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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: What's the specification for sxhash?
Date: Thu, 06 Jun 2019 11:30:12 -0400
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>>> For some types the hash uses the address of the object, so it is likely
>>> to differ even between runs of the same binary.
>> What types?
> Symbols, for example.

And lots of others.  Basically all the types for which `equal` is the
same as `eq`, such as buffers, windows, processes, frames, markers,
overlays, hash-tables, ...


        Stefan