[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 #5 from fiesh at zefix dot tv ---
Ah of course, sizing individual object files might make it much easier.  Thank
you, I think I'll be able to create a proper testcase this way.  I'll get back
to here when I've reduced it.