1
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 4
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $0
+ )
+)
diff --git a/tests/compiler/class-overloading-cast.ts b/tests/compiler/class-overloading-cast.ts
new file mode 100644
index 0000000000..45457f0630
--- /dev/null
+++ b/tests/compiler/class-overloading-cast.ts
@@ -0,0 +1,24 @@
+class A<T> {
+  foo(a: T): string {
+    return "A";
+  }
+}
+class B<T, V> extends A<T> {
+  foo(a: T): string {
+    return "B";
+  }
+}
+
+class C extends A<string>{}
+
+let v = new B<i32, f64>();
+let v2 = new B<i32, string>();
+let v3 = new B<f64, string>();
+assert((<A<i32>>v).foo(1) == "B");
+assert(v2.foo(1) == "B");
+assert((<A<f64>>v3).foo(1.1) == "B");
+
+let c = new C();
+
+assert(c.foo("a") == "A");
+assert((<A<string>>c).foo("a") == "A");
diff --git a/tests/compiler/class-overloading-cast.untouched.wat b/tests/compiler/class-overloading-cast.untouched.wat
new file mode 100644
index 0000000000..76de41f7d4
--- /dev/null
+++ b/tests/compiler/class-overloading-cast.untouched.wat
@@ -0,0 +1,3133 @@
+(module
+ (type $i32_=>_i32 (func (param i32) (result i32)))
+ (type $i32_i32_=>_none (func (param i32 i32)))
+ (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
+ (type $i32_=>_none (func (param i32)))
+ (type $none_=>_none (func))
+ (type $i32_i32_i32_=>_none (func (param i32 i32 i32)))
+ (type $i32_f64_=>_i32 (func (param i32 f64) (result i32)))
+ (type $i32_i32_i32_i32_=>_none (func (param i32 i32 i32 i32)))
+ (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
+ (type $none_=>_i32 (func (result i32)))
+ (type $i32_i32_i32_i32_i32_=>_i32 (func (param i32 i32 i32 i32 i32) (result i32)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
+ (global $~lib/rt/itcms/total (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/threshold (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/state (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/visitCount (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/pinSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/iter (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/toSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/white (mut i32) (i32.const 0))
+ (global $~lib/rt/itcms/fromSpace (mut i32) (i32.const 0))
+ (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
+ (global $~lib/ASC_LOW_MEMORY_LIMIT i32 (i32.const 0))
+ (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
+ (global $class-overloading-cast/v (mut i32) (i32.const 0))
+ (global $class-overloading-cast/v2 (mut i32) (i32.const 0))
+ (global $class-overloading-cast/v3 (mut i32) (i32.const 0))
+ (global $class-overloading-cast/c (mut i32) (i32.const 0))
+ (global $~lib/rt/__rtti_base i32 (i32.const 592))
+ (global $~lib/memory/__data_end i32 (i32.const 676))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 17060))
+ (global $~lib/memory/__heap_base i32 (i32.const 17060))
+ (global $~started (mut i32) (i32.const 0))
+ (memory $0 1)
+ (data (i32.const 12) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e\00\00\00\00\00")
+ (data (i32.const 76) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 144) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 176) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 204) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 268) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 320) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 348) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 412) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00A\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 444) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00B\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 476) "L\00\00\00\00\00\00\00\00\00\00\00\01\00\00\002\00\00\00c\00l\00a\00s\00s\00-\00o\00v\00e\00r\00l\00o\00a\00d\00i\00n\00g\00-\00c\00a\00s\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 556) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00a\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 592) "\n\00\00\00 \00\00\00\00\00\00\00 \00\00\00\00\00\00\00\00\00\00\00\00\00\00\00 \00\00\00\04\00\00\00 \00\00\00\00\00\00\00 \00\00\00\04\00\00\00 \00\00\00\07\00\00\00 \00\00\00\00\00\00\00 \00\00\00\t\00\00\00 \00\00\00\00\00\00\00")
+ (table $0 1 funcref)
+ (elem $0 (i32.const 1))
+ (export "memory" (memory $0))
+ (export "_start" (func $~start))
+ (func $~lib/rt/itcms/Object#set:nextWithColor (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=4
+ )
+ (func $~lib/rt/itcms/Object#set:prev (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=8
+ )
+ (func $~lib/rt/itcms/initLazy (param $0 i32) (result i32)
+  local.get $0
+  local.get $0
+  call $~lib/rt/itcms/Object#set:nextWithColor
+  local.get $0
+  local.get $0
+  call $~lib/rt/itcms/Object#set:prev
+  local.get $0
+ )
+ (func $~lib/rt/itcms/Object#get:next (param $0 i32) (result i32)
+  local.get $0
+  i32.load offset=4
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+ )
+ (func $~lib/rt/itcms/Object#get:color (param $0 i32) (result i32)
+  local.get $0
+  i32.load offset=4
+  i32.const 3
+  i32.and
+ )
+ (func $~lib/rt/itcms/visitRoots (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  call $~lib/rt/__visit_globals
+  global.get $~lib/rt/itcms/pinSpace
+  local.set $1
+  local.get $1
+  call $~lib/rt/itcms/Object#get:next
+  local.set $2
+  loop $while-continue|0
+   local.get $2
+   local.get $1
+   i32.ne
+   local.set $3
+   local.get $3
+   if
+    i32.const 1
+    drop
+    local.get $2
+    call $~lib/rt/itcms/Object#get:color
+    i32.const 3
+    i32.eq
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 96
+     i32.const 159
+     i32.const 16
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $2
+    i32.const 20
+    i32.add
+    local.get $0
+    call $~lib/rt/__visit_members
+    local.get $2
+    call $~lib/rt/itcms/Object#get:next
+    local.set $2
+    br $while-continue|0
+   end
+  end
+ )
+ (func $~lib/rt/itcms/Object#set:color (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $0
+  i32.load offset=4
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.get $1
+  i32.or
+  call $~lib/rt/itcms/Object#set:nextWithColor
+ )
+ (func $~lib/rt/itcms/Object#set:next (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  local.get $0
+  i32.load offset=4
+  i32.const 3
+  i32.and
+  i32.or
+  call $~lib/rt/itcms/Object#set:nextWithColor
+ )
+ (func $~lib/rt/itcms/Object#unlink (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  local.get $0
+  call $~lib/rt/itcms/Object#get:next
+  local.set $1
+  local.get $1
+  i32.const 0
+  i32.eq
+  if
+   i32.const 1
+   drop
+   local.get $0
+   i32.load offset=8
+   i32.const 0
+   i32.eq
+   if (result i32)
+    local.get $0
+    global.get $~lib/memory/__heap_base
+    i32.lt_u
