https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108315
--- Comment #21 from Rui Ueyama <rui314 at gmail dot com> --- I fixed several issues in mold related to POWER10 compatibility, and all its unit tests pass on gcc120! I also confirmed that mold can now bootstrap itself with `-mcpu=power10`. So I believe it's now usable on POWER10 machines.