[Bug c++/85441] Empty loops not optimised away

[sebastian321123 at interia dot pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85441

--- Comment #3 from sebastian321123 at interia dot pl ---
I am afraid that nothing changes with optimisation flags. I am getting the same
results for -O1, -O2, -O3 and -Os