mass elimination of reliance on automatic iterator dereferencing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 3c67a34..9f285ec 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2588,7 +2588,7 @@
   // Push the def-use children onto the Worklist stack.
   for (Value::use_iterator UI = I->use_begin(), UE = I->use_end();
        UI != UE; ++UI)
-    Worklist.push_back(cast<Instruction>(UI));
+    Worklist.push_back(cast<Instruction>(*UI));
 }
 
 /// ForgetSymbolicValue - This looks up computed SCEV values for all