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Re: Build failure for Emacs master

From: Eli Zaretskii
Subject: Re: Build failure for Emacs master
Date: Fri, 15 Apr 2016 17:38:24 +0300

> From: Andy Moreton <address@hidden>
> Date: Fri, 15 Apr 2016 09:18:58 +0100
> No, but changing the content of ldefs-boot.el can change the timing and
> behaviour of the bootstrap-emacs.exe that is built from it. Whether the
> observed bug is timing related or completely deterministic is not yet
> known.

I've just fixed on the emacs-25 branch a serious bug in the w32
implementation of mmap_realloc.  The conditions under which the bug
happened are very rare, but when it did happen, we would in effect
lose a portion of buffer text, and instead get binary nulls.  Sounds

So please try reproducing your problem after updating the repository
from upstream, I hope that the problems will be gone.  (If you are
tracking master, wait until ab849b7 is merged to it, or apply it

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