Cleaned up setting of accessors.

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 5063 matching lines @@
   old_pointer_space_->Verify(&visitor);
   map_space_->Verify(&visitor);
 
   VerifyPointersVisitor no_dirty_regions_visitor;
   old_data_space_->Verify(&no_dirty_regions_visitor);
   code_space_->Verify(&no_dirty_regions_visitor);
   cell_space_->Verify(&no_dirty_regions_visitor);
 
   lo_space_->Verify();
 
-  // TODO(svenpanne) We should enable this when our fast->slow->fast-mode dance
-  // for setting accessor properties is fixed.
-  // VerifyNoAccessorPairSharing();
+  VerifyNoAccessorPairSharing();
 }
 
 
 void Heap::VerifyNoAccessorPairSharing() {
   // Verification is done in 2 phases: First we mark all AccessorPairs, checking
   // that we mark only unmarked pairs, then we clear all marks, restoring the
   // initial state. We use the Smi tag of the AccessorPair's getter as the
   // marking bit, because we can never see a Smi as the getter.
   for (int phase = 0; phase < 2; phase++) {
     HeapObjectIterator iter(map_space());
@@ skipping 1833 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