From: Thomas Neumann <thomas.neumann@in.tum.de>
To: Stephan Bergmann <sbergman@redhat.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH v4] eliminate mutex in fast path of __register_frame
Date: Mon, 19 Sep 2022 15:55:47 +0200 [thread overview]
Message-ID: <6c1149d1-3017-ca9b-08b6-b7100578b453@in.tum.de> (raw)
In-Reply-To: <ec53c7f2-9684-7472-5b2b-2e6afabbedc8@redhat.com>
> I haven't debugged this in any way, nor checked whether it only impacts
> exactly my below scenario, but noticed the following:
>
> At least when building LibreOffice with Clang (16 trunk) with ASan and
> UBsan enabled against libstdc++ (with --gcc-toolchain and
> LD_LIBRARY_PATH to pick up a libstdc++ trunk build including this change
> at build and run-time), at least one of the LibreOffice tests executed
> during the build started to fail with
Apparently a registered frame is not found when deregistering, which
triggers an assert. I will debug this. Could you send me a script or a
description on how to reproduce the issue?
Best
Thomas
next prev parent reply other threads:[~2022-09-19 13:55 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-16 10:19 Thomas Neumann
2022-09-16 14:49 ` Jason Merrill
2022-09-18 8:59 ` Dimitar Dimitrov
2022-09-18 9:20 ` Thomas Neumann
2022-09-18 10:02 ` Thomas Neumann
2022-09-19 13:46 ` Stephan Bergmann
2022-09-19 13:55 ` Thomas Neumann [this message]
2022-09-19 14:00 ` Stephan Bergmann
2022-09-19 15:33 ` Thomas Neumann
2022-09-20 5:39 ` Stephan Bergmann
2022-11-21 11:14 ` Tamar Christina
2022-11-21 11:22 ` Thomas Neumann
2022-11-21 11:48 ` Jakub Jelinek
2022-11-21 17:13 ` H.J. Lu
2022-11-22 0:31 ` Thomas Neumann
2022-11-22 8:20 ` Florian Weimer
2022-11-22 9:12 ` Thomas Neumann
2022-12-09 17:34 ` [PATCH] initialize fde objects lazily Thomas Neumann
2022-12-15 16:11 ` Tamar Christina
2022-12-16 17:25 ` Jason Merrill
2023-05-02 14:32 ` [PATCH] release the sorted FDE array when deregistering a frame [PR109685] Thomas Neumann
2023-05-10 10:49 ` [PATCH] fix radix sort on 32bit platforms [PR109670] Thomas Neumann
2023-08-10 11:33 ` [PATCH] preserve base pointer for __deregister_frame [PR110956] Thomas Neumann
2023-08-11 15:21 ` Jeff Law
2024-03-15 10:29 ` [PATCH] handle unwind tables that are embedded within unwinding code, [PR111731] Thomas Neumann
2024-03-20 8:25 ` Richard Biener
2024-03-22 13:35 ` Jeff Law
2024-03-22 13:36 ` Jeff Law
2024-03-22 14:43 ` Thomas Neumann
2022-11-22 8:00 ` [PATCH] speed up end_fde_sort using radix sort Thomas Neumann
2022-12-16 18:02 ` Jason Merrill
2022-11-21 11:49 ` [PATCH v4] eliminate mutex in fast path of __register_frame Tamar Christina
2022-11-21 11:53 ` Thomas Neumann
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