Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/inherit-ctor1.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
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" } }