Fix a segment-fault caused by Value::IntegerValue

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 4656 matching lines @@
   CHECK(obj->IsInt32());
   CHECK(obj->IsUint32());
   // Positive zero
   CompileRun("var obj = -0.0;");
   obj = env->Global()->Get(v8_str("obj"));
   CHECK(!obj->IsInt32());
   CHECK(!obj->IsUint32());
 }
 
 
+THREADED_TEST(NoSegmentationFault) {
+  LocalContext env;
+  v8::Isolate* isolate = env->GetIsolate();
+  v8::HandleScope scope(isolate);
+  CompileRun("var obj = {a: 1};");
+  Local<Value> obj = env->Global()->Get(v8_str("obj"));
+
+  int64_t integer_value = obj->IntegerValue();
+  CHECK_EQ(0, integer_value);
+}
+
+
 THREADED_TEST(ConversionException) {
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   v8::HandleScope scope(isolate);
   CompileRun(
       "function TestClass() { };"
       "TestClass.prototype.toString = function () { throw 'uncle?'; };"
       "var obj = new TestClass();");
   Local<Value> obj = env->Global()->Get(v8_str("obj"));
 
@@ skipping 17164 matching lines @@
   timeout_thread.Join();
 }
 
 
 TEST(EstimatedContextSize) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   LocalContext env;
   CHECK(50000 < env->EstimatedSize());
 }