1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGenCXX/microsoft-abi-vmemptr-fastcall.cpp b/test/CodeGenCXX/microsoft-abi-vmemptr-fastcall.cpp
new file mode 100644
index 0000000..6d42b85
--- /dev/null
+++ b/test/CodeGenCXX/microsoft-abi-vmemptr-fastcall.cpp
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -fms-extensions -triple i686-pc-windows-msvc %s -emit-llvm-only -verify
+
+// We reject this because LLVM doesn't forward the second regparm through the
+// thunk.
+
+struct A {
+  virtual void __fastcall f(int a, int b); // expected-error {{cannot compile this pointer to fastcall virtual member function yet}}
+};
+void (__fastcall A::*doit())(int, int) {
+  return &A::f;
+}