Revert last patch, but add a fixme


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index a4ba196..40c2b65 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1687,7 +1687,9 @@
         RVal V = GetRVal(St, Ex);
 
         // Perform promotions.
-        V = EvalCast(V, U->getType()); 
+        // FIXME: This is the right thing to do, but it currently breaks
+        //  a bunch of tests.
+        // V = EvalCast(V, U->getType()); 
         
         if (V.isUnknownOrUndef()) {
           MakeNode(Dst, U, *I, SetRVal(St, U, V));