[heap] Fix clearing markbit in LO space

src/heap/spaces.cc

Index: src/heap/spaces.cc
diff --git a/src/heap/spaces.cc b/src/heap/spaces.cc
index 4c940a82dd8825138ff7c6a4d7116799c282f1fe..b6d41e03a1e1c276888f43b2b698e262f9307529 100644
--- a/src/heap/spaces.cc
+++ b/src/heap/spaces.cc
@@ -3041,7 +3041,7 @@ void LargeObjectSpace::ClearMarkingStateOfLiveObjects() {
   while (current != NULL) {
     HeapObject* object = current->GetObject();
     DCHECK(ObjectMarking::IsBlack(object));
-    ObjectMarking::BlackToWhite(object);
+    ObjectMarking::ClearMarkBit(object);
     Page::FromAddress(object->address())->ResetProgressBar();
     Page::FromAddress(object->address())->ResetLiveBytes();
     current = current->next_page();