32 lines
1.4 KiB
C++
32 lines
1.4 KiB
C++
// RUN: %clang_cc1 -std=c++17 %s -verify
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// RUN: %clang_cc1 -std=c++14 %s -verify
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// RUN: %clang_cc1 -std=c++11 %s -verify
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auto XL0 = [] constexpr { }; //expected-error{{requires '()'}} expected-error{{expected body}}
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auto XL1 = [] () mutable
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mutable //expected-error{{cannot appear multiple times}}
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mutable { }; //expected-error{{cannot appear multiple times}}
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#if __cplusplus > 201402L
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auto XL2 = [] () constexpr mutable constexpr { }; //expected-error{{cannot appear multiple times}}
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auto L = []() mutable constexpr { };
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auto L2 = []() constexpr { };
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auto L4 = []() constexpr mutable { };
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auto XL16 = [] () constexpr
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mutable
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constexpr //expected-error{{cannot appear multiple times}}
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mutable //expected-error{{cannot appear multiple times}}
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mutable //expected-error{{cannot appear multiple times}}
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constexpr //expected-error{{cannot appear multiple times}}
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constexpr //expected-error{{cannot appear multiple times}}
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{ };
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#else
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auto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++17 extension}}
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auto L2 = []() constexpr { return 0;};//expected-warning{{is a C++17 extension}}
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auto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++17 extension}}
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#endif
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