[Bug fortran/89103] Allow blank format items in format strings

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89103

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-01-29
     Ever confirmed|0                           |1

--- Comment #4 from kargl at gcc dot gnu.org ---
Forgot to note that the patch is ok to commit when gcc 10 stage 1 opens.