Don't lookup the cache for the result of Function::New

test/cctest/test-api.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 20566 matching lines @@
   env->Global()->Set(v8_str("func"), func);
   Local<Value> result = CompileRun("func();");
   CHECK_EQ(v8::Integer::New(17, isolate), result);
   // Verify function not cached
   int serial_number =
       i::Smi::cast(v8::Utils::OpenHandle(*func)
           ->shared()->get_api_func_data()->serial_number())->value();
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   i::Object* elm = i_isolate->native_context()->function_cache()
       ->GetElementNoExceptionThrown(i_isolate, serial_number);
-  CHECK(elm->IsNull());
+  CHECK(elm->IsUndefined());
+  // Verify that each Function::New creates a new function instance
+  Local<Object> data2 = v8::Object::New();
+  function_new_expected_env = data2;
+  Local<Function> func2 = Function::New(isolate, FunctionNewCallback, data2);
+  CHECK(!func2->IsNull());
+  CHECK_NE(func, func2);
+  env->Global()->Set(v8_str("func2"), func2);
+  Local<Value> result2 = CompileRun("func2();");
+  CHECK_EQ(v8::Integer::New(17, isolate), result2);
 }