bug#41242: Port feature/native-comp to Windows

[Eli Zaretskii]

> From: Nicolas Bértolo <nicolasbertolo@gmail.com>
> Date: Sat, 23 May 2020 13:20:06 -0300
> Cc: Andrea Corallo <akrl@sdf.org>, 41242@debbugs.gnu.org
> 
> > I don't think so, I see it on modern versions of Windows all the time. 
> 
> Using ProcessExplorer this is what I see in my machine:
> 
> - emacs.exe is always loaded @ 0x40000000.
> - .eln files do not have the ASLR flag enabled and "Image Base" == "Base".

My observation was based on the fact that addresses of the same
objects that I see in the debugger are different from session to
session on Windows 7 and Windows 10, but not on XP.