[Bug middle-end/83665] [8 regression] Big code size regression and some code quality improvement at Jan 2 2018

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83665

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
One potential candidate is the ipa-inline big_speedup_p fix by Richard.  It
does not seem to explain all the difference though. I have quickly checked that
it does affect gzip LTO binary, but less than reported - by about 2.5KB.