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Re: master 9227864: Further fix for aborts due to GC losing pseudovector

From: Stefan Monnier
Subject: Re: master 9227864: Further fix for aborts due to GC losing pseudovectors
Date: Tue, 26 May 2020 13:46:22 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) 
> I guess the recent bugs also make it impossible to do a 32-bit
> --wide-int USE_LSB_TAG build.

Indeed.

> My suspicion is that that would actually be faster,

We had USE_LSB_TAGS for wide-int, originally, but experiments showed
that for wide-int MSB_TAGs was slightly faster, presumably because the
tagging/untagging is simpler.  Speed was (so far) the only reason why we
didn't use LSB_TAGs for wide-int.


        Stefan
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