[Bug c/38481] Add attribute for custom sentinels

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38481

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-07-25
                 CC|                            |egallager at gcc dot gnu.org
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
I guess since I'm marking stuff as duplicates of this, I should confirm it as
an enhancement...