From: Eli Zaretskii <eliz@gnu.org>
To: Pip Cet <pipcet@protonmail.com>, Andrea Corallo <acorallo@gnu.org>
Cc: 74771@debbugs.gnu.org, eric.marsden@risk-engineering.org
Subject: bug#74771: Native compilation bug with struct predicates when lexical binding enabled (HEAD)
Date: Wed, 11 Dec 2024 14:32:15 +0200 [thread overview]
Message-ID: <86ldwm4cz4.fsf@gnu.org> (raw)
In-Reply-To: <87frmvmbnb.fsf@protonmail.com> (bug-gnu-emacs@gnu.org)
> Cc: 74771@debbugs.gnu.org
> Date: Tue, 10 Dec 2024 22:12:03 +0000
> From: Pip Cet via "Bug reports for GNU Emacs,
> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>
> Pip Cet <pipcet@protonmail.com> writes:
>
> > IIUC, the code blindly assumes that cond-jump would use t as its second
> > argument. In your code, the second argument was nil, so the assumptions
> > were put into the wrong basic blocks.
>
> I did not understand correctly. It seems cond-jump is still limited to
> a nil second argument, which is an undocumented assumption that comp.el
> continues to rely on.
>
> I still think comp--emit-assume does the wrong thing when negating an
> assumption, but we've been there before...
Let's hear from Andrea (CC'ed) about this.
next prev parent reply other threads:[~2024-12-11 12:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-10 16:55 bug#74771: Native compilation bug with struct predicates when lexical binding enabled (HEAD) Eric Marsden
2024-12-10 21:21 ` Pip Cet via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-12-10 22:12 ` Pip Cet via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-12-11 12:32 ` Eli Zaretskii [this message]
2024-12-11 14:01 ` Pip Cet via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-12-11 22:29 ` Andrea Corallo
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