initialize new flag


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23480 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 3c2a09c..c4ccbf5 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -29,6 +29,7 @@
   memset(RegClassForVT, 0,MVT::LAST_VALUETYPE*sizeof(TargetRegisterClass*));
   maxStoresPerMemSet = maxStoresPerMemCpy = maxStoresPerMemMove = 8;
   allowUnalignedMemoryAccesses = false;
+  UseUnderscoreSetJmpLongJmp = false;
 }
 
 TargetLowering::~TargetLowering() {}