diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index f93f27c..5fe59d4 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -1630,6 +1630,7 @@
 , Personalities()
 , CallsEHReturn(0)
 , CallsUnwindInit(0)
+, DbgInfoAvailable(false)
 {
   // Always emit "no personality" info
   Personalities.push_back(NULL);