[Bug tree-optimization/61383] [4.8/4.9/4.10 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61383

--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
There is similar issue in RTL PRE GCSE [1], PR45223.