MS: Mangle rvalue references and nullptr_t, and produce back-references when
appropriate. Patch by João Matos!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158895 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/mangle-ms.cpp b/test/CodeGenCXX/mangle-ms.cpp
index cf4055f..326a848 100644
--- a/test/CodeGenCXX/mangle-ms.cpp
+++ b/test/CodeGenCXX/mangle-ms.cpp
@@ -132,3 +132,12 @@
 RGB color1;
 extern const RGB color2 = {};
 extern RGB const ((color3)[5]) = {};
+
+// PR12603
+enum E {};
+// CHECK: "\01?fooE@@YA?AW4E@@XZ"
+E fooE() { return E(); }
+
+class X {};
+// CHECK: "\01?fooX@@YA?AVX@@XZ"
+X fooX() { return X(); }