clang/test/SemaCXX/PR40395.cpp

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