1*b65b1f32SSaar Raz // RUN: %clang_cc1 -std=c++2a -fconcepts-ts -verify %s 2*b65b1f32SSaar Raz 3*b65b1f32SSaar Raz auto l1 = [] (auto x) requires (sizeof(decltype(x)) == 1) { return x; }; 4*b65b1f32SSaar Raz // expected-note@-1{{candidate template ignored: constraints not satisfied [with $0 = int]}} 5*b65b1f32SSaar Raz // expected-note@-2{{because 'sizeof(decltype(x)) == 1' (4 == 1) evaluated to false}} 6*b65b1f32SSaar Raz 7*b65b1f32SSaar Raz auto l1t1 = l1('a'); 8*b65b1f32SSaar Raz auto l1t2 = l1(1); 9*b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 10*b65b1f32SSaar Raz 11*b65b1f32SSaar Raz auto l2 = [] (auto... x) requires ((sizeof(decltype(x)) >= 2) && ...) { return (x + ...); }; 12*b65b1f32SSaar Raz // expected-note@-1{{candidate template ignored: constraints not satisfied [with $0 = <char>]}} 13*b65b1f32SSaar Raz // expected-note@-2{{candidate template ignored: constraints not satisfied [with $0 = <int, char>]}} 14*b65b1f32SSaar Raz // expected-note@-3 2{{because 'sizeof(decltype(x)) >= 2' (1 >= 2) evaluated to false}} 15*b65b1f32SSaar Raz 16*b65b1f32SSaar Raz auto l2t1 = l2('a'); 17*b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 18*b65b1f32SSaar Raz auto l2t2 = l2(1, 'a'); 19*b65b1f32SSaar Raz // expected-error@-1{{no matching function for call to object of type '(lambda at}} 20*b65b1f32SSaar Raz auto l2t3 = l2((short)1, (short)1);