Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/concepts-pr65854.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
// PR c++/65854 // { dg-do compile { target c++2a } } // Handle alias templates in type requirements. template<typename T1, typename T2> struct BTT { }; template<typename T> struct BTT<T,T> { using type = int; }; template<typename T1, typename T2> using Alias1 = typename BTT<T1, T2>::type; template<typename T1, typename T2> concept C = requires() { typename Alias1<T1, T2>; }; // { dg-message "in requirements" } template<typename T1, typename T2> requires C<T1, T2> int f(); auto i = f<char, int>(); // { dg-error "" }