diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 2dbd4e8..d108c5b 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -157,6 +157,7 @@
   StackPointerRegisterToSaveRestore = 0;
   ExceptionPointerRegister = 0;
   ExceptionSelectorRegister = 0;
+  SetCCResultContents = UndefinedSetCCResult;
   SchedPreferenceInfo = SchedulingForLatency;
   JumpBufSize = 0;
   JumpBufAlignment = 0;