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 6 auto XL0 = [] constexpr { }; //expected-error{{requires '()'}} expected-error{{expected body}} 7 auto XL1 = [] () mutable 8 mutable //expected-error{{cannot appear multiple times}} 9 mutable { }; //expected-error{{cannot appear multiple times}} 10 11 #if __cplusplus > 201402L 12 auto XL2 = [] () constexpr mutable constexpr { }; //expected-error{{cannot appear multiple times}} 13 auto L = []() mutable constexpr { }; 14 auto L2 = []() constexpr { }; 15 auto L4 = []() constexpr mutable { }; 16 auto 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 26 auto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++1z extension}} 27 auto L2 = []() constexpr { return 0;};//expected-warning{{is a C++1z extension}} 28 auto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++1z extension}} 29 #endif 30 31 32
