[Bug rtl-optimization/82982] [8 Regression] ICE: qsort checking failed (error: qsort comparator non-negative on sorted output: 5) in ready_sort_real in haifa scheduler

[willschm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82982

--- Comment #6 from Will Schmidt <willschm at gcc dot gnu.org> ---
(In reply to Will Schmidt from comment #4)
> Tried to re-create locally, I've gotten two ICE's using the provided
> testcode snippet, neither look quite like the originally reported issue. 
> (thus I don't know if this is actually the same issue).
> 
> Neither of these require the -fgraphite-identity option be specified.  -m32
> or -m64 doesn't seem to matter for me. 
><...>


(In reply to Arseny Solokha from comment #5)
> (In reply to Will Schmidt from comment #4)
> > Tried to re-create locally, I've gotten two ICE's using the provided
> > testcode snippet, neither look quite like the originally reported issue. 
> 
> You are right. I also cannot reproduce the original issue anymore w/ r257975.

Today I cannot get any ICE's out of this test.  Wonder if things were fixed up
in the mean-time, or if I tickled a config option and managed to hide the
issue(s).   Going to try a few more runs with older trees to see if I can
verify things are fixed.