[Bug rtl-optimization/86096] [8/9 Regression] ICE: qsort checking failed (error: qsort comparator non-negative on sorted output: 0)

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86096

--- Comment #5 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Author: amonakov
Date: Mon Feb 25 15:14:39 2019
New Revision: 269189

URL: https://gcc.gnu.org/viewcvs?rev=269189&root=gcc&view=rev
Log:
df-scan: fix use of mw_order in df_mw_compare (PR 86096)

        PR rtl-optimization/86096
        * df-scan.c (df_mw_compare): Do not check mw_reg fields when
        comparing mw_order values.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df-scan.c