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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: san_ignore_object not found at link time
Date: Sat, 01 Aug 2020 22:21:24 +0300
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To: Philipp Stephani <p.stephani2@gmail.com>
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 (message from Philipp Stephani on Sat, 1 Aug 2020 21:17:05 +0200)
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> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sat, 1 Aug 2020 21:17:05 +0200
> Cc: Alan Third <alan@idiocy.org>, raman <raman@google.com>, 
> 	Emacs developers <emacs-devel@gnu.org>
> 
> I've now used INT_SUBTRACT_WRAPV, which should guarantee that the
> offset is defined and fits within an intptr_t.

Thanks, the warning is gone now.  Though I still don't like the code
there, it feels wrong even if it isn't.