[MS ABI] Function encodings are always encoded in template arguments
llvm-svn: 237547
diff --git a/clang/test/CodeGenCXX/mangle-ms.cpp b/clang/test/CodeGenCXX/mangle-ms.cpp
index 662278b..ed2172b 100644
--- a/clang/test/CodeGenCXX/mangle-ms.cpp
+++ b/clang/test/CodeGenCXX/mangle-ms.cpp
@@ -380,3 +380,9 @@
void __vectorcall vector_func() { }
// CHECK-DAG: @"\01?vector_func@@YQXXZ"
+
+template <void (*)(void)>
+void fn_tmpl() {}
+
+template void fn_tmpl<extern_c_func>();
+// CHECK-DAG: @"\01??$fn_tmpl@$1?extern_c_func@@YAXXZ@@YAXXZ"