[Bug c++/82405] Function not inlined for switch and suboptimal assembly is generated

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82405

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> Isolated test-case where we do not reassociate expressions:

And I don't think you can reassociate here validly unless -ffast-math.