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Re: valgrind warnings [Re: Emacs bzr memory footprint]

From: Stefan Monnier
Subject: Re: valgrind warnings [Re: Emacs bzr memory footprint]
Date: Sat, 29 Oct 2011 12:25:40 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux)

> This is while scanning the stack, where it is apparently possible that
> this happens to look like a Lisp_Object, but isn't.

That doesn't explain it, tho: the conservative stack scanning does check
to make sure the suspected pointer really does point to a real (tho
possibly dead) object, and we always know its type.

I.e. barring bugs in the conservative-scanning code, it should only
cause dead objects to be kept around (and scanned).  But those used to
be live, so they have been initialized.


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