[Bug fortran/66065] New: ICE on assignment to deferred-length character array

[damian at sourceryinstitute dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66065

            Bug ID: 66065
           Summary: ICE on assignment to deferred-length character array
           Product: gcc
           Version: 5.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: damian at sourceryinstitute dot org
  Target Milestone: ---

I see several other deferred-length character variable bug reports, including a
few ICE report, but I think this is sufficiently different from the others to
warrant a separate submission:

$ cat parse_command_line.f90 
character(len=:), allocatable :: original,copy(:)
copy = [original]
end 

$ gfortran parse_command_line.f90 
parse_command_line.f90:2:0:

 copy = [original]
 ^
internal compiler error: in gimplify_var_or_parm_decl, at gimplify.c:1797

parse_command_line.f90:2:0: internal compiler error: Abort trap: 6
gfortran: internal compiler error: Abort trap: 6 (program f951)
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://trac.macports.org/newticket> for instructions.

$ gfortran --version
GNU Fortran (MacPorts gcc5 5.1.0_0) 5.1.0