+   else
+    i32.const 0
+   end
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 96
+    i32.const 127
+    i32.const 18
+    call $~lib/builtins/abort
+    unreachable
+   end
+   return
+  end
+  local.get $0
+  i32.load offset=8
+  local.set $2
+  i32.const 1
+  drop
+  local.get $2
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 96
+   i32.const 131
+   i32.const 16
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.get $2
+  call $~lib/rt/itcms/Object#set:prev
+  local.get $2
+  local.get $1
+  call $~lib/rt/itcms/Object#set:next
+ )
+ (func $~lib/rt/__typeinfo (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/rt/__rtti_base
+  local.set $1
+  local.get $0
+  local.get $1
+  i32.load
+  i32.gt_u
+  if
+   i32.const 224
+   i32.const 288
+   i32.const 22
+   i32.const 28
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 4
+  i32.add
+  local.get $0
+  i32.const 8
+  i32.mul
+  i32.add
+  i32.load
+ )
+ (func $~lib/rt/itcms/Object#get:isPointerfree (param $0 i32) (result i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=12
+  local.set $1
+  local.get $1
+  i32.const 1
+  i32.le_u
+  if (result i32)
+   i32.const 1
+  else
+   local.get $1
+   call $~lib/rt/__typeinfo
+   i32.const 32
+   i32.and
+   i32.const 0
+   i32.ne
+  end
+ )
+ (func $~lib/rt/itcms/Object#linkTo (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  local.get $1
+  i32.load offset=8
+  local.set $3
+  local.get $0
+  local.get $1
+  local.get $2
+  i32.or
+  call $~lib/rt/itcms/Object#set:nextWithColor
+  local.get $0
+  local.get $3
+  call $~lib/rt/itcms/Object#set:prev
+  local.get $3
+  local.get $0
+  call $~lib/rt/itcms/Object#set:next
+  local.get $1
+  local.get $0
+  call $~lib/rt/itcms/Object#set:prev
+ )
+ (func $~lib/rt/itcms/Object#makeGray (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  global.get $~lib/rt/itcms/iter
+  i32.eq
+  if
+   local.get $0
+   i32.load offset=8
+   local.tee $1
+   i32.eqz
+   if (result i32)
+    i32.const 0
+    i32.const 96
+    i32.const 147
+    i32.const 30
+    call $~lib/builtins/abort
+    unreachable
+   else
+    local.get $1
+   end
+   global.set $~lib/rt/itcms/iter
+  end
+  local.get $0
+  call $~lib/rt/itcms/Object#unlink
+  local.get $0
+  global.get $~lib/rt/itcms/toSpace
+  local.get $0
+  call $~lib/rt/itcms/Object#get:isPointerfree
+  if (result i32)
+   global.get $~lib/rt/itcms/white
+   i32.eqz
+  else
+   i32.const 2
+  end
+  call $~lib/rt/itcms/Object#linkTo
+ )
+ (func $~lib/rt/itcms/__visit (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.eqz
+  if
+   return
+  end
+  local.get $0
+  i32.const 20
+  i32.sub
+  local.set $2
+  i32.const 0
+  drop
+  local.get $2
+  call $~lib/rt/itcms/Object#get:color
+  global.get $~lib/rt/itcms/white
+  i32.eq
+  if
+   local.get $2
+   call $~lib/rt/itcms/Object#makeGray
+   global.get $~lib/rt/itcms/visitCount
+   i32.const 1
+   i32.add
+   global.set $~lib/rt/itcms/visitCount
+  end
+ )
+ (func $~lib/rt/itcms/visitStack (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  global.get $~lib/memory/__stack_pointer
+  local.set $1
+  loop $while-continue|0
+   local.get $1
+   global.get $~lib/memory/__heap_base
+   i32.lt_u
+   local.set $2
+   local.get $2
+   if
+    local.get $1
+    i32.load
+    local.get $0
+    call $~lib/rt/itcms/__visit
+    local.get $1
+    i32.const 4
+    i32.add
+    local.set $1
+    br $while-continue|0
+   end
+  end
+ )
+ (func $~lib/rt/itcms/Object#get:size (param $0 i32) (result i32)
+  i32.const 4
+  local.get $0
+  i32.load
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.add
+ )
+ (func $~lib/rt/tlsf/Root#set:flMap (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store
+ )
+ (func $~lib/rt/common/BLOCK#set:mmInfo (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store
+ )
+ (func $~lib/rt/tlsf/Block#set:prev (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=4
+ )
+ (func $~lib/rt/tlsf/Block#set:next (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=8
+ )
+ (func $~lib/rt/tlsf/removeBlock (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  (local $10 i32)
+  (local $11 i32)
+  local.get $1
+  i32.load
+  local.set $2
+  i32.const 1
+  drop
+  local.get $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 268
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $3
+  i32.const 1
+  drop
+  local.get $3
+  i32.const 12
+  i32.ge_u
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 270
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $4
+   local.get $3
+   i32.const 4
+   i32.shr_u
+   local.set $5
+  else
+   local.get $3
+   local.tee $6
+   i32.const 1073741820
+   local.tee $7
+   local.get $6
+   local.get $7
+   i32.lt_u
+   select
+   local.set $6
+   i32.const 31
+   local.get $6
+   i32.clz
+   i32.sub
+   local.set $4
+   local.get $6
+   local.get $4
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $5
+   local.get $4
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $4
+  end
+  i32.const 1
+  drop
+  local.get $4
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $5
+   i32.const 16
+   i32.lt_u
+  else
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 284
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load offset=4
+  local.set $8
+  local.get $1
+  i32.load offset=8
+  local.set $9
+  local.get $8
+  if
+   local.get $8
+   local.get $9
+   call $~lib/rt/tlsf/Block#set:next
+  end
+  local.get $9
+  if
+   local.get $9
+   local.get $8
+   call $~lib/rt/tlsf/Block#set:prev
+  end
+  local.get $1
+  local.get $0
+  local.set $10
+  local.get $4
+  local.set $6
+  local.get $5
+  local.set $7
+  local.get $10
+  local.get $6
+  i32.const 4
+  i32.shl
+  local.get $7
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  i32.eq
+  if
+   local.get $0
+   local.set $11
+   local.get $4
+   local.set $10
+   local.get $5
+   local.set $6
+   local.get $9
+   local.set $7
+   local.get $11
+   local.get $10
+   i32.const 4
+   i32.shl
+   local.get $6
+   i32.add
+   i32.const 2
+   i32.shl
+   i32.add
+   local.get $7
+   i32.store offset=96
+   local.get $9
+   i32.eqz
+   if
+    local.get $0
+    local.set $6
+    local.get $4
+    local.set $7
+    local.get $6
+    local.get $7
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=4
+    local.set $6
+    local.get $0
+    local.set $7
+    local.get $4
+    local.set $11
+    local.get $6
+    i32.const 1
+    local.get $5
+    i32.shl
+    i32.const -1
+    i32.xor
+    i32.and
+    local.tee $6
+    local.set $10
+    local.get $7
+    local.get $11
+    i32.const 2
+    i32.shl
+    i32.add
+    local.get $10
+    i32.store offset=4
+    local.get $6
+    i32.eqz
+    if
+     local.get $0
+     local.get $0
+     i32.load
+     i32.const 1
+     local.get $4
+     i32.shl
