Merge from mainline for PR1693.

llvm-svn: 42201

llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -157,6 +157,7 @@ TargetLowering::TargetLowering(TargetMachine &tm)
   StackPointerRegisterToSaveRestore = 0;
   ExceptionPointerRegister = 0;
   ExceptionSelectorRegister = 0;
+  SetCCResultContents = UndefinedSetCCResult;
   SchedPreferenceInfo = SchedulingForLatency;
   JumpBufSize = 0;
   JumpBufAlignment = 0;