Ignore slots buffer overflow when recording entries of the allocation sites scratchpad.

src/mark-compact.h

 // 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 672 matching lines @@
       evacuation_candidates_.RemoveElement(page);
     } else {
       page->SetFlag(Page::RESCAN_ON_EVACUATION);
     }
   }
 
   void RecordRelocSlot(RelocInfo* rinfo, Object* target);
   void RecordCodeEntrySlot(Address slot, Code* target);
   void RecordCodeTargetPatch(Address pc, Code* target);
 
-  INLINE(void RecordSlot(Object** anchor_slot, Object** slot, Object* object));
+  INLINE(void RecordSlot(Object** anchor_slot,
+                         Object** slot,
+                         Object* object,
+                         SlotsBuffer::AdditionMode mode =
+                             SlotsBuffer::FAIL_ON_OVERFLOW));
 
   void MigrateObject(Address dst,
                      Address src,
                      int size,
                      AllocationSpace to_old_space);
 
   bool TryPromoteObject(HeapObject* object, int object_size);
 
   inline Object* encountered_weak_collections() {
     return encountered_weak_collections_;
@@ skipping 328 matching lines @@
  private:
   MarkCompactCollector* collector_;
 };
 
 
 const char* AllocationSpaceName(AllocationSpace space);
 
 } }  // namespace v8::internal
 
 #endif  // V8_MARK_COMPACT_H_