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Re: Build failure for Emacs master

From: Andy Moreton
Subject: Re: Build failure for Emacs master
Date: Fri, 15 Apr 2016 16:36:14 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.92 (windows-nt)

On Fri 15 Apr 2016, Eli Zaretskii wrote:

>> 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
> familiar?
> 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
> manually.)

I've tried boostrapping a completely clean emacs-25 tree at commit
ab849b7, which was successful. Yuor patch looks good, so let's hope this
problem is gone.


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