[Bug tree-optimization/83518] [8/9 Regression] Missing optimization: useless instructions should be dropped

[sje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83518

--- Comment #21 from Steve Ellcey <sje at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #20)
> (In reply to Steve Ellcey from comment #19)
> It should have been fixed by r273732 (checked with a cc1 cross to aarch64,
> albeit on a not clean tree...)

OK, I rested with top-of-tree that includes this patch and the tests
are not failing for me now.  My earlier testing did not have this patch
in it.