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bug#39962: 27.0.90; Crash in Emacs 27.0.90

From: Pieter van Oostrum
Subject: bug#39962: 27.0.90; Crash in Emacs 27.0.90
Date: Tue, 10 Mar 2020 14:37:43 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.90 (darwin)

I wrote:

> You probably mean vm-update-summary-and-mode-line (in frame #24). That one 
> indeed calls mapatoms. It uses it to find all the buffers. I don't know why 
> they don't use '(buffer-list)'.
> And then that calls vm-do-needed-summary-rebuild which calls 
> vm-set-summary-pointer

I checked, and VM uses mapatoms a lot, but always on its own obarrays. They use 
these as hash storages. So it shouldn't affect the Lisp obarray. So I was wrong 
about the (buffer-list).
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]

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