1 files changed, 1 insertions, 1 deletions
diff --git a/include/llvm/Transforms/Utils/ValueMapper.h b/include/llvm/Transforms/Utils/ValueMapper.h
index 5274112897..dd320a3fb4 100644
--- a/include/llvm/Transforms/Utils/ValueMapper.h
+++ b/include/llvm/Transforms/Utils/ValueMapper.h
@@ -20,7 +20,7 @@
 namespace llvm {
   class Value;
   class Instruction;
-  typedef ValueMap<const Value *, Value *> ValueToValueMapTy;
+  typedef ValueMap<const Value *, TrackingVH<Value> > ValueToValueMapTy;
 
   Value *MapValue(const Value *V, ValueToValueMapTy &VM,
                   bool ModuleLevelChanges);