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Bug 1236546 - Don't deoptimize in ObjectGroup::defaultNewGroup when we have a null proto. r=bhackett

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This commit is contained in:
Jan de Mooij 2016-01-07 14:01:52 +01:00
parent 47264e727b
commit 90a0ee9a39
1 changed files with 1 additions and 1 deletions
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2
js/src/vm/ObjectGroup.cpp
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@ -538,7 +538,7 @@ ObjectGroup::defaultNewGroup(ExclusiveContext* cx, const Class* clasp,
}
ObjectGroupFlags initialFlags = 0;
if (!proto.isObject() || proto.toObject()->isNewGroupUnknown())
if (proto.isLazy() || (proto.isObject() && proto.toObject()->isNewGroupUnknown()))
initialFlags = OBJECT_FLAG_DYNAMIC_MASK;
Rooted<TaggedProto> protoRoot(cx, proto);