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