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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31281] [gdb] intrusive_list.h:329: internal-error:
 push_back: Assertion elem_node->prev == INTRUSIVE_LIST_UNLIKED_VALUE failed.
Date: Wed, 24 Jan 2024 16:17:38 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31281

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at sourceware dot o=
rg

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
This is suggestive:

#11 0x000000000087a3d1 in
process_stratum_target::maybe_remove_resumed_with_pending_wait_status
(this=3D0x10fac80 <the_amd64_linux_nat_target>, thread=3D0x237ea40)
    at ../../binutils-gdb/gdb/process-stratum-target.c:136
#12 0x00000000009fed78 in set_thread_exited (tp=3D0x237ea40,=20
    exit_code=3Dstd::optional [no contained value], silent=3Dtrue)
    at ../../binutils-gdb/gdb/thread.c:236
#13 0x0000000000762cc2 in operator() (__closure=3D0x7ffe08d2b507, thr=3D0x2=
37ea40)
    at ../../binutils-gdb/gdb/inferior.c:268
#14 0x0000000000765977 in intrusive_list<thread_info,
intrusive_base_node<thread_info>
>::clear_and_dispose<inferior::clear_thread_list()::<lambda(thread_info*)>
>(struct {...}) (this=3D0x1c0b068, disposer=3D...)
    at ../../binutils-gdb/gdb/../gdbsupport/intrusive_list.h:518


In frame 11 the assertion triggers.
But maybe the entry was already removed by the loop in frame 14.

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