Fix LoopInterchange/reductions.ll test for debug builds

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235734 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopInterchange.cpp b/lib/Transforms/Scalar/LoopInterchange.cpp
index 7559678607202798140b5cf949a348bf458139bd..f584018299d17d487a67961c32aac199591dd24b 100644 (file)
--- a/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -1012,8 +1012,8 @@ void LoopInterchangeTransform::restructureLoops(Loop *InnerLoop,
     LI->changeTopLevelLoop(OuterLoop, InnerLoop);
   }
 
-  for (Loop::iterator I = InnerLoop->begin(), E = InnerLoop->end(); I != E; ++I)
-    OuterLoop->addChildLoop(InnerLoop->removeChildLoop(I));
+  while (!InnerLoop->empty())
+    OuterLoop->addChildLoop(InnerLoop->removeChildLoop(InnerLoop->begin()));
 
   InnerLoop->addChildLoop(OuterLoop);
 }