Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/friend2.C @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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// { dg-options "-std=c++17 -fconcepts" } template<typename T> concept bool Eq() { return requires(T t) { t == t; }; } template<Eq T> struct Foo { }; template<typename T> struct S { // { dg-error "constraint failure" } template<Eq U> friend class Bar; friend class Foo<T>; }; struct X { }; int main() { S<int> si; // OK S<X> sx; }