https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78278
kargl at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kargl at gcc dot gnu.org
--- Comment #6 from kargl at gcc dot gnu.org ---
(In reply to Gerhard Steinmetz from comment #0)
> Down to at least 4.8 :
>
> $ cat z1.f90
> program p
> character, pointer :: x => null()
> data x /null()/
> end
>
> $ gfortran-7-20161106 z1.f90
> f951: internal compiler error: Segmentation fault
> 0xc3a64f crash_signal
> ../../gcc/toplev.c:338
> 0x700690 gfc_wide_memset(unsigned int*, unsigned int, unsigned long)
> ../../gcc/fortran/scanner.c:153
> 0x67741d create_character_initializer
> ../../gcc/fortran/data.c:195
> 0x67741d gfc_assign_data_value(gfc_expr*, gfc_expr*, __mpz_struct*,
> __mpz_struct (*) [1])
> ../../gcc/fortran/data.c:488
> 0x6f12a9 check_data_variable
> ../../gcc/fortran/resolve.c:15001
> 0x6f12a9 traverse_data_var
> ../../gcc/fortran/resolve.c:15130
> 0x6fbc91 resolve_data
> ../../gcc/fortran/resolve.c:15185
> 0x6fbc91 resolve_types
> ../../gcc/fortran/resolve.c:15939
> 0x6f76ac gfc_resolve(gfc_namespace*)
> ../../gcc/fortran/resolve.c:16027
> 0x6e1bba resolve_all_program_units
> ../../gcc/fortran/parse.c:5883
> 0x6e1bba gfc_parse_file()
> ../../gcc/fortran/parse.c:6130
> 0x725822 gfc_be_parse_file
> ../../gcc/fortran/f95-lang.c:198
This now compiles with trunk. I cannot force the
error message with -std=f95 (or any other -std= option).
