diff options
Diffstat (limited to 'lib/Transforms/ObjCARC')
| -rw-r--r-- | lib/Transforms/ObjCARC/ObjCARCContract.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/lib/Transforms/ObjCARC/ObjCARCContract.cpp index 1412181766..3da5a0e6d2 100644 --- a/lib/Transforms/ObjCARC/ObjCARCContract.cpp +++ b/lib/Transforms/ObjCARC/ObjCARCContract.cpp @@ -475,8 +475,9 @@ bool ObjCARCContract::runOnFunction(Function &F) { for (unsigned i = 0, e = PHI->getNumIncomingValues(); i != e; ++i) if (PHI->getIncomingBlock(i) == BB) { // Keep the UI iterator valid. - if (&PHI->getOperandUse( - PHINode::getOperandNumForIncomingValue(i)) == &U) + if (UI != UE && + &PHI->getOperandUse( + PHINode::getOperandNumForIncomingValue(i)) == &*UI) ++UI; PHI->setIncomingValue(i, Replacement); } |