diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 341e230..71b84e7 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -91,7 +91,7 @@
   // name mangling (always).
   if (!FD->hasAttr<OverloadableAttr>()) {
     // C functions are not mangled, and "main" is never mangled.
-    if (!Context.getLangOptions().CPlusPlus || FD->isMain())
+    if (!Context.getLangOptions().CPlusPlus || FD->isMain(Context))
       return false;
     
     // No mangling in an "implicit extern C" header.