[heap] Black allocation.

src/heap/store-buffer.cc

Index: src/heap/store-buffer.cc
diff --git a/src/heap/store-buffer.cc b/src/heap/store-buffer.cc
index 9a469ee5f2759be2af7c7250c98626a695acae85..2ae73d9cfbbc7f1670e0a75a83942f8ad993df04 100644
--- a/src/heap/store-buffer.cc
+++ b/src/heap/store-buffer.cc
@@ -379,8 +379,10 @@ void StoreBuffer::ClearInvalidStoreBufferEntries() {
       // If the target object is not black, the source slot must be part
       // of a non-black (dead) object.
       HeapObject* heap_object = HeapObject::cast(object);
-      if (Marking::IsBlack(Marking::MarkBitFrom(heap_object)) &&
-          heap_->mark_compact_collector()->IsSlotInLiveObject(addr)) {
+      Page* heap_object_page = Page::FromAddress(heap_object->address());
+      if (heap_object_page->IsFlagSet(Page::BLACK_PAGE) ||
+          (Marking::IsBlack(Marking::MarkBitFrom(heap_object)) &&
+           heap_->mark_compact_collector()->IsSlotInLiveObject(addr))) {
         *new_top++ = addr;
       }
     }