diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index 347d8c7..25dda0a 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -256,7 +256,8 @@
 MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
 : ImmutablePass(ID), Context(MAI),
   ObjFileMMI(0),
-  CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false){
+  CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false),
+  CallsExternalFunctionWithFloatingPointArguments(false) {
   // Always emit some info, by default "no personality" info.
   Personalities.push_back(NULL);
   AddrLabelSymbols = 0;