r277377 - in /branches/gcc-9-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Oct 24 12:54:00 2019
New Revision: 277377

URL: https://gcc.gnu.org/viewcvs?rev=277377&root=gcc&view=rev
Log:
P1651R0 bind_front should not unwrap reference_wrapper

Backport from mainline
2019-08-06  Jonathan Wakely  <jwakely@redhat.com>

	P1651R0 bind_front should not unwrap reference_wrapper
	* include/std/functional (bind_front): Don't unwrap reference_wrapper.
	* include/std/version (__cpp_lib_bind_front): Update value.
	* testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
	feature test macro.
	* testsuite/20_util/function_objects/bind_front/2.cc: New test.

Added:
    branches/gcc-9-branch/libstdc++-v3/testsuite/20_util/function_objects/bind_front/2.cc
Modified:
    branches/gcc-9-branch/libstdc++-v3/ChangeLog
    branches/gcc-9-branch/libstdc++-v3/include/std/functional
    branches/gcc-9-branch/libstdc++-v3/include/std/version
    branches/gcc-9-branch/libstdc++-v3/testsuite/20_util/function_objects/bind_front/1.cc