We might decide to start incremental marking immediately after finishing one cycle.

In this case uncommiting marking deque is impossible.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8528030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/incremental-marking.cc

@@ -453,8 +453,7 @@ void IncrementalMarking::EnsureMarkingDequeIsCommitted() {
 }
 
 void IncrementalMarking::UncommitMarkingDeque() {
-  ASSERT(state_ == STOPPED);
-  if (marking_deque_memory_committed_) {
+  if (state_ == STOPPED && marking_deque_memory_committed_) {
     bool success = marking_deque_memory_->Uncommit(
         reinterpret_cast<Address>(marking_deque_memory_->address()),
         marking_deque_memory_->size());