+     i32.const -1
+     i32.xor
+     i32.and
+     call $~lib/rt/tlsf/Root#set:flMap
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/insertBlock (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  (local $10 i32)
+  (local $11 i32)
+  (local $12 i32)
+  (local $13 i32)
+  i32.const 1
+  drop
+  local.get $1
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 201
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load
+  local.set $2
+  i32.const 1
+  drop
+  local.get $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 203
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.set $3
+  local.get $3
+  i32.const 4
+  i32.add
+  local.get $3
+  i32.load
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.add
+  local.set $4
+  local.get $4
+  i32.load
+  local.set $5
+  local.get $5
+  i32.const 1
+  i32.and
+  if
+   local.get $0
+   local.get $4
+   call $~lib/rt/tlsf/removeBlock
+   local.get $1
+   local.get $2
+   i32.const 4
+   i32.add
+   local.get $5
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.tee $2
+   call $~lib/rt/common/BLOCK#set:mmInfo
+   local.get $1
+   local.set $3
+   local.get $3
+   i32.const 4
+   i32.add
+   local.get $3
+   i32.load
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.set $4
+   local.get $4
+   i32.load
+   local.set $5
+  end
+  local.get $2
+  i32.const 2
+  i32.and
+  if
+   local.get $1
+   local.set $3
+   local.get $3
+   i32.const 4
+   i32.sub
+   i32.load
+   local.set $3
+   local.get $3
+   i32.load
+   local.set $6
+   i32.const 1
+   drop
+   local.get $6
+   i32.const 1
+   i32.and
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 368
+    i32.const 221
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $0
+   local.get $3
+   call $~lib/rt/tlsf/removeBlock
+   local.get $3
+   local.set $1
+   local.get $1
+   local.get $6
+   i32.const 4
+   i32.add
+   local.get $2
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.tee $2
+   call $~lib/rt/common/BLOCK#set:mmInfo
+  end
+  local.get $4
+  local.get $5
+  i32.const 2
+  i32.or
+  call $~lib/rt/common/BLOCK#set:mmInfo
+  local.get $2
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $7
+  i32.const 1
+  drop
+  local.get $7
+  i32.const 12
+  i32.ge_u
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 233
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  drop
+  local.get $1
+  i32.const 4
+  i32.add
+  local.get $7
+  i32.add
+  local.get $4
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 234
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  i32.const 4
+  i32.sub
+  local.get $1
+  i32.store
+  local.get $7
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $8
+   local.get $7
+   i32.const 4
+   i32.shr_u
+   local.set $9
+  else
+   local.get $7
+   local.tee $3
+   i32.const 1073741820
+   local.tee $6
+   local.get $3
+   local.get $6
+   i32.lt_u
+   select
+   local.set $3
+   i32.const 31
+   local.get $3
+   i32.clz
+   i32.sub
+   local.set $8
+   local.get $3
+   local.get $8
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $9
+   local.get $8
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $8
+  end
+  i32.const 1
+  drop
+  local.get $8
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $9
+   i32.const 16
+   i32.lt_u
+  else
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 251
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.set $10
+  local.get $8
+  local.set $3
+  local.get $9
+  local.set $6
+  local.get $10
+  local.get $3
+  i32.const 4
+  i32.shl
+  local.get $6
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  local.set $11
+  local.get $1
+  i32.const 0
+  call $~lib/rt/tlsf/Block#set:prev
+  local.get $1
+  local.get $11
+  call $~lib/rt/tlsf/Block#set:next
+  local.get $11
+  if
+   local.get $11
+   local.get $1
+   call $~lib/rt/tlsf/Block#set:prev
+  end
+  local.get $0
+  local.set $12
+  local.get $8
+  local.set $10
+  local.get $9
+  local.set $3
+  local.get $1
+  local.set $6
+  local.get $12
+  local.get $10
+  i32.const 4
+  i32.shl
+  local.get $3
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  local.get $6
+  i32.store offset=96
+  local.get $0
+  local.get $0
+  i32.load
+  i32.const 1
+  local.get $8
+  i32.shl
+  i32.or
+  call $~lib/rt/tlsf/Root#set:flMap
+  local.get $0
+  local.set $13
+  local.get $8
+  local.set $12
+  local.get $0
+  local.set $3
+  local.get $8
+  local.set $6
+  local.get $3
+  local.get $6
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=4
+  i32.const 1
+  local.get $9
+  i32.shl
+  i32.or
+  local.set $10
+  local.get $13
+  local.get $12
+  i32.const 2
+  i32.shl
+  i32.add
+  local.get $10
+  i32.store offset=4
+ )
+ (func $~lib/rt/tlsf/addMemory (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  i32.const 1
+  drop
+  local.get $1
+  local.get $2
+  i32.le_u
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 377
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 4
+  i32.add
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 4
+  i32.sub
+  local.set $1
+  local.get $2
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $2
+  local.get $0
+  local.set $3
+  local.get $3
+  i32.load offset=1568
+  local.set $4
+  i32.const 0
+  local.set $5
+  local.get $4
+  if
+   i32.const 1
+   drop
+   local.get $1
+   local.get $4
+   i32.const 4
+   i32.add
+   i32.ge_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 368
+    i32.const 384
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $1
+   i32.const 16
+   i32.sub
+   local.get $4
+   i32.eq
+   if
+    local.get $1
+    i32.const 16
+    i32.sub
+    local.set $1
+    local.get $4
+    i32.load
+    local.set $5
+   else
+    nop
+   end
+  else
+   i32.const 1
+   drop
+   local.get $1
+   local.get $0
+   i32.const 1572
+   i32.add
+   i32.ge_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 368
+    i32.const 397
+    i32.const 5
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $2
+  local.get $1
+  i32.sub
+  local.set $6
+  local.get $6
+  i32.const 4
+  i32.const 12
+  i32.add
+  i32.const 4
+  i32.add
+  i32.lt_u
+  if
+   i32.const 0
+   return
+  end
+  local.get $6
+  i32.const 2
+  i32.const 4
+  i32.mul
+  i32.sub
+  local.set $7
+  local.get $1
+  local.set $8
+  local.get $8
+  local.get $7
+  i32.const 1
+  i32.or
+  local.get $5
+  i32.const 2
+  i32.and
+  i32.or
+  call $~lib/rt/common/BLOCK#set:mmInfo
+  local.get $8
+  i32.const 0
+  call $~lib/rt/tlsf/Block#set:prev
+  local.get $8
+  i32.const 0
+  call $~lib/rt/tlsf/Block#set:next
+  local.get $1
+  i32.const 4
+  i32.add
+  local.get $7
+  i32.add
+  local.set $4
+  local.get $4
+  i32.const 0
+  i32.const 2
+  i32.or
+  call $~lib/rt/common/BLOCK#set:mmInfo
+  local.get $0
+  local.set $9
+  local.get $4
+  local.set $3
+  local.get $9
+  local.get $3
