[Bug target/94838] Failure to optimize out useless zero-ing after register was already zero-ed

[gabravier at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94838

--- Comment #4 from Gabriel Ravier <gabravier at gmail dot com> ---
Oops, seems like there was a weird collision. Don't pay attention to the second
to last comment before this one, it's identical to the last comment before this
one except for a single comment being added in the last comment before this
one.