From dcdc0faf59103c335bda246e3cddbc4cbd6ba83d Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Wed, 27 Mar 2013 18:44:56 +0000 Subject: Avoid undefined behavior from passing a std::vector's own contents in as an argument to push_back. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178166 91177308-0d34-0410-b5e6-96231b3b80d8 --- utils/TableGen/CodeGenSchedule.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'utils/TableGen') diff --git a/utils/TableGen/CodeGenSchedule.cpp b/utils/TableGen/CodeGenSchedule.cpp index 818fce2..886c4c6 100644 --- a/utils/TableGen/CodeGenSchedule.cpp +++ b/utils/TableGen/CodeGenSchedule.cpp @@ -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); } } } -- cgit v1.1