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Re: valgrind warnings


From: Paul Eggert
Subject: Re: valgrind warnings
Date: Fri, 04 Nov 2011 08:50:10 -0700
User-agent: Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 11/04/11 05:51, Dan Nicolaescu wrote:
> What should we do about this?

There's nothing wrong with the code; this is a false
alarm of valgrind, which is inherent to the way a
conservative garbage collector works.

One way to work around this valgrind issue is to supply
a suppression file, e.g., put something like the
following into a new file emacs/src/valgrind.supp:

{
   Conservative garbage collection Cond
   Memcheck:Cond
   ...
   fun:mark_maybe_*
}
{
   Conservative garbage collection Value8
   Memcheck:Value8
   ...
   fun:mark_maybe_*
}

(this is just an indication of what it would look
like; more is needed).  The goal is to suppress
false positives while minimizing false negatives.



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