1 files changed, 2 insertions, 1 deletions
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 1402033d41..19aeaafc72 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -21,7 +21,8 @@
 using namespace llvm;
 
 MCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), EmitEHFrame(true),
-                                         EmitDebugFrame(false) {
+                                         EmitDebugFrame(false),
+                                         CurrentW64UnwindInfo(0) {
   const MCSection *section = NULL;
   SectionStack.push_back(std::make_pair(section, section));
 }