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[PATCH] Define std::remove_cvref and std::remove_cvref_t for C++2a

From: Jonathan Wakely <jwakely at redhat dot com>
To: libstdc++ at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Thu, 3 May 2018 12:59:42 +0100
Subject: [PATCH] Define std::remove_cvref and std::remove_cvref_t for C++2a

Also define __remove_cvref_t for internal use before C++2a.

	* include/std/any (any_cast): Use __remove_cvref_t.
	* include/std/tuple (__make_tuple): Likewise.
	* include/std/type_traits (__remove_cvref_t): Define.
	(__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
	[__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
	* include/std/variant (__erased_hash): Use __remove_cvref_t.

Tested powerpc64le-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

Follow-Ups:
- Re: [PATCH] Define std::remove_cvref and std::remove_cvref_t for C++2a
  - From: Jonathan Wakely

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