[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 #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Multiply binds left to right. 

That is a * b * c is the same as (a * b) * c and not the same as A * (b * c).