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

[fredrik.hederstierna@securitas-direct.com]

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

--- Comment #10 from Fredrik Hederstierna <fredrik.hederstierna@securitas-direct.com> ---
Tested also gcc-9.1.0 "max_ratio_for_size = 1" just out of curiosity

results was similar compared to gcc-8.2.0:

Overall CSiBE was

2 417 695 bytes (+4185 bytes, +0.17%)

Example file CSiBE "vsprintf.c" was

2369 bytes (+76 bytes, +3.2%)