[wasm] external serialization APIs

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index fe4438d246cb5668d5bdb59c245e89ccbb5ba9da..2b0b271af3306c0901c4cc69b55259242fe44981 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -143,6 +143,12 @@ bool HeapObject::IsFixedArrayBase() const {
   return IsFixedArray() || IsFixedDoubleArray() || IsFixedTypedArrayBase();
 }
 
+bool HeapObject::IsWebAssemblyCompiledModule() const {
+  if (!IsJSObject()) return false;
+  return GetIsolate()->native_context()->wasm_module_constructor() ==
+         this->map()->GetConstructor();
+}
+
 bool HeapObject::IsFixedArray() const {
   InstanceType instance_type = map()->instance_type();
   return instance_type == FIXED_ARRAY_TYPE ||