[Bug libstdc++/83830] has_unique_object_representations_v is missing

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83830

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu Jan 25 15:46:41 2018
New Revision: 257054

URL: https://gcc.gnu.org/viewcvs?rev=257054&root=gcc&view=rev
Log:
PR libstdc++/83830 Define std::has_unique_object_representations_v

        PR libstdc++/83830
        * include/std/type_traits (has_unique_object_representations_v): Add
        variable template.
        * testsuite/20_util/has_unique_object_representations/value.cc: Check
        variable template.

Modified:
    branches/gcc-7-branch/libstdc++-v3/ChangeLog
    branches/gcc-7-branch/libstdc++-v3/include/std/type_traits
   
branches/gcc-7-branch/libstdc++-v3/testsuite/20_util/has_unique_object_representations/value.cc