Revision: 18983
Author: [email protected]
Date: Fri Jan 31 11:38:43 2014 UTC
Log: Don't unmark dictionary mode maps as unstable.
[email protected]
BUG=
Review URL: https://codereview.chromium.org/148493007
http://code.google.com/p/v8/source/detail?r=18983
Modified:
/branches/bleeding_edge/src/objects-inl.h
/branches/bleeding_edge/src/objects.cc
=======================================
--- /branches/bleeding_edge/src/objects-inl.h Thu Jan 30 20:05:11 2014 UTC
+++ /branches/bleeding_edge/src/objects-inl.h Fri Jan 31 11:38:43 2014 UTC
@@ -3988,8 +3988,9 @@
void Map::set_dictionary_map(bool value) {
- if (value) mark_unstable();
- set_bit_field3(DictionaryMap::update(bit_field3(), value));
+ uint32_t new_bit_field3 = DictionaryMap::update(bit_field3(), value);
+ new_bit_field3 = IsUnstable::update(new_bit_field3, value);
+ set_bit_field3(new_bit_field3);
}
=======================================
--- /branches/bleeding_edge/src/objects.cc Fri Jan 31 09:07:30 2014 UTC
+++ /branches/bleeding_edge/src/objects.cc Fri Jan 31 11:38:43 2014 UTC
@@ -6682,7 +6682,9 @@
new_bit_field3 = EnumLengthBits::update(new_bit_field3,
kInvalidEnumCacheSentinel);
new_bit_field3 = Deprecated::update(new_bit_field3, false);
- new_bit_field3 = IsUnstable::update(new_bit_field3, false);
+ if (!is_dictionary_map()) {
+ new_bit_field3 = IsUnstable::update(new_bit_field3, false);
+ }
result->set_bit_field3(new_bit_field3);
return result;
}
--
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