[Bug rtl-optimization/52203] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7136 with -fsel-sched-pipelining -fselective-scheduling2 and other custom flags

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52203

--- Comment #6 from Uros Bizjak <ubizjak at gmail dot com> 2012-02-13 16:01:40 
UTC ---
(In reply to comment #5)
> (In reply to comment #4)
> 
> > The bugs you are referring to were real bugs, where wrong or missing operand
> > was accessed from attribute calculation machinery.
> 
> ... and PR 49014, where indeed insn without reservation crashed scheduler in
> the same way. But there was a clear inconsistency in the model, so we got away
> with the adjustment.

Maybe a warning in the logs could be emitted for insns without reservations?