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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: PURESIZE increased (again)
Date: Fri, 28 Apr 2006 08:26:25 +0300
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> Cc: emacs-devel@gnu.org
> From: David Kastrup <dak@gnu.org>
> Date: Thu, 27 Apr 2006 22:52:10 +0200
> 
> Different data types (UNION_something or what it was?)?

Should it matter?  Looking at the code, it sound like in both cases,
Lisp_Object should take the same amount of storage.  (I don't have
access to a 64-bit machine where I'm typing this, so I cannot verify
this by compiling.)

> Different alignment?

The alignment should be the same since it's the same architecture and
the same compiler.