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Re: Time to drop the pre-dump phase in the build?

From: Paul Eggert
Subject: Re: Time to drop the pre-dump phase in the build?
Date: Fri, 10 Jan 2014 22:16:10 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

>(3) Back when I last looked at it (admittedly a long time ago)
>     the dump code was both the largest single source of porting
>     problems and a serious attractor of crash bugs.

Didn't hear about these in a while, perhaps several years.

I ran into a porting problem a couple of weeks ago:
the Emacs dump approach doesn't work with AddressSanitizer
on GNU/Linux, e.g., gcc -fsanitize=address if you're using
GCC 4.8 or later.  It turns out that John Wiegley reported
the problem on emacs-devel in 2012; see:


AddressSanitizer would be a useful bug-squasher for Emacs,
I expect.

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