Gentoo's Bugzilla –
Attachment 874609 Details for
Bug 917263app-arch/xz-utils-5.4.5[pgo] - ld.lld: error: cannot open /usr/lib/llvm/16/bin/../../../../lib/clang/16/lib/linux/libclang_rt.profile-x86_64.a: No such file or directory clang-16: error: linker command failed with exit code 1 (use -v to see invocation)