[Bug fortran/95980] ICE in get_unique_type_string, at fortran/class.c:485

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95980

--- Comment #17 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Harald Anlauf <anl...@gcc.gnu.org>:

https://gcc.gnu.org/g:70c884a4b82733027ac0e2620d09169b177080d7

commit r11-2026-g70c884a4b82733027ac0e2620d09169b177080d7
Author: Harald Anlauf <anl...@gmx.de>
Date:   Fri Jul 10 21:35:35 2020 +0200

    PR fortran/95980 - ICE in get_unique_type_string, at fortran/class.c:485

    In SELECT TYPE, the argument may be an incorrectly specified unlimited
    CLASS variable.  Avoid NULL pointer dereferences for clean error
    recovery.

    gcc/fortran/
            PR fortran/95980
            * class.c (gfc_add_component_ref, gfc_build_class_symbol):
            Add checks for NULL pointer dereference.
            * primary.c (gfc_variable_attr): Likewise.
            * resolve.c (resolve_variable, resolve_assoc_var)
            (resolve_fl_var_and_proc, resolve_fl_variable_derived)
            (resolve_symbol): Likewise.