Re: Lisp_Marker size on 32bit systems

[Paul Eggert]

On 09/07/2018 11:32 AM, Eli Zaretskii wrote:
> > There are differences in GCC struct layout between MS-Windows and
> > GNU/Linux; see the GCC option -mms-bitfields.
> "-mms-bitfields" is about something very different, and specifically
> for compatibility with Microsoft compilers.  I don't see how that
> could affect long long.

Sure, but the point is that GCC does not lay out structures identically 
on MS-Windows vs GNU/Linux. If it makes an exception for bitfields it 
may very well make an exception for long long.