Fix JSON.stringify for objects with interceptor handlers.

test/cctest/test-accessors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 435 matching lines @@
   obj->SetAccessor(v8_str("xxx"), AllocateHandles);
   LocalContext env;
   env->Global()->Set(v8_str("obj"), obj->NewInstance());
   v8::Handle<v8::Value> result = Script::Compile(String::New(
       "var result;"
       "for (var i = 0; i < 4; i++)"
       "  result = obj.xxx;"
       "result;"))->Run();
   CHECK_EQ(100, result->Int32Value());
 }
+
+
+v8::Handle<v8::Array> JSONStringifyEnumerator(const AccessorInfo& info) {
+  v8::Handle<v8::Array> array = v8::Array::New(1);
+  array->Set(0, v8_str("regress"));
+  return array;
+}
+
+
+v8::Handle<v8::Value> JSONStringifyGetter(Local<String> name,
+                                          const AccessorInfo& info) {
+  return v8_str("crbug-161028");
+}
+
+
+THREADED_TEST(JSONStringifyNamedInterceptorObject) {
+  v8::HandleScope scope;
+  LocalContext env;
+
+  v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
+  obj->SetNamedPropertyHandler(
+      JSONStringifyGetter, NULL, NULL, NULL, JSONStringifyEnumerator);
+  env->Global()->Set(v8_str("obj"), obj->NewInstance());
+  v8::Handle<v8::String> expected = v8_str("{\"regress\":\"crbug-161028\"}");
+  CHECK(CompileRun("JSON.stringify(obj)")->Equals(expected));
+}