diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index b8cefc646a3..92354cd2966 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -41,6 +41,8 @@ TargetLowering::TargetLowering(TargetMachine &tm)
   Pow2DivIsCheap = false;
   StackPointerRegisterToSaveRestore = 0;
   SchedPreferenceInfo = SchedulingForLatency;
+  JumpBufSize = 200;
+  JumpBufAlignment = 0;
 }
 
 TargetLowering::~TargetLowering() {}