Fix sporadic crash in the RequestInterruptTestWithNativeAccessor.

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 21030 matching lines @@
 
   void RunTest() {
     InterruptThread i_thread(this);
     i_thread.Start();
 
     v8::HandleScope handle_scope(isolate_);
 
     TestBody();
 
     isolate_->ClearInterrupt();
+
+    // Verify we arrived here because interruptor was called
+    // not due to a bug causing us to exit the loop too early.
+    CHECK(!should_continue());
   }
 
   void WakeUpInterruptor() {
     sem_.Signal();
   }
 
   bool should_continue() const { return should_continue_; }
 
   bool ShouldContinue() {
     if (warmup_ > 0) {
@@ skipping 78 matching lines @@
 
     CompileRun("var obj = new Klass; while (obj.shouldContinue) { }");
   }
 };
 
 
 class RequestInterruptTestWithNativeAccessor : public RequestInterruptTestBase {
  public:
   virtual void TestBody() {
     v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate_);
-    v8::Local<v8::Template> proto = t->PrototypeTemplate();
-    proto->SetNativeDataProperty(v8_str("shouldContinue"),
-                                 &ShouldContinueNativeGetter,
-                                 NULL,
-                                 v8::External::New(isolate_, this));
+    t->InstanceTemplate()->SetNativeDataProperty(
+        v8_str("shouldContinue"),
+        &ShouldContinueNativeGetter,
+        NULL,
+        v8::External::New(isolate_, this));
     env_->Global()->Set(v8_str("Klass"), t->GetFunction());
 
     CompileRun("var obj = new Klass; while (obj.shouldContinue) { }");
   }
 
  private:
   static void ShouldContinueNativeGetter(
       Local<String> property,
       const v8::PropertyCallbackInfo<v8::Value>& info) {
     RequestInterruptTestBase* test =
@@ skipping 162 matching lines @@
   }
   for (int i = 0; i < runs; i++) {
     Local<String> expected;
     if (i != 0) {
       CHECK_EQ(v8_str("escape value"), values[i]);
     } else {
       CHECK(values[i].IsEmpty());
     }
   }
 }