Don't verify evacuation when it is not completed.

src/heap/mark-compact.h

 // 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.
 
 #ifndef V8_HEAP_MARK_COMPACT_H_
 #define V8_HEAP_MARK_COMPACT_H_
 
 #include "src/base/bits.h"
 #include "src/heap/spaces.h"
 
@@ skipping 625 matching lines @@
   // If sweeper threads are not active this method will return true. If
   // this is a latency issue we should be smarter here. Otherwise, it will
   // return true if the sweeper threads are done processing the pages.
   bool IsSweepingCompleted();
 
   void RefillFreeList(PagedSpace* space);
 
   // Checks if sweeping is in progress right now on any space.
   bool sweeping_in_progress() { return sweeping_in_progress_; }
 
-  void set_sequential_sweeping(bool sequential_sweeping) {
-    sequential_sweeping_ = sequential_sweeping;
-  }
+  void set_evacuation(bool evacuation) { evacuation_ = evacuation; }
 
-  bool sequential_sweeping() const { return sequential_sweeping_; }
+  bool evacuation() const { return evacuation_; }
 
   // Mark the global table which maps weak objects to dependent code without
   // marking its contents.
   void MarkWeakObjectToCodeTable();
 
   // Special case for processing weak references in a full collection. We need
   // to artificially keep AllocationSites alive for a time.
   void MarkAllocationSite(AllocationSite* site);
 
   bool IsMarkingDequeEmpty();
@@ skipping 36 matching lines @@
   // candidates.
   bool compacting_;
 
   bool was_marked_incrementally_;
 
   // True if concurrent or parallel sweeping is currently in progress.
   bool sweeping_in_progress_;
 
   base::Semaphore pending_sweeper_jobs_semaphore_;
 
-  bool sequential_sweeping_;
+  bool evacuation_;
 
   SlotsBufferAllocator slots_buffer_allocator_;
 
   SlotsBuffer* migration_slots_buffer_;
 
   // Finishes GC, performs heap verification if enabled.
   void Finish();
 
   // -----------------------------------------------------------------------
   // Phase 1: Marking live objects.
@@ skipping 209 matching lines @@
 
  private:
   MemoryChunk* chunk_;
   MarkBit::CellType* cells_;
   unsigned int last_cell_index_;
   unsigned int cell_index_;
   Address cell_base_;
 };
 
 
-class SequentialSweepingScope BASE_EMBEDDED {
+class EvacuationScope BASE_EMBEDDED {
  public:
-  explicit SequentialSweepingScope(MarkCompactCollector* collector)
+  explicit EvacuationScope(MarkCompactCollector* collector)
       : collector_(collector) {
-    collector_->set_sequential_sweeping(true);
+    collector_->set_evacuation(true);
   }
 
-  ~SequentialSweepingScope() { collector_->set_sequential_sweeping(false); }
+  ~EvacuationScope() { collector_->set_evacuation(false); }
 
  private:
   MarkCompactCollector* collector_;
 };
 
 
 const char* AllocationSpaceName(AllocationSpace space);
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_MARK_COMPACT_H_