[Bug tree-optimization/65177] [5 Regression]: extend jump thread for finite state automata causes miscompilation

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65177

--- Comment #13 from Jeffrey A. Law <law at redhat dot com> ---
But you can need updates that extend beyond the scope of the SEME I would
think.  That was my recollection from looking at ways to minimize the number of
blocks the renamer had to examine after threading.