[Bug middle-end/48779] -Wunused-but-set-variable does not report unread unit-static variables

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48779

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.07.23 22:40:07
          Component|c                           |middle-end
     Ever Confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-07-23 22:40:07 UTC ---
To do this warning, we need an IPA pass which goes through all static
referenced variables and see if they are only written to.