+  i32.store offset=1568
+  local.get $0
+  local.get $8
+  call $~lib/rt/tlsf/insertBlock
+  i32.const 1
+ )
+ (func $~lib/rt/tlsf/initialize
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  (local $10 i32)
+  (local $11 i32)
+  (local $12 i32)
+  i32.const 0
+  drop
+  global.get $~lib/memory/__heap_base
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $0
+  memory.size
+  local.set $1
+  local.get $0
+  i32.const 1572
+  i32.add
+  i32.const 65535
+  i32.add
+  i32.const 65535
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 16
+  i32.shr_u
+  local.set $2
+  local.get $2
+  local.get $1
+  i32.gt_s
+  if (result i32)
+   local.get $2
+   local.get $1
+   i32.sub
+   memory.grow
+   i32.const 0
+   i32.lt_s
+  else
+   i32.const 0
+  end
+  if
+   unreachable
+  end
+  local.get $0
+  local.set $3
+  local.get $3
+  i32.const 0
+  call $~lib/rt/tlsf/Root#set:flMap
+  local.get $3
+  local.set $5
+  i32.const 0
+  local.set $4
+  local.get $5
+  local.get $4
+  i32.store offset=1568
+  i32.const 0
+  local.set $5
+  loop $for-loop|0
+   local.get $5
+   i32.const 23
+   i32.lt_u
+   local.set $4
+   local.get $4
+   if
+    local.get $3
+    local.set $8
+    local.get $5
+    local.set $7
+    i32.const 0
+    local.set $6
+    local.get $8
+    local.get $7
+    i32.const 2
+    i32.shl
+    i32.add
+    local.get $6
+    i32.store offset=4
+    i32.const 0
+    local.set $8
+    loop $for-loop|1
+     local.get $8
+     i32.const 16
+     i32.lt_u
+     local.set $7
+     local.get $7
+     if
+      local.get $3
+      local.set $11
+      local.get $5
+      local.set $10
+      local.get $8
+      local.set $9
+      i32.const 0
+      local.set $6
+      local.get $11
+      local.get $10
+      i32.const 4
+      i32.shl
+      local.get $9
+      i32.add
+      i32.const 2
+      i32.shl
+      i32.add
+      local.get $6
+      i32.store offset=96
+      local.get $8
+      i32.const 1
+      i32.add
+      local.set $8
+      br $for-loop|1
+     end
+    end
+    local.get $5
+    i32.const 1
+    i32.add
+    local.set $5
+    br $for-loop|0
+   end
+  end
+  local.get $0
+  i32.const 1572
+  i32.add
+  local.set $12
+  i32.const 0
+  drop
+  local.get $3
+  local.get $12
+  memory.size
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  drop
+  local.get $3
+  global.set $~lib/rt/tlsf/ROOT
+ )
+ (func $~lib/rt/tlsf/checkUsedBlock (param $0 i32) (result i32)
+  (local $1 i32)
+  local.get $0
+  i32.const 4
+  i32.sub
+  local.set $1
+  local.get $0
+  i32.const 0
+  i32.ne
+  if (result i32)
+   local.get $0
+   i32.const 15
+   i32.and
+   i32.eqz
+  else
+   i32.const 0
+  end
+  if (result i32)
+   local.get $1
+   i32.load
+   i32.const 1
+   i32.and
+   i32.eqz
+  else
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 559
+   i32.const 3
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+ )
+ (func $~lib/rt/tlsf/freeBlock (param $0 i32) (param $1 i32)
+  i32.const 0
+  drop
+  local.get $1
+  local.get $1
+  i32.load
+  i32.const 1
+  i32.or
+  call $~lib/rt/common/BLOCK#set:mmInfo
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+ )
+ (func $~lib/rt/tlsf/__free (param $0 i32)
+  local.get $0
+  global.get $~lib/memory/__heap_base
+  i32.lt_u
+  if
+   return
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   call $~lib/rt/tlsf/initialize
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.get $0
+  call $~lib/rt/tlsf/checkUsedBlock
+  call $~lib/rt/tlsf/freeBlock
+ )
+ (func $~lib/rt/itcms/free (param $0 i32)
+  local.get $0
+  global.get $~lib/memory/__heap_base
+  i32.lt_u
+  if
+   local.get $0
+   i32.const 0
+   call $~lib/rt/itcms/Object#set:nextWithColor
+   local.get $0
+   i32.const 0
+   call $~lib/rt/itcms/Object#set:prev
+  else
+   global.get $~lib/rt/itcms/total
+   local.get $0
+   call $~lib/rt/itcms/Object#get:size
+   i32.sub
+   global.set $~lib/rt/itcms/total
+   i32.const 0
+   drop
+   local.get $0
+   i32.const 4
+   i32.add
+   call $~lib/rt/tlsf/__free
+  end
+ )
+ (func $~lib/rt/itcms/step (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  block $break|0
+   block $case2|0
+    block $case1|0
+     block $case0|0
+      global.get $~lib/rt/itcms/state
+      local.set $1
+      local.get $1
+      i32.const 0
+      i32.eq
+      br_if $case0|0
+      local.get $1
+      i32.const 1
+      i32.eq
+      br_if $case1|0
+      local.get $1
+      i32.const 2
+      i32.eq
+      br_if $case2|0
+      br $break|0
+     end
+     i32.const 1
+     global.set $~lib/rt/itcms/state
+     i32.const 0
+     global.set $~lib/rt/itcms/visitCount
+     i32.const 0
+     call $~lib/rt/itcms/visitRoots
+     global.get $~lib/rt/itcms/toSpace
+     global.set $~lib/rt/itcms/iter
+     global.get $~lib/rt/itcms/visitCount
+     i32.const 1
+     i32.mul
+     return
+    end
+    global.get $~lib/rt/itcms/white
+    i32.eqz
+    local.set $1
+    global.get $~lib/rt/itcms/iter
+    call $~lib/rt/itcms/Object#get:next
+    local.set $0
+    loop $while-continue|1
+     local.get $0
+     global.get $~lib/rt/itcms/toSpace
+     i32.ne
+     local.set $2
+     local.get $2
+     if
+      local.get $0
+      global.set $~lib/rt/itcms/iter
+      local.get $0
+      call $~lib/rt/itcms/Object#get:color
+      local.get $1
+      i32.ne
+      if
+       local.get $0
+       local.get $1
+       call $~lib/rt/itcms/Object#set:color
+       i32.const 0
+       global.set $~lib/rt/itcms/visitCount
+       local.get $0
+       i32.const 20
+       i32.add
+       i32.const 0
+       call $~lib/rt/__visit_members
+       global.get $~lib/rt/itcms/visitCount
+       i32.const 1
+       i32.mul
+       return
+      end
+      local.get $0
+      call $~lib/rt/itcms/Object#get:next
+      local.set $0
+      br $while-continue|1
+     end
+    end
+    i32.const 0
+    global.set $~lib/rt/itcms/visitCount
+    i32.const 0
+    call $~lib/rt/itcms/visitRoots
+    global.get $~lib/rt/itcms/iter
+    call $~lib/rt/itcms/Object#get:next
+    local.set $0
+    local.get $0
+    global.get $~lib/rt/itcms/toSpace
+    i32.eq
+    if
+     i32.const 0
+     call $~lib/rt/itcms/visitStack
+     global.get $~lib/rt/itcms/iter
+     call $~lib/rt/itcms/Object#get:next
+     local.set $0
+     loop $while-continue|2
+      local.get $0
+      global.get $~lib/rt/itcms/toSpace
+      i32.ne
+      local.set $2
+      local.get $2
+      if
+       local.get $0
+       call $~lib/rt/itcms/Object#get:color
+       local.get $1
+       i32.ne
+       if
+        local.get $0
+        local.get $1
+        call $~lib/rt/itcms/Object#set:color
+        local.get $0
+        i32.const 20
+        i32.add
+        i32.const 0
+        call $~lib/rt/__visit_members
+       end
+       local.get $0
+       call $~lib/rt/itcms/Object#get:next
