| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 |
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| 10 | |
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| 11 | // [utility.underlying], to_underlying |
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| 12 | // template <class T> |
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| 13 | // constexpr underlying_type_t<T> to_underlying( T value ) noexcept; // C++23 |
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| 14 | |
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| 15 | #include <utility> |
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| 16 | |
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| 17 | struct S {}; |
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| 18 | |
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| 19 | void f() { |
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| 20 | std::to_underlying(125); // expected-error {{no matching function for call}} |
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| 21 | std::to_underlying(S{}); // expected-error {{no matching function for call}} |
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| 22 | } |
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| 23 | |
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