diff --git a/llvm/lib/Target/CBackend/CBackend.cpp b/llvm/lib/Target/CBackend/CBackend.cpp
index c89fe06..6c555a3 100644
--- a/llvm/lib/Target/CBackend/CBackend.cpp
+++ b/llvm/lib/Target/CBackend/CBackend.cpp
@@ -1755,7 +1755,7 @@
     TAsm = Match->createAsmInfo(Triple);
 #endif
   TAsm = new CBEMCAsmInfo();
-  TCtx = new MCContext(*TAsm);
+  TCtx = new MCContext(*TAsm, NULL);
   Mang = new Mangler(*TCtx, *TD);
 
   // Keep track of which functions are static ctors/dtors so they can have