[Bug target/106271] Bootstrap on RISC-V on Ubuntu 22.04 LTS: bits/libc-header-start.h: No such file or directory

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106271

--- Comment #13 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #11 from Matthias Klose <doko at gcc dot gnu.org> ---
> this is fixed in the 14 branch and in 15.

I know that's the claim; still the error happened when trying to build
trunk two days ago.