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Bug 1067344 - content process crash in nsXPCWrappedJS::CanSkip(), r=mccr8

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--HG--
extra : rebase_source : 687813170d30e3763de9917bccdb4c58df576d61
This commit is contained in:
Olli Pettay 2014-09-15 19:26:20 +03:00
parent 079a589e19
commit ab178de936
1 changed files with 4 additions and 1 deletions
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5
js/xpconnect/src/XPCWrappedJS.cpp
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@ -70,8 +70,11 @@ nsXPCWrappedJS::CanSkip()
// For non-root wrappers, check if the root wrapper will be
// added to the CC graph.
if (!IsRootWrapper())
if (!IsRootWrapper()) {
// mRoot points to null after unlinking.
NS_ENSURE_TRUE(mRoot, false);
return mRoot->CanSkip();
}
// For the root wrapper, check if there is an aggregated
// native object that will be added to the CC graph.