[Bug fortran/103794] New: ICE in gfc_check_reshape, at fortran/check.c:4727

["gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103794

            Bug ID: 103794
           Summary: ICE in gfc_check_reshape, at fortran/check.c:4727
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Affects versions down to at least r5 :


$ cat z1.f90
program p
   integer, parameter :: a(2) = 2
   print *, reshape([1,2,3], [(a*i, i=1,2)])
end


$ cat z2.f90
program p
   print *, reshape([1,2,3], [([2,2]*i, i=1,2)])
end


$ gfortran-12-20211219 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd6d1ff crash_signal
        ../../gcc/toplev.c:322
0x7739c7 gfc_check_reshape(gfc_expr*, gfc_expr*, gfc_expr*, gfc_expr*)
        ../../gcc/fortran/check.c:4727
0x7b4339 do_check
        ../../gcc/fortran/intrinsic.c:4770
0x7b4339 check_specific
        ../../gcc/fortran/intrinsic.c:4783
0x7bc3a4 gfc_intrinsic_func_interface(gfc_expr*, int)
        ../../gcc/fortran/intrinsic.c:5020
0x81001c resolve_unknown_f
        ../../gcc/fortran/resolve.c:2972
0x81001c resolve_function
        ../../gcc/fortran/resolve.c:3329
0x81001c gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.c:7166
0x8164d4 gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.c:7133
0x8164d4 gfc_resolve_code(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:11923
0x814e8f gfc_resolve_blocks(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:10939
0x8151e8 gfc_resolve_code(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.c:11913
0x817b27 resolve_codes
        ../../gcc/fortran/resolve.c:17532
0x817bee gfc_resolve(gfc_namespace*)
        ../../gcc/fortran/resolve.c:17567
0x7fff14 resolve_all_program_units
        ../../gcc/fortran/parse.c:6586
0x7fff14 gfc_parse_file()
        ../../gcc/fortran/parse.c:6842
0x84d53f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216