[Bug c++/120955] [15/16 Regression] 50 % increase in data segment size on avr-gcc for -Os

[fiesh at zefix dot tv via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120955

--- Comment #16 from fiesh at zefix dot tv ---
Ah also I just realized it's cvise's CommentsPass that breaks the TU right away
and keeps it from being reduced further.  Disabling this pass now makes cvise
do something.  So hopefully, there'll be something better soon.