Add kAbortIncrementalMarkingMask flag for GC.

src/heap.cc

 // Copyright 2012 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 481 matching lines @@
   allocation_timeout_ = Max(6, FLAG_gc_interval);
 #endif
 
   if (collector == SCAVENGER && !incremental_marking()->IsStopped()) {
     if (FLAG_trace_incremental_marking) {
       PrintF("[IncrementalMarking] Scavenge during marking.\n");
     }
   }
 
   if (collector == MARK_COMPACTOR &&
-      !mark_compact_collector()->PreciseSweepingRequired() &&
+      !mark_compact_collector()->abort_incremental_marking_ &&
       !incremental_marking()->IsStopped() &&
       !incremental_marking()->should_hurry() &&
       FLAG_incremental_marking_steps) {
     if (FLAG_trace_incremental_marking) {
       PrintF("[IncrementalMarking] Delaying MarkSweep.\n");
     }
     collector = SCAVENGER;
     collector_reason = "incremental marking delaying mark-sweep";
   }
 
@@ skipping 62 matching lines @@
   SymbolTableVerifier verifier;
   HEAP->symbol_table()->IterateElements(&verifier);
 #endif  // DEBUG
 }
 
 
 static bool AbortIncrementalMarkingAndCollectGarbage(
     Heap* heap,
     AllocationSpace space,
     const char* gc_reason = NULL) {
-  heap->mark_compact_collector()->SetFlags(Heap::kMakeHeapIterableMask);
+  heap->mark_compact_collector()->SetFlags(Heap::kAbortIncrementalMarkingMask);
   bool result = heap->CollectGarbage(space, gc_reason);
   heap->mark_compact_collector()->SetFlags(Heap::kNoGCFlags);
   return result;
 }
 
 
 void Heap::ReserveSpace(
     int new_space_size,
     int pointer_space_size,
     int data_space_size,
@@ skipping 6356 matching lines @@
   isolate_->heap()->store_buffer()->Compact();
   isolate_->heap()->store_buffer()->Filter(MemoryChunk::ABOUT_TO_BE_FREED);
   for (chunk = chunks_queued_for_free_; chunk != NULL; chunk = next) {
     next = chunk->next_chunk();
     isolate_->memory_allocator()->Free(chunk);
   }
   chunks_queued_for_free_ = NULL;
 }
 
 } }  // namespace v8::internal