[Bug tree-optimization/84646] Missed optimisation for hoisting conditions outside nested loops

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84646

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |law at redhat dot com

--- Comment #2 from Jeffrey A. Law <law at redhat dot com> ---
The backwards threader discovers the threads, but refuses to optimize them
because it thinks doing so will create an irreducible loop without enough
benefit.