Version 3.15.8
Enforced stack allocation of TryCatch blocks. (issue 2166,chromium:152389)
Fixed external exceptions in external try-catch handlers. (issue 2166)
Activated incremental code flushing by default.
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@13133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/heap.cc b/src/heap.cc
index ff791d8..dac28f3 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -1338,7 +1338,8 @@
new_space_front = DoScavenge(&scavenge_visitor, new_space_front);
- while (IterateObjectGroups(&scavenge_visitor)) {
+ while (isolate()->global_handles()->IterateObjectGroups(
+ &scavenge_visitor, &IsUnscavengedHeapObject)) {
new_space_front = DoScavenge(&scavenge_visitor, new_space_front);
}
isolate()->global_handles()->RemoveObjectGroups();
@@ -1383,51 +1384,6 @@
}
-// TODO(mstarzinger): Unify this method with
-// MarkCompactCollector::MarkObjectGroups().
-bool Heap::IterateObjectGroups(ObjectVisitor* scavenge_visitor) {
- List<ObjectGroup*>* object_groups =
- isolate()->global_handles()->object_groups();
-
- int last = 0;
- bool changed = false;
- for (int i = 0; i < object_groups->length(); i++) {
- ObjectGroup* entry = object_groups->at(i);
- ASSERT(entry != NULL);
-
- Object*** objects = entry->objects_;
- bool group_marked = false;
- for (size_t j = 0; j < entry->length_; j++) {
- Object* object = *objects[j];
- if (object->IsHeapObject()) {
- if (!IsUnscavengedHeapObject(this, &object)) {
- group_marked = true;
- break;
- }
- }
- }
-
- if (!group_marked) {
- (*object_groups)[last++] = entry;
- continue;
- }
-
- for (size_t j = 0; j < entry->length_; ++j) {
- Object* object = *objects[j];
- if (object->IsHeapObject()) {
- scavenge_visitor->VisitPointer(&object);
- changed = true;
- }
- }
-
- entry->Dispose();
- object_groups->at(i) = NULL;
- }
- object_groups->Rewind(last);
- return changed;
-}
-
-
String* Heap::UpdateNewSpaceReferenceInExternalStringTableEntry(Heap* heap,
Object** p) {
MapWord first_word = HeapObject::cast(*p)->map_word();