// { dg-additional-options -fmodule-header } | |
// { dg-module-cmi {} } | |
template<template<typename> class _TQual> | |
struct basic_common_reference; | |
template<typename _Tp> | |
struct __xref; | |
template<typename _Tp1> | |
using __basic_common_ref | |
= typename basic_common_reference<__xref<_Tp1>::template __type>::type; |