https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100344
--- Comment #6 from David Binderman <dcb314 at hotmail dot com> --- The bug first seems to occur sometime between git hash b58dc0b803057c0e, dated 20210429, and 17f2908fcf058e14, dated 20210430. I have a poor record with git bisect, so I will leave that to someone else more competent.
