[Bug fortran/28004] Warn if intent(out) dummy variable is used before being defined

[dfranke at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28004

--- Comment #11 from Daniel Franke <dfranke at gcc dot gnu.org> 2010-12-29 
14:52:48 UTC ---
Also related: PR45619.