1*67e74705SXin Li // RUN: %clang_cc1 -std=c++1z %s -verify 2*67e74705SXin Li // RUN: %clang_cc1 -std=c++14 %s -verify 3*67e74705SXin Li // RUN: %clang_cc1 -std=c++11 %s -verify 4*67e74705SXin Li 5*67e74705SXin Li 6*67e74705SXin Li auto XL0 = [] constexpr { }; //expected-error{{requires '()'}} expected-error{{expected body}} 7*67e74705SXin Li auto XL1 = [] () mutable 8*67e74705SXin Li mutable //expected-error{{cannot appear multiple times}} __anonbb5ceda90102() 9*67e74705SXin Li mutable { }; //expected-error{{cannot appear multiple times}} 10*67e74705SXin Li 11*67e74705SXin Li #if __cplusplus > 201402L __anonbb5ceda90202() 12*67e74705SXin Liauto XL2 = [] () constexpr mutable constexpr { }; //expected-error{{cannot appear multiple times}} __anonbb5ceda90302() 13*67e74705SXin Liauto L = []() mutable constexpr { }; __anonbb5ceda90402() 14*67e74705SXin Liauto L2 = []() constexpr { }; __anonbb5ceda90502() 15*67e74705SXin Liauto L4 = []() constexpr mutable { }; 16*67e74705SXin Li auto XL16 = [] () constexpr 17*67e74705SXin Li mutable 18*67e74705SXin Li constexpr //expected-error{{cannot appear multiple times}} 19*67e74705SXin Li mutable //expected-error{{cannot appear multiple times}} 20*67e74705SXin Li mutable //expected-error{{cannot appear multiple times}} 21*67e74705SXin Li constexpr //expected-error{{cannot appear multiple times}} 22*67e74705SXin Li constexpr //expected-error{{cannot appear multiple times}} __anonbb5ceda90602() 23*67e74705SXin Li { }; 24*67e74705SXin Li 25*67e74705SXin Li #else __anonbb5ceda90702() 26*67e74705SXin Liauto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++1z extension}} __anonbb5ceda90802() 27*67e74705SXin Liauto L2 = []() constexpr { return 0;};//expected-warning{{is a C++1z extension}} __anonbb5ceda90902() 28*67e74705SXin Liauto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++1z extension}} 29*67e74705SXin Li #endif 30*67e74705SXin Li 31*67e74705SXin Li 32