Fix the failure when enabling v8 profiler or vtune profiler in chromium.

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 934 matching lines @@
                                    : isolate_->counters()->gc_compactor());
       next_gc_likely_to_collect_more =
           PerformGarbageCollection(collector, gc_callback_flags);
     }
 
     GarbageCollectionEpilogue();
     if (collector == MARK_COMPACTOR && FLAG_track_detached_contexts) {
       isolate()->CheckDetachedContextsAfterGC();
     }
 
-    if (collector == MARK_COMPACTOR) {
+    if (collector == MARK_COMPACTOR && deserialization_complete_) {
       intptr_t committed_memory_after = CommittedOldGenerationMemory();
       intptr_t used_memory_after = PromotedSpaceSizeOfObjects();
       MemoryReducer::Event event;
       event.type = MemoryReducer::kMarkCompact;
       event.time_ms = MonotonicallyIncreasingTimeInMs();
       // Trigger one more GC if
       // - this GC decreased committed memory,
       // - there is high fragmentation,
       // - there are live detached contexts.
       event.next_gc_likely_to_collect_more =
           (committed_memory_before - committed_memory_after) > MB ||
           HasHighFragmentation(used_memory_after, committed_memory_after) ||
           (detached_contexts()->length() > 0);
       memory_reducer_.NotifyMarkCompact(event);

[ulan, 2015/07/30 10:34:09]

Please guard just this line with "if (deserialization_complete_)"

     }
 
     tracer()->Stop(collector);
   }
 
   if (collector == MARK_COMPACTOR &&
       (gc_callback_flags & kGCCallbackFlagForced) != 0) {
     isolate()->CountUsage(v8::Isolate::kForcedGC);
   }
 
@@ skipping 5943 matching lines @@
     *object_type = "CODE_TYPE";                                                \
     *object_sub_type = "CODE_AGE/" #name;                                      \
     return true;
     CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME)
 #undef COMPARE_AND_RETURN_NAME
   }
   return false;
 }
 }  // namespace internal
 }  // namespace v8