1*67c608a9SSaar Raz // RUN: %clang_cc1 -std=c++2a -verify %s 2b65b1f32SSaar Raz 3b65b1f32SSaar Raz auto l1 = [] (auto x) requires (sizeof(decltype(x)) == 1) { return x; }; 4b481f028SSaar Raz // expected-note@-1{{candidate template ignored: constraints not satisfied [with x:auto = int]}} 5b65b1f32SSaar Raz // expected-note@-2{{because 'sizeof(decltype(x)) == 1' (4 == 1) evaluated to false}} 6b65b1f32SSaar Raz 7b65b1f32SSaar Raz auto l1t1 = l1('a'); 8b65b1f32SSaar Raz auto l1t2 = l1(1); 9b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 10b65b1f32SSaar Raz 11b65b1f32SSaar Raz auto l2 = [] (auto... x) requires ((sizeof(decltype(x)) >= 2) && ...) { return (x + ...); }; 12b481f028SSaar Raz // expected-note@-1{{candidate template ignored: constraints not satisfied [with x:auto = <char>]}} 13b481f028SSaar Raz // expected-note@-2{{candidate template ignored: constraints not satisfied [with x:auto = <int, char>]}} 14b65b1f32SSaar Raz // expected-note@-3 2{{because 'sizeof(decltype(x)) >= 2' (1 >= 2) evaluated to false}} 15b65b1f32SSaar Raz 16b65b1f32SSaar Raz auto l2t1 = l2('a'); 17b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 18b65b1f32SSaar Raz auto l2t2 = l2(1, 'a'); 19b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 20b65b1f32SSaar Raz auto l2t3 = l2((short)1, (short)1);