[Bug 289096] lib/libexecinfo/sigtramp_test:test_backtrace_sigtramp fails in CI

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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 05 Oct 2026 16:16:45 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289096

Minsoo Choo <mchoo@freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mchoo@freebsd.org

--- Comment #12 from Minsoo Choo <mchoo@freebsd.org> ---
kib@'s patch is correct according to DWARF spec. The issue is
contrib/llvm-project/libunwind/include/__libunwind_config.h sets highest DWARF
register number on amd64 as 32, so special registers aren't recognized here.

I will create PR on llvm upstream tonight in EST. If that is accepted, we can
backport the patch.

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