[Bug middle-end/90340] Not optimal code when compiling switch-case for size, code increase +35%

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90340

--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
> I'm curious how much can save following patch:
> 

Plus how much can you cave with 9.1 and -fno-jump-tables?