+       local.set $0
+       br $while-continue|2
+      end
+     end
+     global.get $~lib/rt/itcms/fromSpace
+     local.set $2
+     global.get $~lib/rt/itcms/toSpace
+     global.set $~lib/rt/itcms/fromSpace
+     local.get $2
+     global.set $~lib/rt/itcms/toSpace
+     local.get $1
+     global.set $~lib/rt/itcms/white
+     local.get $2
+     call $~lib/rt/itcms/Object#get:next
+     global.set $~lib/rt/itcms/iter
+     i32.const 2
+     global.set $~lib/rt/itcms/state
+    end
+    global.get $~lib/rt/itcms/visitCount
+    i32.const 1
+    i32.mul
+    return
+   end
+   global.get $~lib/rt/itcms/iter
+   local.set $0
+   local.get $0
+   global.get $~lib/rt/itcms/toSpace
+   i32.ne
+   if
+    local.get $0
+    call $~lib/rt/itcms/Object#get:next
+    global.set $~lib/rt/itcms/iter
+    i32.const 1
+    drop
+    local.get $0
+    call $~lib/rt/itcms/Object#get:color
+    global.get $~lib/rt/itcms/white
+    i32.eqz
+    i32.eq
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 96
+     i32.const 228
+     i32.const 20
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $0
+    call $~lib/rt/itcms/free
+    i32.const 10
+    return
+   end
+   global.get $~lib/rt/itcms/toSpace
+   global.get $~lib/rt/itcms/toSpace
+   call $~lib/rt/itcms/Object#set:nextWithColor
+   global.get $~lib/rt/itcms/toSpace
+   global.get $~lib/rt/itcms/toSpace
+   call $~lib/rt/itcms/Object#set:prev
+   i32.const 0
+   global.set $~lib/rt/itcms/state
+   br $break|0
+  end
+  i32.const 0
+ )
+ (func $~lib/rt/itcms/interrupt
+  (local $0 i32)
+  (local $1 i32)
+  i32.const 0
+  drop
+  i32.const 0
+  drop
+  i32.const 1024
+  i32.const 200
+  i32.mul
+  i32.const 100
+  i32.div_u
+  local.set $0
+  loop $do-continue|0
+   local.get $0
+   call $~lib/rt/itcms/step
+   i32.sub
+   local.set $0
+   global.get $~lib/rt/itcms/state
+   i32.const 0
+   i32.eq
+   if
+    i32.const 0
+    drop
+    global.get $~lib/rt/itcms/total
+    i64.extend_i32_u
+    i64.const 200
+    i64.mul
+    i64.const 100
+    i64.div_u
+    i32.wrap_i64
+    i32.const 1024
+    i32.add
+    global.set $~lib/rt/itcms/threshold
+    i32.const 0
+    drop
+    return
+   end
+   local.get $0
+   i32.const 0
+   i32.gt_s
+   local.set $1
+   local.get $1
+   br_if $do-continue|0
+  end
+  i32.const 0
+  drop
+  global.get $~lib/rt/itcms/total
+  i32.const 1024
+  global.get $~lib/rt/itcms/total
+  global.get $~lib/rt/itcms/threshold
+  i32.sub
+  i32.const 1024
+  i32.lt_u
+  i32.mul
+  i32.add
+  global.set $~lib/rt/itcms/threshold
+  i32.const 0
+  drop
+ )
+ (func $~lib/rt/tlsf/computeSize (param $0 i32) (result i32)
+  local.get $0
+  i32.const 12
+  i32.le_u
+  if (result i32)
+   i32.const 12
+  else
+   local.get $0
+   i32.const 4
+   i32.add
+   i32.const 15
+   i32.add
+   i32.const 15
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 4
+   i32.sub
+  end
+ )
+ (func $~lib/rt/tlsf/prepareSize (param $0 i32) (result i32)
+  local.get $0
+  i32.const 1073741820
+  i32.gt_u
+  if
+   i32.const 32
+   i32.const 368
+   i32.const 458
+   i32.const 29
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  call $~lib/rt/tlsf/computeSize
+ )
+ (func $~lib/rt/tlsf/searchBlock (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  local.get $1
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $2
+   local.get $1
+   i32.const 4
+   i32.shr_u
+   local.set $3
+  else
+   local.get $1
+   i32.const 536870910
+   i32.lt_u
+   if (result i32)
+    local.get $1
+    i32.const 1
+    i32.const 27
+    local.get $1
+    i32.clz
+    i32.sub
+    i32.shl
+    i32.add
+    i32.const 1
+    i32.sub
+   else
+    local.get $1
+   end
+   local.set $4
+   i32.const 31
+   local.get $4
+   i32.clz
+   i32.sub
+   local.set $2
+   local.get $4
+   local.get $2
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $3
+   local.get $2
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $2
+  end
+  i32.const 1
+  drop
+  local.get $2
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $3
+   i32.const 16
+   i32.lt_u
+  else
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 330
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.set $5
+  local.get $2
+  local.set $4
+  local.get $5
+  local.get $4
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=4
+  i32.const 0
+  i32.const -1
+  i32.xor
+  local.get $3
+  i32.shl
+  i32.and
+  local.set $6
+  i32.const 0
+  local.set $7
+  local.get $6
+  i32.eqz
+  if
+   local.get $0
+   i32.load
+   i32.const 0
+   i32.const -1
+   i32.xor
+   local.get $2
+   i32.const 1
+   i32.add
+   i32.shl
+   i32.and
+   local.set $5
+   local.get $5
+   i32.eqz
+   if
+    i32.const 0
+    local.set $7
+   else
+    local.get $5
+    i32.ctz
+    local.set $2
+    local.get $0
+    local.set $8
+    local.get $2
+    local.set $4
+    local.get $8
+    local.get $4
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=4
+    local.set $6
+    i32.const 1
+    drop
+    local.get $6
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 368
+     i32.const 343
+     i32.const 18
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $0
+    local.set $9
+    local.get $2
+    local.set $8
+    local.get $6
+    i32.ctz
+    local.set $4
+    local.get $9
+    local.get $8
+    i32.const 4
+    i32.shl
+    local.get $4
+    i32.add
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=96
+    local.set $7
+   end
+  else
+   local.get $0
+   local.set $9
+   local.get $2
+   local.set $8
+   local.get $6
+   i32.ctz
+   local.set $4
+   local.get $9
+   local.get $8
+   i32.const 4
+   i32.shl
+   local.get $4
+   i32.add
+   i32.const 2
+   i32.shl
+   i32.add
+   i32.load offset=96
+   local.set $7
+  end
+  local.get $7
+ )
+ (func $~lib/rt/tlsf/growMemory (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  i32.const 0
+  drop
+  local.get $1
+  i32.const 536870910
+  i32.lt_u
+  if
+   local.get $1
+   i32.const 1
+   i32.const 27
+   local.get $1
+   i32.clz
+   i32.sub
+   i32.shl
+   i32.const 1
+   i32.sub
+   i32.add
+   local.set $1
+  end
+  memory.size
+  local.set $2
+  local.get $1
+  i32.const 4
+  local.get $2
+  i32.const 16
+  i32.shl
+  i32.const 4
+  i32.sub
+  local.get $0
+  local.set $3
+  local.get $3
+  i32.load offset=1568
+  i32.ne
+  i32.shl
+  i32.add
+  local.set $1
+  local.get $1
+  i32.const 65535
+  i32.add
+  i32.const 65535
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 16
+  i32.shr_u
+  local.set $4
+  local.get $2
+  local.tee $3
+  local.get $4
+  local.tee $5
+  local.get $3
+  local.get $5
+  i32.gt_s
+  select
+  local.set $6
+  local.get $6
+  memory.grow
+  i32.const 0
+  i32.lt_s
+  if
+   local.get $4
+   memory.grow
+   i32.const 0
+   i32.lt_s
+   if
+    unreachable
+   end
+  end
+  memory.size
+  local.set $7
