[Bug tree-optimization/64193] [4.8/4.9/5 Regression] Decreased performance after r173250

[cederman at gaisler dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64193

--- Comment #5 from Daniel Cederman <cederman at gaisler dot com> ---
> Probably the regression was mitigated by the partial fix for PR63677:

Yes, that seems to be the case for my attached example. Do you think that the
regression is mitigated in general, or is your attached fix also needed?