Index: src/mark-compact.cc |
diff --git a/src/mark-compact.cc b/src/mark-compact.cc |
index b857c793798a4f91a8f87ff9830acf465f9898a5..ce4d6ac655887e638848ca06229502e20e6f3deb 100644 |
--- a/src/mark-compact.cc |
+++ b/src/mark-compact.cc |
@@ -417,8 +417,6 @@ void MarkCompactCollector::CollectGarbage() { |
SweepSpaces(); |
- if (!FLAG_collect_maps) ReattachInitialMaps(); |
- |
#ifdef DEBUG |
if (FLAG_verify_native_context_separation) { |
VerifyNativeContextSeparation(heap_); |
@@ -2534,23 +2532,6 @@ void MarkCompactCollector::ProcessMapCaches() { |
} |
-void MarkCompactCollector::ReattachInitialMaps() { |
- HeapObjectIterator map_iterator(heap()->map_space()); |
- for (HeapObject* obj = map_iterator.Next(); |
- obj != NULL; |
- obj = map_iterator.Next()) { |
- Map* map = Map::cast(obj); |
- |
- STATIC_ASSERT(LAST_TYPE == LAST_JS_RECEIVER_TYPE); |
- if (map->instance_type() < FIRST_JS_RECEIVER_TYPE) continue; |
- |
- if (map->attached_to_shared_function_info()) { |
- JSFunction::cast(map->constructor())->shared()->AttachInitialMap(map); |
- } |
- } |
-} |
- |
- |
void MarkCompactCollector::ClearNonLiveReferences() { |
// Iterate over the map space, setting map transitions that go from |
// a marked map to an unmarked map to null transitions. This action |
@@ -2564,13 +2545,6 @@ void MarkCompactCollector::ClearNonLiveReferences() { |
if (!map->CanTransition()) continue; |
MarkBit map_mark = Marking::MarkBitFrom(map); |
- if (map_mark.Get() && map->attached_to_shared_function_info()) { |
- // This map is used for inobject slack tracking and has been detached |
- // from SharedFunctionInfo during the mark phase. |
- // Since it survived the GC, reattach it now. |
- JSFunction::cast(map->constructor())->shared()->AttachInitialMap(map); |
- } |
- |
ClearNonLivePrototypeTransitions(map); |
ClearNonLiveMapTransitions(map, map_mark); |