[Bug fortran/56226] Add support for DEC UNION and MAP extensions

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56226

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-08 00:46:19 UTC ---
Union can be replaced with EQUIVALENCE I think.