26 lines · cpp
1// RUN: %clang_cc1 -std=c++20 -verify %s2// RUN: %clang_cc1 -std=c++20 -verify %s -DDEPENDENT_OR3 4#ifdef DEPENDENT_OR5// This causes the || below to be a CXXOperatorCallExpr not a BinaryOperator.6struct A {}; bool operator||(A, A);7#endif8 9namespace PR45589 {10 template<typename T> struct X { static constexpr bool value = T::value; }; // expected-error {{cannot be used prior to '::'}}11 struct False { static constexpr bool value = false; };12 struct True { static constexpr bool value = true; };13 14 template<typename T> concept C = true;15 16 template<bool B, typename T> constexpr int test = 0;17 template<bool B, typename T> requires C<T> constexpr int test<B, T> = 1;18 template<bool B, typename T> requires (B && C<T>) || (X<T>::value && C<T>) constexpr int test<B, T> = 2; // expected-note {{instantiation of}} expected-note {{while substituting}}19 static_assert(test<true, False> == 2);20 static_assert(test<true, True> == 2);21 static_assert(test<true, char> == 2); // satisfaction of second term of || not considered22 static_assert(test<false, False> == 1);23 static_assert(test<false, True> == 2); // constraints are partially ordered24 static_assert(test<false, char> == 1); // expected-note {{while}} expected-note {{during}}25}26