[Bug binutils/28674] objdump crashed when compiled with `clang-13 -O0`

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28674

--- Comment #1 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=b243230f64fb4db9a16ef88ec5bd3e3f48f1fe41

commit b243230f64fb4db9a16ef88ec5bd3e3f48f1fe41
Author: Alan Modra <amodra@gmail.com>
Date:   Fri Dec 10 08:27:58 2021 +1030

    PR28674, objdump crash

    Not returning an error indication here leaves the attribute
    uninitialised, which then leads to intemperate behaviour.

            PR 28674
            * dwarf2.c (read_attribute_value): Return NULL on trying to read
            past end of attributes.

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