[Bug rtl-optimization/68988] reload_pseudo_compare_func violates qsort requirements

[ygribov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68988

--- Comment #4 from Yury Gribov <ygribov at gcc dot gnu.org> ---
(In reply to Alexander Monakov from comment #3)
> Not a commit, merely a proposed patch at this point. Sorry I missed this bug
> when preparing the patch.

Yes, I should avoid working too late in the evening.  A pity BZ does not allow
to edit coments.