initialize an instance var, apparently I forgot to commit this long ago


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25609 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 1128f74..8f177c9 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -32,6 +32,7 @@
   UseUnderscoreSetJmpLongJmp = false;
   IntDivIsCheap = false;
   Pow2DivIsCheap = false;
+  StackPointerRegisterToSaveRestore = 0;
   SchedPreferenceInfo = SchedulingForLatency;
 }