bug#22526: 25.0.90; Crash starting gnus

[Eli Zaretskii]

> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Sat, 13 Feb 2016 15:16:32 +0000
> 
> On Sat 13 Feb 2016, Eli Zaretskii wrote:
> > Also, is this an optimized build?  I don't think I've seen all the
> > basic data collected by report-emacs-bug about your build; can you
> > post it?
> 
> This is running on a Windows 10 box with an i7-4770K and 16GB RAM, so
> memory pressure should not be a problem.

What other reasons could prevent VirtualAlloc from successfully
committing a range of addresses that was already reserved?

> In GNU Emacs 25.0.90.19 (x86_64-w64-mingw32)
>  of 2016-02-13 built on QUIETUS
> Repository revision: d97f522d3d3fa18eba2962d53e6c197ace938cc2
> Windowing system distributor 'Microsoft Corp.', version 10.0.10586
> Configured using:
>  'configure --prefix=c:/emacs/emacs-25 --build=x86_64-w64-mingw32
>  --without-dbus --enable-checking --enable-check-lisp-object-type
>  --with-gif --with-jpeg --with-png --with-tiff --with-xpm --with-gnutls
>  --with-rsvg --with-xml2 --without-imagemagick --with-modules 'CFLAGS=
>  -g3 -O0''
> 
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
> TOOLKIT_SCROLL_BARS MODULES
> 
> Important settings:
>   value of $LANG: ENG
>   locale-coding-system: cp1252

Thanks.  Please run Emacs under GDB, and see if you get any of the
debug printouts in mmap_alloc and mmap_realloc when this problem
happens (if it happens).