Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/concepts/generic-fn-err.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/concepts/generic-fn-err.C Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,49 @@ +// { dg-options "-std=c++17 -fconcepts" } + +template<typename T> + concept bool C() { return __is_class(T); } + +template<int N> + concept bool Int() { return true; } + +template<template<typename> class X> + concept bool Template() { return true; } + +struct S { }; + +void f1(Int) { } // { dg-error "" } +void f2(Template) { } // { dg-error "" } + +struct S1 { + void f1(auto x) { } + void f2(C x) { } + + void f3(auto x) { } + void f3(C x) { } +}; + +template<C T> + struct S2 { + void f1(auto x) { } + void f2(C x) { } + + void h1(auto x); + void h2(C x); + + template<C U> + void g(T t, U u) { } + }; + +int main() { + S s; + + S1 s1; + s1.f2(0); // { dg-error "matching" } + + S2<S> s2; + s2.f2(0); // { dg-error "matching" } + s2.h2(0); // { dg-error "matching" } + + s2.g(s, 0); // { dg-error "matching" } + s2.g(0, s); // { dg-error "matching" } +}