[Bug target/89822] self mov on x86_64 and not optimized-out sub on ARM/ARM64 in a jump table switch

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89822

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Oh the sub issue for aarch64 is solved in GCC 7+.