+  local.get $0
+  local.get $2
+  i32.const 16
+  i32.shl
+  local.get $7
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  drop
+ )
+ (func $~lib/rt/tlsf/prepareBlock (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $1
+  i32.load
+  local.set $3
+  i32.const 1
+  drop
+  local.get $2
+  i32.const 4
+  i32.add
+  i32.const 15
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 357
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.get $2
+  i32.sub
+  local.set $4
+  local.get $4
+  i32.const 4
+  i32.const 12
+  i32.add
+  i32.ge_u
+  if
+   local.get $1
+   local.get $2
+   local.get $3
+   i32.const 2
+   i32.and
+   i32.or
+   call $~lib/rt/common/BLOCK#set:mmInfo
+   local.get $1
+   i32.const 4
+   i32.add
+   local.get $2
+   i32.add
+   local.set $5
+   local.get $5
+   local.get $4
+   i32.const 4
+   i32.sub
+   i32.const 1
+   i32.or
+   call $~lib/rt/common/BLOCK#set:mmInfo
+   local.get $0
+   local.get $5
+   call $~lib/rt/tlsf/insertBlock
+  else
+   local.get $1
+   local.get $3
+   i32.const 1
+   i32.const -1
+   i32.xor
+   i32.and
+   call $~lib/rt/common/BLOCK#set:mmInfo
+   local.get $1
+   local.set $5
+   local.get $5
+   i32.const 4
+   i32.add
+   local.get $5
+   i32.load
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.get $1
+   local.set $5
+   local.get $5
+   i32.const 4
+   i32.add
+   local.get $5
+   i32.load
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   i32.load
+   i32.const 2
+   i32.const -1
+   i32.xor
+   i32.and
+   call $~lib/rt/common/BLOCK#set:mmInfo
+  end
+ )
+ (func $~lib/rt/tlsf/allocateBlock (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $1
+  call $~lib/rt/tlsf/prepareSize
+  local.set $2
+  local.get $0
+  local.get $2
+  call $~lib/rt/tlsf/searchBlock
+  local.set $3
+  local.get $3
+  i32.eqz
+  if
+   local.get $0
+   local.get $2
+   call $~lib/rt/tlsf/growMemory
+   local.get $0
+   local.get $2
+   call $~lib/rt/tlsf/searchBlock
+   local.set $3
+   i32.const 1
+   drop
+   local.get $3
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 368
+    i32.const 496
+    i32.const 16
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  i32.const 1
+  drop
+  local.get $3
+  i32.load
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.get $2
+  i32.ge_u
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 368
+   i32.const 498
+   i32.const 14
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $3
+  call $~lib/rt/tlsf/removeBlock
+  local.get $0
+  local.get $3
+  local.get $2
+  call $~lib/rt/tlsf/prepareBlock
+  i32.const 0
+  drop
+  local.get $3
+ )
+ (func $~lib/rt/tlsf/__alloc (param $0 i32) (result i32)
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   call $~lib/rt/tlsf/initialize
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.get $0
+  call $~lib/rt/tlsf/allocateBlock
+  i32.const 4
+  i32.add
+ )
+ (func $~lib/rt/itcms/Object#set:rtId (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=12
+ )
+ (func $~lib/rt/itcms/Object#set:rtSize (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  i32.store offset=16
+ )
+ (func $~lib/memory/memory.fill (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i64)
+  (local $10 i32)
+  block $~lib/util/memory/memset|inlined.0
+   local.get $0
+   local.set $5
+   local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   i32.const 0
+   i32.const 1
+   i32.gt_s
+   drop
+   local.get $3
+   i32.eqz
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $3
+   i32.add
+   local.set $6
+   local.get $5
+   local.get $4
+   i32.store8
+   local.get $6
+   i32.const 1
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 2
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $4
+   i32.store8 offset=1
+   local.get $5
+   local.get $4
+   i32.store8 offset=2
+   local.get $6
+   i32.const 2
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $6
+   i32.const 3
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 6
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $4
+   i32.store8 offset=3
+   local.get $6
+   i32.const 4
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 8
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   i32.const 0
+   local.get $5
+   i32.sub
+   i32.const 3
+   i32.and
+   local.set $7
+   local.get $5
+   local.get $7
+   i32.add
+   local.set $5
+   local.get $3
+   local.get $7
+   i32.sub
+   local.set $3
+   local.get $3
+   i32.const -4
+   i32.and
+   local.set $3
+   i32.const -1
+   i32.const 255
+   i32.div_u
+   local.get $4
+   i32.const 255
+   i32.and
+   i32.mul
+   local.set $8
+   local.get $5
+   local.get $3
+   i32.add
+   local.set $6
+   local.get $5
+   local.get $8
+   i32.store
+   local.get $6
+   i32.const 4
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $3
+   i32.const 8
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $8
+   i32.store offset=4
+   local.get $5
+   local.get $8
+   i32.store offset=8
+   local.get $6
+   i32.const 12
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $6
+   i32.const 8
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $3
+   i32.const 24
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $8
+   i32.store offset=12
+   local.get $5
+   local.get $8
+   i32.store offset=16
+   local.get $5
+   local.get $8
+   i32.store offset=20
+   local.get $5
+   local.get $8
+   i32.store offset=24
+   local.get $6
+   i32.const 28
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $6
+   i32.const 24
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $6
+   i32.const 20
+   i32.sub
+   local.get $8
+   i32.store
+   local.get $6
+   i32.const 16
+   i32.sub
+   local.get $8
+   i32.store
+   i32.const 24
+   local.get $5
+   i32.const 4
+   i32.and
+   i32.add
+   local.set $7
+   local.get $5
+   local.get $7
+   i32.add
+   local.set $5
+   local.get $3
+   local.get $7
+   i32.sub
+   local.set $3
+   local.get $8
+   i64.extend_i32_u
+   local.get $8
+   i64.extend_i32_u
+   i64.const 32
+   i64.shl
+   i64.or
+   local.set $9
+   loop $while-continue|0
+    local.get $3
+    i32.const 32
+    i32.ge_u
+    local.set $10
+    local.get $10
+    if
+     local.get $5
+     local.get $9
+     i64.store
+     local.get $5
+     local.get $9
+     i64.store offset=8
+     local.get $5
+     local.get $9
+     i64.store offset=16
+     local.get $5
+     local.get $9
+     i64.store offset=24
+     local.get $3
+     i32.const 32
+     i32.sub
+     local.set $3
+     local.get $5
+     i32.const 32
+     i32.add
+     local.set $5
+     br $while-continue|0
+    end
+   end
+  end
+ )
+ (func $~lib/rt/itcms/__new (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  i32.const 1073741804
+  i32.ge_u
+  if
+   i32.const 32
+   i32.const 96
+   i32.const 260
+   i32.const 31
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/rt/itcms/total
