[Bug tree-optimization/65494] [5.0 Regression] Loop is not vectorized because of operand canonicalization.

[ysrumyan at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65494

--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Created attachment 35072
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35072&action=edit
test-case to reproduce

The following options are used to reproduce:  -Ofast -funroll-loops