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During the ISO C++ Committee meeting plenary session the C++23 Standard has been voted as technical complete. This updates the reference to c++2b to c++23 and updates the __cplusplus macro. Drive-by fixes c++1z -> c++17 and c++2a -> c++20 when seen. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D149553
35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
// RUN: %clang_cc1 -std=c++23 %s -verify
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// RUN: %clang_cc1 -std=c++20 %s -verify
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auto L0 = []<> { }; //expected-error {{cannot be empty}}
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auto L1 = []<typename T1, typename T2> { };
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auto L2 = []<typename T1, typename T2>(T1 arg1, T2 arg2) -> T1 { };
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auto L3 = []<typename T>(auto arg) { T t; };
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auto L4 = []<int I>() { };
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// http://llvm.org/PR49736
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auto L5 = []<auto>(){};
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auto L6 = []<auto>{};
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auto L7 = []<auto>() noexcept {};
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auto L8 = []<auto> noexcept {};
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#if __cplusplus <= 202002L
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// expected-warning@-2 {{lambda without a parameter clause is a C++23 extension}}
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#endif
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auto L9 = []<auto> requires true {};
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auto L10 = []<auto> requires true(){};
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auto L11 = []<auto> requires true() noexcept {};
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auto L12 = []<auto> requires true noexcept {};
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#if __cplusplus <= 202002L
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// expected-warning@-2 {{is a C++23 extension}}
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#endif
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auto L13 = []<auto>() noexcept requires true {};
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auto L14 = []<auto> requires true() noexcept requires true {};
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auto XL0 = []<auto> noexcept requires true {}; // expected-error {{expected body of lambda expression}}
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auto XL1 = []<auto> requires true noexcept requires true {}; // expected-error {{expected body}}
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#if __cplusplus <= 202002L
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// expected-warning@-3 {{is a C++23 extension}}
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// expected-warning@-3 {{is a C++23 extension}}
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#endif
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