1 // RUN: %clang_cc1 -std=c++17 -fms-extensions -triple=x86_64-pc-win32 -verify %s
2 // expected-no-diagnostics
3 
4 // PR40395 - ConstantExpr shouldn't cause the template object to infinitely
5 // expand.
6 struct _GUID {};
7 struct __declspec(uuid("{AAAAAAAA-AAAA-AAAA-AAAA-AAAAAAAAAAAA}")) B {};
8 
9 template <const _GUID* piid>
10 struct A {
bazA11   virtual void baz() { A<piid>(); }
12 };
13 
f()14 void f() {
15   A<&__uuidof(B)>();
16 }
17