[Bug libctf/27628] UBSAN error: binutils-gdb/libctf/ctf-serialize.c:852:4:

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27628

--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Nick Alcock <nix@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=24c877f9b19dc38f9c40e25116175481c8bb78f2

commit 24c877f9b19dc38f9c40e25116175481c8bb78f2
Author: Nick Alcock <nick.alcock@oracle.com>
Date:   Thu Mar 25 16:32:46 2021 +0000

    include: always do unsigned left-shift in CTF_SET_STID

    This turns into a signed left shift by 31 bits, otherwise.  This is an
    offset and is always treated as unsigned in any case, so add an
    appropriate cast.

    include/ChangeLog
    2021-03-25  Nick Alcock  <nick.alcock@oracle.com>

            PR libctf/27628
            * ctf-api.h: Fix some indentation.
            (CTF_SET_STID): Always do an unsigned shift, even if STID is
            signed.

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