http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56044
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-01-19 20:07:30 UTC --- Did you try -Wshadow ?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56044
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-01-19 20:07:30 UTC --- Did you try -Wshadow ?