Be more willing to expand old space when evacuating new space at the end of

test/cctest/test-mark-compact.cc

 // Copyright 2006-2008 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 124 matching lines @@
     { MaybeObject* maybe_obj = HEAP->AllocateFixedArray(100, TENURED);
       if (!maybe_obj->ToObject(&obj)) break;
     }
 
     host->set(0, obj);
     host = FixedArray::cast(obj);
   }
 
   // Call mark compact GC, and it should pass.
   HEAP->CollectGarbage(OLD_POINTER_SPACE);
-
-  // array should not be promoted because the old space is full.
-  CHECK(HEAP->InSpace(*array, NEW_SPACE));
 }
 
 
 TEST(MarkCompactCollector) {
   InitializeVM();
 
   v8::HandleScope sc;
   // call mark-compact when heap is empty
   HEAP->CollectGarbage(OLD_POINTER_SPACE);
 
@@ skipping 282 matching lines @@
   Handle<Object> object =
       global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
 
   TestRetainedObjectInfo info;
   global_handles->AddObjectGroup(NULL, 0, &info);
   ASSERT(info.has_been_disposed());
 
   global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(object).location(), NULL, 0);
 }