diff --git a/lib/CodeGen/LiveRangeCalc.cpp b/lib/CodeGen/LiveRangeCalc.cpp
index 21eaa15d012..eedf924388e 100644
--- a/lib/CodeGen/LiveRangeCalc.cpp
+++ b/lib/CodeGen/LiveRangeCalc.cpp
@@ -47,7 +47,7 @@ void LiveRangeCalc::updateLiveIns(VNInfo *OverrideVNI, SlotIndexes *Indexes) {
       // The value is live-through, update LiveOut as well.  Defer the Domtree
       // lookup until it is needed.
       assert(Seen.test(MBB->getNumber()));
-      LiveOut[MBB] = LiveOutPair(VNI, 0);
+      LiveOut[MBB] = LiveOutPair(VNI, (MachineDomTreeNode *)0);
     }
   }
   LiveIn.clear();
diff --git a/lib/CodeGen/LiveRangeCalc.h b/lib/CodeGen/LiveRangeCalc.h
index 55e67bb1445..b8c8585846f 100644
--- a/lib/CodeGen/LiveRangeCalc.h
+++ b/lib/CodeGen/LiveRangeCalc.h
@@ -191,7 +191,7 @@ public:
   /// addLiveInBlock().
   void setLiveOutValue(MachineBasicBlock *MBB, VNInfo *VNI) {
     Seen.set(MBB->getNumber());
-    LiveOut[MBB] = LiveOutPair(VNI, 0);
+    LiveOut[MBB] = LiveOutPair(VNI, (MachineDomTreeNode *)0);
   }
 
   /// addLiveInBlock - Add a block with an unknown live-in value.  This