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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/30261] [gdb] segfaults in gdb.base/index-cache.exp
Date: Fri, 31 Mar 2023 14:54:52 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30261

--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot g=
nu.org> ---
The master branch has been updated by Tom Tromey <tromey@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3D6f214d0f3998=
47b13f979651c3b46befcbb42140

commit 6f214d0f399847b13f979651c3b46befcbb42140
Author: Tom Tromey <tom@tromey.com>
Date:   Fri Mar 24 15:53:22 2023 -0600

    Fix race in background index-cache writing

    Tom de Vries pointed out a bug in the index-cache background writer --
    sometimes it will fail.  He also noted that it fails when the number
    of worker threads is set to zero.  These turn out to be the same
    problem -- the cache can't be written to until the per-BFD's
    "index_table" member is set.

    This patch avoids the race by rearranging the code slightly, to ensure
    the cache cannot possibly be written before the member is set.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30261

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