[Bug tree-optimization/88713] Vectorized code slow vs. flang

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88713

--- Comment #42 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 45507
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45507&action=edit
A patch