Disable stress_compaction flag in several GC tests to meet test

test/cctest/test-weaktypedarrays.cc

 // Copyright 2013 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 67 matching lines @@
   for (Object* o = array_buffer->weak_first_array();
        !o->IsUndefined();
        o = JSTypedArray::cast(o)->weak_next()) {
     if (ta == o) return true;
   }
   return false;
 }
 
 
 TEST(WeakArrayBuffersFromApi) {
+  i::FLAG_stress_compaction = false;
   v8::V8::Initialize();
   LocalContext context;
   Isolate* isolate = GetIsolateFrom(&context);
 
   CHECK_EQ(0, CountArrayBuffersInWeakList(isolate->heap()));
   {
     v8::HandleScope s1(context->GetIsolate());
     v8::Handle<v8::ArrayBuffer> ab1 = v8::ArrayBuffer::New(256);
     {
       v8::HandleScope s2(context->GetIsolate());
@@ skipping 279 matching lines @@
 
 TEST(Float64ArrayFromScript) {
   TestTypedArrayFromScript<v8::Float64Array>("Float64Array");
 }
 
 
 TEST(Uint8ClampedArrayFromScript) {
   TestTypedArrayFromScript<v8::Uint8ClampedArray>("Uint8ClampedArray");
 }