[wasm] Move asm.js offset table to compiled module

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 5ecffaf7b10f1b8e6dcba021a98c901e3460c6d4..b8abe823f53a946bd5c64d4f86d363d778957930 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1532,9 +1532,12 @@ Script* WasmFrame::script() const {
 int WasmFrame::position() const {
   int position = StandardFrame::position();
   if (wasm::WasmIsAsmJs(wasm_instance(), isolate())) {
-    Handle<JSObject> instance(JSObject::cast(wasm_instance()), isolate());
-    position =
-        wasm::GetAsmWasmSourcePosition(instance, function_index(), position);
+    Handle<WasmCompiledModule> compiled_module(
+        WasmInstanceObject::cast(wasm_instance())->get_compiled_module(),
+        isolate());
+    DCHECK_LE(0, position);
+    position = WasmCompiledModule::GetAsmJsSourcePosition(
+        compiled_module, function_index(), static_cast<uint32_t>(position));
   }
   return position;
 }