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

src/mark-compact-inl.h

Index: src/mark-compact-inl.h
diff --git a/src/mark-compact-inl.h b/src/mark-compact-inl.h
index 321309c60e20136be1a2f25213479d0331ecd73d..a42e0f7f12eed9e1ba4caae546f0c5a9ea35ae3b 100644
--- a/src/mark-compact-inl.h
+++ b/src/mark-compact-inl.h
@@ -81,14 +81,15 @@ bool MarkCompactCollector::IsMarked(Object* obj) {
 
 void MarkCompactCollector::RecordSlot(Object** anchor_slot,
                                       Object** slot,
-                                      Object* object) {
+                                      Object* object,
+                                      SlotsBuffer::AdditionMode mode) {
   Page* object_page = Page::FromAddress(reinterpret_cast<Address>(object));
   if (object_page->IsEvacuationCandidate() &&
       !ShouldSkipEvacuationSlotRecording(anchor_slot)) {
     if (!SlotsBuffer::AddTo(&slots_buffer_allocator_,
                             object_page->slots_buffer_address(),
                             slot,
-                            SlotsBuffer::FAIL_ON_OVERFLOW)) {
+                            mode)) {
       EvictEvacuationCandidate(object_page);
     }
   }