Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/diagnostic5.C @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// { dg-do compile { target c++2a } } // { dg-additional-options "-fconcepts-diagnostics-depth=2" } template<typename T> concept c1 = requires { typename T::blah; }; // { dg-message "satisfaction of .c1<T>. .with T = char." "" { target *-*-* } .-1 } // { dg-message ".typename T::blah. is invalid" "" { target *-*-* } .-2 } template<typename T> concept c2 = requires (T x) { *x; }; // { dg-message "satisfaction of .c2<T>. .with T = char." "" { target *-*-* } .-1 } // { dg-message "in requirements with .T x. .with T = char." "" { target *-*-* } .-2 } // { dg-message "required expression .* is invalid" "" { target *-*-* } .-3 } template<typename T> concept c3 = __is_same(T, const T) || __is_same(T, int); // { dg-message "satisfaction of .c3<T>. .with T = char." "" { target *-*-* } .-1 } // { dg-message "no operand of the disjunction is satisfied" "" { target *-*-* } .-2 } template<typename T> concept c4 = requires (T x) { requires c2<const T> || c2<volatile T>; }; // { dg-message "satisfaction of .c4<T>. .with T = char." "" { target *-*-* } .-1 } // { dg-message "nested requirement" "" { target *-*-* } .-2 } template<typename T> concept c5 = requires (T x) { { &x } -> c1; }; // { dg-message "satisfaction of .c5<T>. .with T = char." "" { target *-*-* } .-1 } // { dg-message "in requirements with .T x. .with T = char." "" { target *-*-* } .-2 } template<typename T> requires (c1<T> || c2<T>) || (c3<T> || c4<T>) || c5<T> // { dg-message "49: no operand" } // { dg-message ".c1<T>. is unsatisfied because" "" { target *-*-* } .-1 } // { dg-message ".c2<T>. is unsatisfied because" "" { target *-*-* } .-2 } // { dg-message ".c3<T>. is unsatisfied because" "" { target *-*-* } .-3 } // { dg-message ".c4<T>. is unsatisfied because" "" { target *-*-* } .-4 } // { dg-message ".c5<T>. is unsatisfied because" "" { target *-*-* } .-5 } void foo() { } void bar() { foo<char>(); // { dg-error "use of" } }