[Bug tree-optimization/68654] [6 Regression] CoreMark Pro performance degradation

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68654

--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Alexander Fomin from comment #17)
> Unfortunately, it doesn't. Moreover, it causes another perf loss (about
> 1.2%).

Heh.  What about testcases?