commit 51c81685a89565a01b3decbc7156b288bb80858a
author Dan Gohman <gohman@apple.com> Wed Dec 21 21:43:50 2011 +0000
committer Dan Gohman <gohman@apple.com> Wed Dec 21 21:43:50 2011 +0000
tree 980c64258838a671a64d5958c274f0e1ee985f46
parent b952354d5809a17efcf6dc48f032dcb1ac734d4f

Fix a copy+pasto. No testcase, because the symptoms of dereferencing
an invalid iterator aren't reproducible.  rdar://10614085.

llvm-svn: 147098

llvm/lib/Transforms/Scalar/ObjCARC.cpp

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 8e9449f..b017ba1 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2504,7 +2504,7 @@
         Pred = *PI++;
         if (Pred != BB) {
           I = BBStates.find(Pred);
-          if (I == BBStates.end() || I->second.isVisitedTopDown())
+          if (I != BBStates.end() && I->second.isVisitedTopDown())
             MyStates.MergePred(I->second);
         }
       }