[Bug fortran/69860] New: ICE on missing end apostrophe with character(kind=4)

[gerhard.steinmetz.fortran@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69860

            Bug ID: 69860
           Summary: ICE on missing end apostrophe with character(kind=4)
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gerhard.steinmetz.fortran@t-online.de
  Target Milestone: ---

With a missing end apostrophe :

$ cat z1.f90
program p
   character(len=2, kind=4) :: a = 'aa', b = 'bb
end


$ gfortran-6 -g z1.f90
z1.f90:2:46:

    character(len=2, kind=4) :: a = 'aa', b = 'bb
                                              1
Error: Unterminated character constant beginning at (1)
f951: internal compiler error: gfc_is_constant_expr(): Unknown expression type


For some other compile options, error message may depend on $LANG etc.