Bug when compiling with gcc 15

[Steven Robbins]

On Monday, July 28, 2025 11:10:41 p.m. Central Daylight Saving Time William 
Youmans wrote:
> Hi,
> 
> This may overlap with known build issues but I'm not sure. Configuring GMP
> with gcc 15 on a fresh Arch install fails (with essential development tools
> from `base-devel` installed).

For what it's worth: this was also reported to me as Debian maintainer of gmp.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1096730

I've just tested locally, reproduced the configuration failure and have 
attached the config.log for interested parties.  

-Steve
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