Do not print stack-trace for OOM when GC is in progress.

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/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 4838 matching lines @@
       DCHECK(0 <= type && type <= LAST_TYPE);
       stats->objects_per_type[type]++;
       stats->size_per_type[type] += obj->Size();
     }
   }
   if (stats->last_few_messages != NULL)
     GetFromRingBuffer(stats->last_few_messages);
   if (stats->js_stacktrace != NULL) {
     FixedStringAllocator fixed(stats->js_stacktrace, kStacktraceBufferSize - 1);
     StringStream accumulator(&fixed, StringStream::kPrintObjectConcise);
-    isolate()->PrintStack(&accumulator, Isolate::kPrintStackVerbose);
+    if (gc_state() == Heap::NOT_IN_GC) {
+      isolate()->PrintStack(&accumulator, Isolate::kPrintStackVerbose);
+    } else {
+      accumulator.Add("Cannot get stack trace in GC.");
+    }
   }
 }
 
 
 intptr_t Heap::PromotedSpaceSizeOfObjects() {
   return old_space_->SizeOfObjects() + code_space_->SizeOfObjects() +
          map_space_->SizeOfObjects() + lo_space_->SizeOfObjects();
 }
 
 
@@ skipping 1314 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8