Don't let the GC clear the cache between cache invocations to pass test.

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 16823 matching lines @@
   v8::V8::RemoveGCEpilogueCallback(EpilogueCallbackSecond);
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(2, prologue_call_count);
   CHECK_EQ(2, epilogue_call_count);
   CHECK_EQ(2, prologue_call_count_second);
   CHECK_EQ(2, epilogue_call_count_second);
 }
 
 
 THREADED_TEST(AddToJSFunctionResultCache) {
+  i::FLAG_stress_compaction = false;
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope scope(v8::Isolate::GetCurrent());
 
   LocalContext context;
 
   const char* code =
       "(function() {"
       "  var key0 = 'a';"
       "  var key1 = 'b';"
       "  var r0 = %_GetFromCache(0, key0);"
@@ skipping 2482 matching lines @@
   i::Semaphore* sem_;
   volatile int sem_value_;
 };
 
 
 THREADED_TEST(SemaphoreInterruption) {
   ThreadInterruptTest().RunTest();
 }
 
 #endif  // WIN32