1// RUN: %clang_cc1 -std=c++1z %s -verify 2// RUN: %clang_cc1 -std=c++14 %s -verify 3// RUN: %clang_cc1 -std=c++11 %s -verify 4 5 6auto XL0 = [] constexpr { }; //expected-error{{requires '()'}} expected-error{{expected body}} 7auto XL1 = [] () mutable 8 mutable //expected-error{{cannot appear multiple times}} 9 mutable { }; //expected-error{{cannot appear multiple times}} 10 11#if __cplusplus > 201402L 12auto XL2 = [] () constexpr mutable constexpr { }; //expected-error{{cannot appear multiple times}} 13auto L = []() mutable constexpr { }; 14auto L2 = []() constexpr { }; 15auto L4 = []() constexpr mutable { }; 16auto XL16 = [] () constexpr 17 mutable 18 constexpr //expected-error{{cannot appear multiple times}} 19 mutable //expected-error{{cannot appear multiple times}} 20 mutable //expected-error{{cannot appear multiple times}} 21 constexpr //expected-error{{cannot appear multiple times}} 22 constexpr //expected-error{{cannot appear multiple times}} 23 { }; 24 25#else 26auto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++1z extension}} 27auto L2 = []() constexpr { return 0;};//expected-warning{{is a C++1z extension}} 28auto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++1z extension}} 29#endif 30 31 32