Fix Windows build after r14770

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 2484 matching lines @@
 
 THREADED_TEST(ArrayBuffer_ApiInternalToExternal) {
   i::FLAG_harmony_array_buffer = true;
   i::FLAG_harmony_typed_arrays = true;
 
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   v8::HandleScope handle_scope(isolate);
 
   Local<v8::ArrayBuffer> ab = v8::ArrayBuffer::New(1024);
-  CHECK_EQ(1024, ab->ByteLength());
+  CHECK_EQ(1024, static_cast<int>(ab->ByteLength()));
   CHECK(!ab->IsExternal());
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   v8::ArrayBufferContents ab_contents;
   ab->Externalize(&ab_contents);
   CHECK(ab->IsExternal());
 
   CHECK_EQ(1024, static_cast<int>(ab_contents.ByteLength()));
   uint8_t* data = static_cast<uint8_t*>(ab_contents.Data());
   ASSERT(data != NULL);
@@ skipping 16785 matching lines @@
   i::Semaphore* sem_;
   volatile int sem_value_;
 };
 
 
 THREADED_TEST(SemaphoreInterruption) {
   ThreadInterruptTest().RunTest();
 }
 
 #endif  // WIN32