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Sample initialShape after putProperty call, which may go toDictionaryMode (596128, r=bhackett).

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This commit is contained in:
Brendan Eich 2010-09-14 12:07:15 -07:00
parent c401cdd9f8
commit 666763cd97
1 changed files with 8 additions and 0 deletions
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8
js/src/methodjit/PolyIC.cpp
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@ -647,6 +647,14 @@ class SetPropCompiler : public PICStubCompiler
if (!shape)
return false;
/*
* Test after calling putProperty since it can switch obj into
* dictionary mode, specifically if the shape tree ancestor line
* exceeds PropertyTree::MAX_HEIGHT.
*/
if (obj->inDictionaryMode())
return disable("dictionary");
if (!shape->hasDefaultSetter())
return disable("adding non-default setter");
if (!shape->hasSlot())