Revision: 19546
Author: [email protected]
Date: Tue Feb 25 15:47:33 2014 UTC
Log: Re-evaluate marking bits of a descriptor array when it gets
replaced.
BUG=340254
[email protected]
Review URL: https://codereview.chromium.org/179733004
http://code.google.com/p/v8/source/detail?r=19546
Modified:
/branches/bleeding_edge/src/objects.cc
=======================================
--- /branches/bleeding_edge/src/objects.cc Tue Feb 25 12:01:34 2014 UTC
+++ /branches/bleeding_edge/src/objects.cc Tue Feb 25 15:47:33 2014 UTC
@@ -2579,6 +2579,7 @@
DescriptorArray* to_replace = instance_descriptors();
Map* current = this;
+ GetHeap()->incremental_marking()->RecordWrites(to_replace);
while (current->instance_descriptors() == to_replace) {
current->SetEnumLength(kInvalidEnumCacheSentinel);
current->set_instance_descriptors(new_descriptors);
@@ -6814,6 +6815,8 @@
Map* map;
// Replace descriptors by new_descriptors in all maps that share it.
+
+ GetHeap()->incremental_marking()->RecordWrites(descriptors);
for (Object* current = GetBackPointer();
!current->IsUndefined();
current = map->GetBackPointer()) {
--
--
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