[Bug tree-optimization/89582] Suboptimal code generated for floating point struct in -O3 compare to -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89582

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #5)
> Is this a dup of PR 59464?

The float case, yes.  All of them are related, but different testcases
hit different details of the issue due to ABI details.

Maybe it would be good to create a separate meta-bug for these.

The installed patch doesn't help 59464.