diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index b947b78..df52368 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -212,7 +212,8 @@
 //
 
 TargetMachine::TargetMachine(const Target &T) 
-  : TheTarget(T), AsmInfo(0) {
+  : TheTarget(T), AsmInfo(0),
+    MCRelaxAll(false) {
   // Typically it will be subtargets that will adjust FloatABIType from Default
   // to Soft or Hard.
   if (UseSoftFloat)