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Avoid undefined behavior from passing a std::vector's own contents

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in as an argument to push_back.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178166 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2013-03-27 18:44:56 +00:00
parent e77918c355
commit dcdc0faf59
1 changed files with 3 additions and 1 deletions
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4
utils/TableGen/CodeGenSchedule.cpp
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@ -1105,7 +1105,9 @@ void PredTransitions::getIntersectingVariants(
// Push another copy of the current transition for more variants.
Variant.TransVecIdx = TransVec.size();
IntersectingVariants.push_back(Variant);
TransVec.push_back(TransVec[TransIdx]);
PredTransition Trans = TransVec[TransIdx];
TransVec.push_back(Trans);
}
}
}