[Bug rtl-optimization/110307] ICE in move_insn, at haifa-sched.cc:5473 when building Ruby on alpha with -fPIC -O2 (or -fpeephole2 -fschedule-insns2)

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110307

--- Comment #14 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Alexander Monakov from comment #13)
> Note to self: check how control_flow_insn_p relates.

Did you have a chance to look at this bit? matoro asked me to cherry-pick it
downstream but it's in generic code from a skim so...