There is a new pull request by Johnnynator against master on the void-packages repository

https://github.com/Johnnynator/void-packages gcc-fix
https://github.com/void-linux/void-packages/pull/26488

gcc: remove wrong include-fxed/bits/statx.h header
This is needed, to be able to compile a new gcc with glibc-2.31+


A patch file from https://github.com/void-linux/void-packages/pull/26488.patch is attached