1291af2b7SDouglas Gregor // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify 2*d699da42SRichard Smith // RUN: %clang_cc1 -fsyntax-only -std=c++14 %s -verify 3*d699da42SRichard Smith // RUN: %clang_cc1 -fsyntax-only -std=c++17 %s -verify 4291af2b7SDouglas Gregor 5291af2b7SDouglas Gregor void test_nonaggregate(int i) { 680f57f68SRichard Smith auto lambda = [i]() -> void {}; // expected-note 2{{candidate constructor}} 7291af2b7SDouglas Gregor decltype(lambda) foo = { 1 }; // expected-error{{no matching constructor}} 8*d699da42SRichard Smith static_assert(__is_literal(decltype(lambda)) == (__cplusplus >= 201703L), ""); 9640775b4SRichard Smith 1080f57f68SRichard Smith auto lambda2 = []{}; // expected-note 2{{candidate constructor}} 1180f57f68SRichard Smith decltype(lambda2) bar = {}; // expected-error{{no matching constructor}} 12*d699da42SRichard Smith static_assert(__is_literal(decltype(lambda2)) == (__cplusplus >= 201703L), ""); 13291af2b7SDouglas Gregor } 14*d699da42SRichard Smith 15*d699da42SRichard Smith constexpr auto literal = []{}; 16*d699da42SRichard Smith #if __cplusplus < 201703L 17*d699da42SRichard Smith // expected-error@-2 {{constexpr variable cannot have non-literal type}} 18*d699da42SRichard Smith // expected-note@-3 {{lambda closure types are non-literal types before C++17}} 19*d699da42SRichard Smith #endif 20