Fix some scary bugs that VC++ detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/TopDownClosure.cpp b/lib/Analysis/DataStructure/TopDownClosure.cpp
index 8c0db6d..85c83a1 100644
--- a/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -304,7 +304,7 @@
     return;
   }
 
-  if (Function *F = dyn_cast<Function>(F)) {
+  if (Function *F = dyn_cast<Function>(V)) {
     assert(getDSGraph(*F).getReturnNodes().size() == 1 &&
            "cannot handle scc's");
     delete DSInfo[F];