[Bug ld/30155] ld: Segfault in _bfd_nearby_section with custom linker scripts

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30155

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=18e7a6587e3f111e9367ea707f9eb21acf4b9af7

commit 18e7a6587e3f111e9367ea707f9eb21acf4b9af7
Author: Alan Modra <amodra@gmail.com>
Date:   Thu Feb 23 18:23:12 2023 +1030

    PR30155, ld segfault in _bfd_nearby_section

    The segfault was a symptom of messing with the absolute section next
    field, confusing bfd_section_removed_from_list in linker.c:fix_syms.
    That's not all that was going wrong.  The INSERT list of output
    sections was being inserted into itself, ie. lost from the main
    list of linker statements.

            PR 30155
            * ldlang.c (process_insert_statements): Handle pathological
            case of the insert script being inserted before the first
            output section statement in the default script.
            (output_prev_sec_find): Don't test section owner here.
            (insert_os_after): Change parameter to a list union pointer.
            (lang_insert_orphan): Test section owner here and adjust
            insert_os_after call.

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