[Bug middle-end/68664] [6/7 Regression] Speculative sqrt in c-ray main loop causes large slow down

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68664

--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Created attachment 40613
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40613&action=edit
preprocessed testcase for reproducing on ppc64 and aarch64