[Bug fortran/88048] [8/9 Regression] ICE in check_data_variable, at fortran/resolve.c:15491

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88048

--- Comment #1 from G. Steinmetz <gscfq@t-online.de> ---

Invalid code nearby, down to at least gcc-5 :


$ cat z4.f90
subroutine s(x)
   integer, allocatable :: x(:)
   data x(1:2) /3, 4/
end


$ gfortran-9-20181111 -c z4.f90
f951: internal compiler error: Segmentation fault
0xc88aff crash_signal
        ../../gcc/toplev.c:325
0x626f50 gfc_get_section_index(gfc_array_ref*, __mpz_struct (*) [1],
__mpz_struct (*) [1])
        ../../gcc/fortran/data.c:726
0x6b506f check_data_variable
        ../../gcc/fortran/resolve.c:15562
0x6b54c2 traverse_data_var
        ../../gcc/fortran/resolve.c:15764
0x6a6f71 resolve_data
        ../../gcc/fortran/resolve.c:15819
0x6a6f71 resolve_types
        ../../gcc/fortran/resolve.c:16644
0x6abcec gfc_resolve(gfc_namespace*)
        ../../gcc/fortran/resolve.c:16733
0x699ab7 resolve_all_program_units
        ../../gcc/fortran/parse.c:6064
0x699ab7 gfc_parse_file()
        ../../gcc/fortran/parse.c:6314
0x6e2b7f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204