Record code slots that may point to evacuation candidate objects after deoptimizing them.

src/heap/mark-compact.h

Index: src/heap/mark-compact.h
diff --git a/src/heap/mark-compact.h b/src/heap/mark-compact.h
index 3db029e61021f87628087d286fefec3c89e1bf86..3fe2c92c33cd0bfca4dec505c4ca9ccf3f4ed23b 100644
--- a/src/heap/mark-compact.h
+++ b/src/heap/mark-compact.h
@@ -420,7 +420,7 @@ class SlotsBuffer {
 
   // Eliminate all slots that point to the given invalid_object.

[Michael Starzinger, 2015/07/03 11:24:55]

nit: Comment no longer applies.

[Hannes Payer (out of office), 2015/07/03 11:26:53]

Done.

   static void RemoveObjectSlots(Heap* heap, SlotsBuffer* buffer,
-                                HeapObject* invalid_object);
+                                Address start_slot, Address end_slot);
 
   // Ensures that there are no invalid slots in the chain of slots buffers.
   static void VerifySlots(Heap* heap, SlotsBuffer* buffer);
@@ -742,8 +742,8 @@ class MarkCompactCollector {
   void VerifyIsSlotInLiveObject(Address slot, HeapObject* object);
 
   // Removes all the slots in the slot buffers that are within the given
-  // invalid_object.
-  void RemoveObjectSlots(HeapObject* invalid_object);
+  // address range.
+  void RemoveObjectSlots(Address start_slot, Address end_slot);
 
  private:
   class SweeperTask;