Don't leave pointers uninitialized in the default constructor. GCC complains

about the potential use of these uninitialized members under certain conditions.

llvm-svn: 91239

llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp

@@ -102,7 +102,7 @@ namespace {
   public:
     typedef std::vector<Value *> ValVector;
     
-    RenamePassData() {}
+    RenamePassData() : BB(NULL), Pred(NULL), Values() {}
     RenamePassData(BasicBlock *B, BasicBlock *P,
                    const ValVector &V) : BB(B), Pred(P), Values(V) {}
     BasicBlock *BB;