Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/template/pr55843.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
template< typename T > struct type_wrapper { }; typedef char (&yes_tag)[2]; template<bool b> struct if_c { }; template< typename T > struct has_type { struct gcc_3_2_wknd { template< typename U > static yes_tag test( type_wrapper<U> const volatile* // { dg-message "" } , type_wrapper<typename U::type>* = 0 ); }; typedef type_wrapper<T> t_; static const bool value = sizeof(gcc_3_2_wknd::test(static_cast<t_*>(0))) == // { dg-message "" } sizeof(yes_tag); }; template <class K, class T, class=void> struct Get_type { }; struct FT_tag {}; struct RT_tag {}; template <class K> struct Get_type<K, RT_tag, typename if_c< !has_type<Get_type<K, FT_tag> >::value >::type> { }; // { dg-message "required" } template <class K> struct Get_type<K, FT_tag, typename if_c< !has_type<Get_type<K, RT_tag> >::value >::type> { }; // { dg-message "required" } typedef Get_type<int, FT_tag>::type P; // { dg-message "" }