[Bug rtl-optimization/57468] [4.9 Regression] 26% performance drop on important benchmark after r199298.

[ysrumyan at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57468

--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Created attachment 30224
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30224&action=edit
test-case to reproduce

It should be compiled on x86 with "-O2 -m32" options.