[Bug fortran/67987] ICE on declaring and initializing character with negative len

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67987

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-10-16
                 CC|                            |kargl at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |kargl at gcc dot gnu.org
     Ever confirmed|0                           |1
      Known to fail|                            |4.6.4, 4.7.4, 4.8.5, 4.9.4,
                   |                            |5.2.1, 6.0

--- Comment #1 from kargl at gcc dot gnu.org ---
I have a patch that I'm testing.  For the code in the
intial report I get

troutmask:sgk[238] gfc6 -c g6.f90
g6.f90:2:15:

    character(-8) :: c = ' '
               1
Error: LEN at (1) must be greater than or equal to 0