[Bug testsuite/34340] ptid_t selftest segfaults

https://sourceware.org/bugzilla/show_bug.cgi?id=34340

--- Comment #3 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom Tromey <[email protected]>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c6ed245a1999a1b424d71ca3d3f72ecab639f9f9

commit c6ed245a1999a1b424d71ca3d3f72ecab639f9f9
Author: Tom Tromey <[email protected]>
Date:   Thu Jul 2 06:51:36 2026 -0600

    Fix ptid_t selftest crash

    Sam James pointed out that my recent patch to add ptid_t::parse caused
    a selftest crash.

    At first I couldn't see why this did not crash for me, but then I
    realized that ptid_t::parse didn't unconditionally initialize '*obuf'.
    Initializing it to nullptr made this crash reliably.

    The underlying bug is that some code paths in ptid_t::parse don't set
    obuf on return.  This patch fixes the bug by passing 'obuf' down to
    hex_or_minus_one.

    Since this is straightforward and fixes a new crash, I'm checking it
    in.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=34340

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