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ba15d186e5
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
69 lines
3.3 KiB
C++
69 lines
3.3 KiB
C++
// RUN: %clang_cc1 -std=c++23 %s -verify
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auto LL0 = [] {};
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auto LL1 = []() {};
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auto LL2 = []() mutable {};
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auto LL3 = []() constexpr {};
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auto L0 = [] constexpr {};
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auto L1 = [] mutable {};
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auto L2 = [] noexcept {};
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auto L3 = [] constexpr mutable {};
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auto L4 = [] mutable constexpr {};
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auto L5 = [] constexpr mutable noexcept {};
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auto L6 = [s = 1] mutable {};
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auto L7 = [s = 1] constexpr mutable noexcept {};
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auto L8 = [] -> bool { return true; };
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auto L9 = []<typename T> { return true; };
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auto L10 = []<typename T> noexcept { return true; };
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auto L11 = []<typename T> -> bool { return true; };
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auto L12 = [] consteval {};
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auto L13 = []() requires true {}; // expected-error{{non-templated function cannot have a requires clause}}
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auto L14 = []<auto> requires true() requires true {};
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auto L15 = []<auto> requires true noexcept {};
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auto L16 = [] [[maybe_unused]]{};
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auto XL0 = [] mutable constexpr mutable {}; // expected-error{{cannot appear multiple times}}
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auto XL1 = [] constexpr mutable constexpr {}; // expected-error{{cannot appear multiple times}}
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auto XL2 = []) constexpr mutable constexpr {}; // expected-error{{expected body of lambda expression}}
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auto XL3 = []( constexpr mutable constexpr {}; // expected-error{{invalid storage class specifier}} \
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// expected-error{{function parameter cannot be constexpr}} \
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// expected-error{{a type specifier is required}} \
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// expected-error{{expected ')'}} \
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// expected-note{{to match this '('}} \
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// expected-error{{expected body}} \
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// expected-warning{{duplicate 'constexpr'}}
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// http://llvm.org/PR49736
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auto XL4 = [] requires true {}; // expected-error{{expected body}}
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auto XL5 = []<auto> requires true requires true {}; // expected-error{{expected body}}
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auto XL6 = []<auto> requires true noexcept requires true {}; // expected-error{{expected body}}
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auto XL7 = []() static static {}; // expected-error {{cannot appear multiple times}}
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auto XL8 = []() static mutable {}; // expected-error {{cannot be both mutable and static}}
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auto XL9 = []() static consteval {};
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auto XL10 = []() static constexpr {};
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auto XL11 = [] static {};
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auto XL12 = []() static {};
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auto XL13 = []() static extern {}; // expected-error {{expected body of lambda expression}}
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auto XL14 = []() extern {}; // expected-error {{expected body of lambda expression}}
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void static_captures() {
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int x;
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auto SC1 = [&]() static {}; // expected-error {{a static lambda cannot have any captures}}
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auto SC4 = [x]() static {}; // expected-error {{a static lambda cannot have any captures}}
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auto SC2 = [&x]() static {}; // expected-error {{a static lambda cannot have any captures}}
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auto SC3 = [y=x]() static {}; // expected-error {{a static lambda cannot have any captures}}
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auto SC5 = [&y = x]() static {}; // expected-error {{a static lambda cannot have any captures}}
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auto SC6 = [=]() static {}; // expected-error {{a static lambda cannot have any captures}}
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struct X {
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int z;
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void f() {
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[this]() static {}(); // expected-error {{a static lambda cannot have any captures}}
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[*this]() static {}(); // expected-error {{a static lambda cannot have any captures}}
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}
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};
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}
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