[Bug libstdc++/71320] filesystem::permissions does not respect add_perms/remove_perms

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71320

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Jul 19 16:34:23 2016
New Revision: 238480

URL: https://gcc.gnu.org/viewcvs?rev=238480&root=gcc&view=rev
Log:
libstdc++/71320 Add or remove file permissions correctly

Backport from mainline
2016-06-06  Jonathan Wakely  <jwak...@redhat.com>

        PR libstdc++/71320
        * src/filesystem/ops.cc (permissions(const path&, perms, error_code&)):
        Add or remove permissions according to perms argument.
        * testsuite/experimental/filesystem/operations/permissions.cc: New
        test.

Added:
   
branches/gcc-6-branch/libstdc++-v3/testsuite/experimental/filesystem/operations/permissions.cc
Modified:
    branches/gcc-6-branch/libstdc++-v3/ChangeLog
    branches/gcc-6-branch/libstdc++-v3/src/filesystem/ops.cc