r259887 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu May  3 12:40:10 2018
New Revision: 259887

URL: https://gcc.gnu.org/viewcvs?rev=259887&root=gcc&view=rev
Log:
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.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/any
    trunk/libstdc++-v3/include/std/tuple
    trunk/libstdc++-v3/include/std/type_traits
    trunk/libstdc++-v3/include/std/variant