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Date:      Tue, 10 Mar 2020 23:43:51 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 207736] clang 3.8.0/powerpc/powerpc64's _Unwind_RaiseException code generation has messed up r31 (frame pointer) save/restore code (SEGV's can result)
Message-ID:  <bug-207736-227-ZYVKg7XUbr@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-207736-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-207736-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207736

Mark Millard <marklmi26-fbsd@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Closed
         Resolution|---                         |FIXED

--- Comment #6 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
Head no longer has the old libunwind code and my
understanding is that there is no plan to complete
the implementation of DW_CFA_remember_state and
DW_CFA_restore_state in 11 or 12 (which still have
the old libunwind code as I understand).

clang also has progressed so that in head, and
eventually 13.0, clang will be officially the
means of building powerpc families (64-bit and
32-bit), using llvm's libunwind.

The 64-bit ABI has also been changed as part of
the activity.

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