+  global.get $~lib/rt/itcms/threshold
+  i32.ge_u
+  if
+   call $~lib/rt/itcms/interrupt
+  end
+  i32.const 16
+  local.get $0
+  i32.add
+  call $~lib/rt/tlsf/__alloc
+  i32.const 4
+  i32.sub
+  local.set $2
+  local.get $2
+  local.get $1
+  call $~lib/rt/itcms/Object#set:rtId
+  local.get $2
+  local.get $0
+  call $~lib/rt/itcms/Object#set:rtSize
+  local.get $2
+  global.get $~lib/rt/itcms/fromSpace
+  global.get $~lib/rt/itcms/white
+  call $~lib/rt/itcms/Object#linkTo
+  global.get $~lib/rt/itcms/total
+  local.get $2
+  call $~lib/rt/itcms/Object#get:size
+  i32.add
+  global.set $~lib/rt/itcms/total
+  local.get $2
+  i32.const 20
+  i32.add
+  local.set $3
+  local.get $3
+  i32.const 0
+  local.get $0
+  call $~lib/memory/memory.fill
+  local.get $3
+ )
+ (func $class-overloading-cast/A<i32>#foo (param $0 i32) (param $1 i32) (result i32)
+  i32.const 432
+ )
+ (func $~lib/string/String#get:length (param $0 i32) (result i32)
+  local.get $0
+  i32.const 20
+  i32.sub
+  i32.load offset=16
+  i32.const 1
+  i32.shr_u
+ )
+ (func $~lib/util/string/compareImpl (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (param $4 i32) (result i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  local.get $0
+  local.get $1
+  i32.const 1
+  i32.shl
+  i32.add
+  local.set $5
+  local.get $2
+  local.get $3
+  i32.const 1
+  i32.shl
+  i32.add
+  local.set $6
+  i32.const 0
+  i32.const 2
+  i32.lt_s
+  drop
+  local.get $4
+  i32.const 4
+  i32.ge_u
+  if (result i32)
+   local.get $5
+   i32.const 7
+   i32.and
+   local.get $6
+   i32.const 7
+   i32.and
+   i32.or
+   i32.eqz
+  else
+   i32.const 0
+  end
+  if
+   block $do-break|0
+    loop $do-continue|0
+     local.get $5
+     i64.load
+     local.get $6
+     i64.load
+     i64.ne
+     if
+      br $do-break|0
+     end
+     local.get $5
+     i32.const 8
+     i32.add
+     local.set $5
+     local.get $6
+     i32.const 8
+     i32.add
+     local.set $6
+     local.get $4
+     i32.const 4
+     i32.sub
+     local.set $4
+     local.get $4
+     i32.const 4
+     i32.ge_u
+     local.set $7
+     local.get $7
+     br_if $do-continue|0
+    end
+   end
+  end
+  loop $while-continue|1
+   local.get $4
+   local.tee $7
+   i32.const 1
+   i32.sub
+   local.set $4
+   local.get $7
+   local.set $7
+   local.get $7
+   if
+    local.get $5
+    i32.load16_u
+    local.set $8
+    local.get $6
+    i32.load16_u
+    local.set $9
+    local.get $8
+    local.get $9
+    i32.ne
+    if
+     local.get $8
+     local.get $9
+     i32.sub
+     return
+    end
+    local.get $5
+    i32.const 2
+    i32.add
+    local.set $5
+    local.get $6
+    i32.const 2
+    i32.add
+    local.set $6
+    br $while-continue|1
+   end
+  end
+  i32.const 0
+ )
+ (func $~lib/string/String.__eq (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  local.get $0
+  local.get $1
+  i32.eq
+  if
+   i32.const 1
+   return
+  end
+  local.get $0
+  i32.const 0
+  i32.eq
+  if (result i32)
+   i32.const 1
+  else
+   local.get $1
+   i32.const 0
+   i32.eq
+  end
+  if
+   i32.const 0
+   return
+  end
+  local.get $0
+  call $~lib/string/String#get:length
+  local.set $2
+  local.get $2
+  local.get $1
+  call $~lib/string/String#get:length
+  i32.ne
+  if
+   i32.const 0
+   return
+  end
+  local.get $0
+  i32.const 0
+  local.get $1
+  i32.const 0
+  local.get $2
+  call $~lib/util/string/compareImpl
+  i32.eqz
+ )
+ (func $class-overloading-cast/B<i32,~lib/string/String>#foo (param $0 i32) (param $1 i32) (result i32)
+  i32.const 464
+ )
+ (func $class-overloading-cast/A<f64>#foo (param $0 i32) (param $1 f64) (result i32)
+  i32.const 432
+ )
+ (func $class-overloading-cast/A<~lib/string/String>#foo (param $0 i32) (param $1 i32) (result i32)
+  i32.const 432
+ )
+ (func $class-overloading-cast/B<i32,f64>#foo (param $0 i32) (param $1 i32) (result i32)
+  i32.const 464
+ )
+ (func $class-overloading-cast/A<i32>#foo@virtual (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  block $default
+   block $case1
+    block $case0
+     local.get $0
+     i32.const 8
+     i32.sub
+     i32.load
+     local.set $2
+     local.get $2
+     i32.const 3
+     i32.eq
+     br_if $case0
+     local.get $2
+     i32.const 5
+     i32.eq
+     br_if $case1
+     br $default
+    end
+    local.get $0
+    local.get $1
+    call $class-overloading-cast/B<i32,f64>#foo
+    return
+   end
+   local.get $0
+   local.get $1
+   call $class-overloading-cast/B<i32,~lib/string/String>#foo
+   return
+  end
+  local.get $0
+  local.get $1
+  call $class-overloading-cast/A<i32>#foo
+ )
+ (func $class-overloading-cast/B<f64,~lib/string/String>#foo (param $0 i32) (param $1 f64) (result i32)
+  i32.const 464
+ )
+ (func $class-overloading-cast/A<f64>#foo@virtual (param $0 i32) (param $1 f64) (result i32)
+  (local $2 i32)
+  block $default
+   block $case0
+    local.get $0
+    i32.const 8
+    i32.sub
+    i32.load
+    local.set $2
+    local.get $2
+    i32.const 6
+    i32.eq
+    br_if $case0
+    br $default
+   end
+   local.get $0
+   local.get $1
+   call $class-overloading-cast/B<f64,~lib/string/String>#foo
+   return
+  end
+  local.get $0
+  local.get $1
+  call $class-overloading-cast/A<f64>#foo
+ )
+ (func $class-overloading-cast/A<~lib/string/String>#foo@virtual (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  local.get $0
+  i32.const 8
+  i32.sub
+  i32.load
+  drop
+  local.get $0
+  local.get $1
+  call $class-overloading-cast/A<~lib/string/String>#foo
+ )
+ (func $~lib/rt/__visit_globals (param $0 i32)
+  (local $1 i32)
+  global.get $class-overloading-cast/v
+  local.tee $1
+  if
+   local.get $1
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/v2
+  local.tee $1
+  if
+   local.get $1
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/v3
+  local.tee $1
+  if
+   local.get $1
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  global.get $class-overloading-cast/c
+  local.tee $1
+  if
+   local.get $1
+   local.get $0
+   call $~lib/rt/itcms/__visit
+  end
+  i32.const 224
+  local.get $0
+  call $~lib/rt/itcms/__visit
+  i32.const 32
+  local.get $0
+  call $~lib/rt/itcms/__visit
+ )
+ (func $~lib/arraybuffer/ArrayBufferView~visit (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.load
+  local.tee $2
+  if
+   local.get $2
+   local.get $1
+   call $~lib/rt/itcms/__visit
+  end
+ )
+ (func $~lib/rt/__visit_members (param $0 i32) (param $1 i32)
+  block $invalid
+   block $class-overloading-cast/A<~lib/string/String>
+    block $class-overloading-cast/C
+     block $class-overloading-cast/A<f64>
+      block $class-overloading-cast/B<f64,~lib/string/String>
+       block $class-overloading-cast/B<i32,~lib/string/String>
+        block $class-overloading-cast/A<i32>
