[Bug rtl-optimization/122717] [16 Regression] Recent change causes xstormy16-elf to hang during compilation

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122717

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jeffrey A. Law from comment #3)
> Understood.  I don't really care about the xstormy port.  Mostly want to
> raise awareness that perhaps the tree-cfgcleanup code had unintended
> fallout.  If there's any reasonable belief it's xstormy backend, then
> definitely put on the backburner.

Really I had hoped it was hanging inside the ranger while expanding (rather
than LRA) so we would have an easier testcase for PR 122686 but no luck there.