[Bug fortran/102331] ICE in attr_decl1, at fortran/decl.c:8691

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102331

--- Comment #7 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
 I biffed the PR number on this commit. It should have been here. I will have
to look into amending the ChangeLog correctly.

The master branch has been updated by Jerry DeLisle <jvdelisle@gcc.gnu.org>:

https://gcc.gnu.org/g:cdc6bf44eec295805ae29a8aaddafd111de01c8e

commit r13-4934-gcdc6bf44eec295805ae29a8aaddafd111de01c8e
Author: Steve Kargl <kargl@gcc.gnu.org>
Date:   Mon Dec 26 14:07:04 2022 -0800

    Modify checks to avoid referencing NULL pointer.

    Update test cases with error messages that changed as a result.

    gcc/fortran/ChangeLog:

            PR fortran/102595
            * decl.cc (attr_decl1): Guard against NULL pointer.
            * parse.cc (match_deferred_characteristics): Include BT_CLASS in
check for
            derived being undefined.

    gcc/testsuite/ChangeLog:

            PR fortran/102595
            * gfortran.dg/class_result_4.f90: Update error message check.
            * gfortran.dg/pr85779_3.f90: Update error message check.