[Bug tree-optimization/69569] unnecessary branches on an if followed by a switch

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69569

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I have a simple patch which handles the code in comment #0 but it does not
handle the code that is actually is in binutils.