[Bug fortran/93835] New: [9/10 Regression] ICE in simplify_findloc_nodim, at fortran/simplify.c:5513

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93835

            Bug ID: 93835
           Summary: [9/10 Regression] ICE in simplify_findloc_nodim, at
                    fortran/simplify.c:5513
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20181021 and 20181028 :


$ cat z1.f90
program p
   print *, findloc(shape(1), 1)
end


$ gfortran-9-20181021 -c z1.f90
$
$ gfortran-10-20200216 -c z1.f90
f951: internal compiler error: Segmentation fault
0xbae76f crash_signal
        ../../gcc/toplev.c:328
0x6d0d20 simplify_findloc_nodim
        ../../gcc/fortran/simplify.c:5513
0x6d9df9 gfc_simplify_findloc(gfc_expr*, gfc_expr*, gfc_expr*, gfc_expr*,
gfc_expr*, gfc_expr*)
        ../../gcc/fortran/simplify.c:5779
0x6607f6 do_simplify
        ../../gcc/fortran/intrinsic.c:4638
0x66af6a gfc_intrinsic_func_interface(gfc_expr*, int)
        ../../gcc/fortran/intrinsic.c:4996
0x6c2b1e resolve_unknown_f
        ../../gcc/fortran/resolve.c:2894
0x6c2b1e resolve_function
        ../../gcc/fortran/resolve.c:3238
0x6c2b1e gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.c:7000
0x6b9eac gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.c:6967
0x6b9eac gfc_resolve_code(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:11687
0x6c8d9f gfc_resolve_blocks(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:10714
0x6b8bd8 gfc_resolve_code(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:11677
0x6bb457 resolve_codes
        ../../gcc/fortran/resolve.c:17204
0x6bb51e gfc_resolve(gfc_namespace*)
        ../../gcc/fortran/resolve.c:17239
0x6a987c resolve_all_program_units
        ../../gcc/fortran/parse.c:6245
0x6a987c gfc_parse_file()
        ../../gcc/fortran/parse.c:6492
0x6f44ff gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210