r266010 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Sun Nov 11 05:17:03 2018
New Revision: 266010

URL: https://gcc.gnu.org/viewcvs?rev=266010&root=gcc&view=rev
Log:
Implement P0318R1 unwrap_ref_decay and unwrap_reference

	Implement P0318R1 unwrap_ref_decay and unwrap_reference
	* include/std/type_traits (unwrap_reference, unwrap_reference_t)
	(unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
	* testsuite/20_util/unwrap_reference/1.cc: New test.
	* testsuite/20_util/unwrap_reference/2.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/20_util/unwrap_reference/
    trunk/libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc
    trunk/libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/type_traits