Ensure that we are getting steps from inline allocation when doing incremental sweeping.

src/heap.cc

 // Copyright 2011 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 464 matching lines @@
 #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() &&
-      incremental_marking()->IsMarkingIncomplete() &&
+      !incremental_marking()->IsStopped() &&
       !incremental_marking()->should_hurry() &&
       FLAG_incremental_marking_steps) {
     if (FLAG_trace_incremental_marking) {
       PrintF("[IncrementalMarking] Delaying MarkSweep.\n");
     }
     collector = SCAVENGER;
   }
 
   bool next_gc_likely_to_collect_more = false;
 
@@ skipping 5458 matching lines @@
 }
 
 
 void ExternalStringTable::TearDown() {
   new_space_strings_.Free();
   old_space_strings_.Free();
 }
 
 
 } }  // namespace v8::internal