[wasm] Disassemble wasm code from script

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 5dc18607b2b9431a96dd50693f00d35837a27af3..f7cedf4889628052d37bb31772bfbdf1941c93ab 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6557,9 +6557,17 @@ class Script: public Struct {
   // [source_url]: sourceURL from magic comment
   DECL_ACCESSORS(source_url, Object)
 
-  // [source_url]: sourceMappingURL magic comment
+  // [source_mapping_url]: sourceMappingURL magic comment
   DECL_ACCESSORS(source_mapping_url, Object)
 
+  // [wasm_object]: the wasm object this script belongs to.
+  // This must only be called if the type of this script is TYPE_WASM.
+  DECL_ACCESSORS(wasm_object, JSObject)
+
+  // [wasm_function_index]: the wasm function index this script belongs to.
+  // This must only be called if the type of this script is TYPE_WASM.
+  DECL_INT_ACCESSORS(wasm_function_index)
+
   // [compilation_type]: how the the script was compiled. Encoded in the
   // 'flags' field.
   inline CompilationType compilation_type();