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

[kargl at gcc dot gnu.org]

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

--- Comment #23 from kargl at gcc dot gnu.org ---
Created attachment 38441
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38441&action=edit
diff for revision 235999