[Bug fortran/54224] [4.8 Regression] Bogus -Wunused-function warning with static function

[janus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54224

--- Comment #12 from janus at gcc dot gnu.org 2012-10-19 17:22:44 UTC ---
r192620 fixes the bogus warning on comment 0, which was a 4.8 regression.

Leftover things to check/fix:
 * unused-warnings for internal procedues
 * unused-warnings for module variables
 * ... ?