Problems building llvm13 and llvm15?

From: Stephen Roznowski <sjrbulk_at_verizon.net>
Date: Wed, 04 Jan 2023 01:10:36 UTC
Are others having problems building both llvm13 and llvm15?
I get errors when trying to rebuild llvm13-13.0.1_3 and upgrading llvm15-15.0.6 to llvm15-15.0.6_1 on 13.1-STABLE.
I also get failures when I try building on a "clean vm" running 13.1-RELEASE.
Thanks,Steve