Change the default to 0, which means 'default'.

llvm-svn: 30114
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 92354cd..10c3a04 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -41,7 +41,7 @@
   Pow2DivIsCheap = false;
   StackPointerRegisterToSaveRestore = 0;
   SchedPreferenceInfo = SchedulingForLatency;
-  JumpBufSize = 200;
+  JumpBufSize = 0;
   JumpBufAlignment = 0;
 }