Unbreak the MSVC 2010 build.

For further information on this particular issue see: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair

llvm-svn: 129642

lib/CodeGen/SplitKit.cpp

@@ -816,7 +816,8 @@ bool SplitEditor::transferValues() {
           else {
             // Live-out, but we need updateSSA to tell us the value.
             LiveOutSeen.set(MBB->getNumber());
-            LiveOutCache[MBB] = LiveOutPair(0, 0);
+            LiveOutCache[MBB] = LiveOutPair((VNInfo*)0,
+                                            (MachineDomTreeNode*)0);
           }
         }
         BlockStart = BlockEnd;