Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/inherit-ctor1.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
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// { dg-do compile { target c++17_only } } // { dg-options "-fconcepts" } template<typename T> concept bool C = __is_class(T); struct X { }; template<typename T> struct Base { Base(double) requires C<T> { } }; struct Ok1 : Base<X> { using Base<X>::Base; }; struct Err1 : Base<int> { using Base<int>::Base; }; template<typename T> struct Generic : Base<T> { using Base<T>::Base; }; int main() { Ok1 x1(0.0); Err1 x2(0.0); // { dg-error "no matching" } Generic<X> x3(0.0); Generic<int> x4(0.0); // { dg-error "no matching" } }