[Bug tree-optimization/116209] range_op_table/operator_table should become a final singleton class

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116209

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I have a few other cleanups here too.