llvm-project/libcxx/test/std/depr/depr.c.headers/ciso646.compile.pass.cpp
A. Jiang 63eb40eeb1
[libc++] Deprecate and remove meaningless <cxxx> headers (#111615)
This PR deprecates `<ccomplex>`, `<cstdbool>`, `<ctgmath>`, and
`<ciso646>` in C++17 and "removes" them in C++20 by special deprecation
warnings.

`<cstdalign>` is previously missing. This PR also tries to add them, and
then deprecates and "removes" `<cstdalign>`.

Papers:
- https://wg21.link/P0063R3
- https://wg21.link/P0619R4

Closes #99985.

---------

Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
2024-10-30 09:49:26 +08:00

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <ciso646> // removed in C++20, but still provided by libc++ as an extension
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
#include <ciso646>