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Re: scratch/accurate-warning-pos: Solid progress: the branch now bootstr

From: Alan Mackenzie
Subject: Re: scratch/accurate-warning-pos: Solid progress: the branch now bootstraps.
Date: Mon, 26 Nov 2018 10:16:51 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

Hello again, Stefan.

On Mon, Nov 26, 2018 at 09:52:19 +0000, Alan Mackenzie wrote:
> On Sun, Nov 25, 2018 at 15:08:52 -0500, Stefan Monnier wrote:
> > >> That would significantly increase the impact in terms of code-size and
> > >> CPU time (could explain why you see 8% slowdown which is more expansive
> > >> than my patch which turns EQ into EQL).
> > > Would it?

> > Yes: I think NILP is much more frequent than EQ.

> Ah right, I see what you mean, now:  Leave EQ more or less as it is in
> scratch/accurate-warning-pos, but have NILP use "BASE_EQ" rather than EQ
> to compare with Qnil.

> My gut feeling is that this won't work, but I'm going to try it, anyway.

I've just tried it in a make bootstrap.

There was a binding stack overflow whilst compiling
.../lisp/composite.el.  I don't know exactly why.

> Thanks for the suggestion!

> >         Stefan

> -- 
> Alan Mackenzie (Nuremberg, Germany).

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