Release clang16-v8
How to reproduce build
git clone --recursive https://github.com/yandex/toolchain-registry.git /ix
cd /ix
git checkout eb0f39cda82ea24f77858ef4f0d91f6d1a134cf6
export PATH=${PWD}:${PATH}
export IX_ROOT=/ix
export IX_EXEC_KIND=local
ix mut output --materialize clang/16 --target={{TARGET}}