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comparison gcc/testsuite/g++.dg/concepts/req5.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 // { dg-options "-std=c++17 -fconcepts" }
2
3 struct fool { };
4
5 constexpr fool operator&&(fool, fool) { return {}; }
6 constexpr fool operator||(fool, fool) { return {}; }
7
8 template<typename T> constexpr fool p1() { return {}; }
9 template<typename T> constexpr fool p2() { return {}; }
10
11 template<typename T>
12 concept bool C() { return p1<T>() && p2<T>(); }
13
14 template<C T> void f(T x) { }
15
16 int main() {
17 f(0); // { dg-error "cannot call|uses overloaded operator" }
18 }