https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48298
--- Comment #22 from Paul Thomas <pault at gcc dot gnu.org> --- (In reply to Walter Spector from comment #18) > Awesome! > > I have noticed one bug so far. The compiler is missing a check to see if > the arguments in the I/O procedures have the 'optional' attribute. It is > allowing the attribute - even though it is illegal. E.g. the following > should be flagged as erroneous: > > SUBROUTINE pwf (dtv,unit,iotype,vlist,iostat,iomsg) > ! argument definitions > CLASS(person), INTENT(IN) :: dtv > INTEGER, INTENT(IN), OPTIONAL :: unit > CHARACTER (LEN=*), INTENT(IN), OPTIONAL :: iotype > INTEGER, INTENT(IN), OPTIONAL :: vlist(:) > INTEGER, INTENT(OUT), OPTIONAL :: iostat > CHARACTER (LEN=*), INTENT(INOUT), OPTIONAL :: iomsg > ... > > Walter Hi Walter, I missed this comment - apologies. I will deal with it asap. Cheers Paul
