Correctly mangle variadic functions that don't have any other parameters.

llvm-svn: 105311
diff --git a/clang/test/CodeGenCXX/mangle.cpp b/clang/test/CodeGenCXX/mangle.cpp
index 8f3d356..9d153b5 100644
--- a/clang/test/CodeGenCXX/mangle.cpp
+++ b/clang/test/CodeGenCXX/mangle.cpp
@@ -477,3 +477,15 @@
   // CHECK: define weak_odr void @_ZN6test101fILc3EEEvNS_1SIXquLb0ELc97ET_EEE(
   template void f<(char) 3>(struct S<3>);
 }
+
+namespace test11 {
+  // CHECK: @_ZN6test111fEz
+  void f(...) { }
+
+  struct A {
+    void f(...);
+  };
+  
+  // CHECK: @_ZN6test111A1fEz
+  void A::f(...) { }
+}