commit 753aee4dcf0868130789b5af7c1eeb6ab2ab24f9
author verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Tue Jul 17 16:15:42 2012 +0000
committer verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Tue Jul 17 16:15:42 2012 +0000
tree 042abcdd9585757d0eb037a4db0c9da750921882
parent 28583c92ca8f528df625800519088ac88996d504

Version 3.12.13

Fixed missing tagging of stack value in finally block. (Chromium issue 137496)

Added more support for heap analysis.

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@12110 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-inl.h

diff --git a/src/objects-inl.h b/src/objects-inl.h
index 23fb213..feca271 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3534,13 +3534,14 @@
 }
 
 
-MaybeObject* Map::AddTransition(String* key, Object* value) {
-  if (HasTransitionArray()) return transitions()->CopyInsert(key, value);
-  return TransitionArray::NewWith(key, value);
+MaybeObject* Map::AddTransition(String* key, Map* target) {
+  if (HasTransitionArray()) return transitions()->CopyInsert(key, target);
+  return TransitionArray::NewWith(key, target);
 }
 
-void Map::SetTransition(int transition_index, Object* value) {
-  transitions()->SetValue(transition_index, value);
+
+void Map::SetTransition(int transition_index, Map* target) {
+  transitions()->SetTarget(transition_index, target);
 }
 
 
@@ -3652,12 +3653,12 @@
   ASSERT((value->IsUndefined() && GetBackPointer()->IsMap()) ||
          (value->IsMap() && GetBackPointer()->IsUndefined()));
   Object* object = READ_FIELD(this, kInstanceDescriptorsOrBackPointerOffset);
-  if (object->IsMap()) {
+  if (object->IsDescriptorArray()) {
+    DescriptorArray::cast(object)->set_back_pointer_storage(value);
+  } else {
     WRITE_FIELD(this, kInstanceDescriptorsOrBackPointerOffset, value);
     CONDITIONAL_WRITE_BARRIER(
         GetHeap(), this, kInstanceDescriptorsOrBackPointerOffset, value, mode);
-  } else {
-    DescriptorArray::cast(object)->set_back_pointer_storage(value);
   }
 }
 
@@ -4300,7 +4301,7 @@
       Map* new_map;
       ElementsKind next_kind = GetFastElementsKindFromSequenceIndex(i);
       MaybeObject* maybe_new_map =
-          current_map->CreateNextElementsTransition(next_kind);
+          current_map->CopyAsElementsKind(next_kind, INSERT_TRANSITION);
       if (!maybe_new_map->To(&new_map)) return maybe_new_map;
       maps->set(next_kind, new_map);
       current_map = new_map;