+         block $class-overloading-cast/B<i32,f64>
+          block $~lib/arraybuffer/ArrayBufferView
+           block $~lib/string/String
+            block $~lib/arraybuffer/ArrayBuffer
+             local.get $0
+             i32.const 8
+             i32.sub
+             i32.load
+             br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $class-overloading-cast/B<i32,f64> $class-overloading-cast/A<i32> $class-overloading-cast/B<i32,~lib/string/String> $class-overloading-cast/B<f64,~lib/string/String> $class-overloading-cast/A<f64> $class-overloading-cast/C $class-overloading-cast/A<~lib/string/String> $invalid
+            end
+            return
+           end
+           return
+          end
+          local.get $0
+          local.get $1
+          call $~lib/arraybuffer/ArrayBufferView~visit
+          return
+         end
+         return
+        end
+        return
+       end
+       return
+      end
+      return
+     end
+     return
+    end
+    return
+   end
+   return
+  end
+  unreachable
+ )
+ (func $~start
+  global.get $~started
+  if
+   return
+  end
+  i32.const 1
+  global.set $~started
+  call $start:class-overloading-cast
+ )
+ (func $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  global.get $~lib/memory/__data_end
+  i32.lt_s
+  if
+   i32.const 17088
+   i32.const 17136
+   i32.const 1
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+ )
+ (func $start:class-overloading-cast
+  (local $0 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 16
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i64.const 0
+  i64.store
+  global.get $~lib/memory/__stack_pointer
+  i64.const 0
+  i64.store offset=8
+  memory.size
+  i32.const 16
+  i32.shl
+  global.get $~lib/memory/__heap_base
+  i32.sub
+  i32.const 1
+  i32.shr_u
+  global.set $~lib/rt/itcms/threshold
+  i32.const 144
+  call $~lib/rt/itcms/initLazy
+  global.set $~lib/rt/itcms/pinSpace
+  i32.const 176
+  call $~lib/rt/itcms/initLazy
+  global.set $~lib/rt/itcms/toSpace
+  i32.const 320
+  call $~lib/rt/itcms/initLazy
+  global.set $~lib/rt/itcms/fromSpace
+  i32.const 0
+  call $class-overloading-cast/B<i32,f64>#constructor
+  global.set $class-overloading-cast/v
+  i32.const 0
+  call $class-overloading-cast/B<i32,~lib/string/String>#constructor
+  global.set $class-overloading-cast/v2
+  i32.const 0
+  call $class-overloading-cast/B<f64,~lib/string/String>#constructor
+  global.set $class-overloading-cast/v3
+  global.get $class-overloading-cast/v
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  i32.const 1
+  call $class-overloading-cast/A<i32>#foo@virtual
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  i32.const 464
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=4
+  local.get $0
+  call $~lib/string/String.__eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 496
+   i32.const 17
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $class-overloading-cast/v2
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  i32.const 1
+  call $class-overloading-cast/B<i32,~lib/string/String>#foo
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  i32.const 464
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=4
+  local.get $0
+  call $~lib/string/String.__eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 496
+   i32.const 18
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $class-overloading-cast/v3
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  f64.const 1.1
+  call $class-overloading-cast/A<f64>#foo@virtual
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  i32.const 464
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=4
+  local.get $0
+  call $~lib/string/String.__eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 496
+   i32.const 19
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $class-overloading-cast/C#constructor
+  global.set $class-overloading-cast/c
+  global.get $class-overloading-cast/c
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  i32.const 576
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=12
+  local.get $0
+  call $class-overloading-cast/A<~lib/string/String>#foo@virtual
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  i32.const 432
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=4
+  local.get $0
+  call $~lib/string/String.__eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 496
+   i32.const 23
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $class-overloading-cast/c
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=8
+  local.get $0
+  i32.const 576
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=12
+  local.get $0
+  call $class-overloading-cast/A<~lib/string/String>#foo@virtual
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  i32.const 432
+  local.set $0
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store offset=4
+  local.get $0
+  call $~lib/string/String.__eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 496
+   i32.const 24
+   i32.const 1
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/memory/__stack_pointer
+  i32.const 16
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+ )
+ (func $class-overloading-cast/A<i32>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 4
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/B<i32,f64>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 3
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  call $class-overloading-cast/A<i32>#constructor
+  local.tee $0
+  i32.store
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/B<i32,~lib/string/String>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 5
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  call $class-overloading-cast/A<i32>#constructor
+  local.tee $0
+  i32.store
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/A<f64>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 7
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/B<f64,~lib/string/String>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 6
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  call $class-overloading-cast/A<f64>#constructor
+  local.tee $0
+  i32.store
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/A<~lib/string/String>#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 9
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+ (func $class-overloading-cast/C#constructor (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.eqz
+  if
+   global.get $~lib/memory/__stack_pointer
+   i32.const 0
+   i32.const 8
+   call $~lib/rt/itcms/__new
+   local.tee $0
+   i32.store
+  end
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  call $class-overloading-cast/A<~lib/string/String>#constructor
+  local.tee $0
+  i32.store
+  local.get $0
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
+)