[Bug tree-optimization/103990] 541.leela_r slower by 4.5-6% with PGO+LTO -Ofast -march=native in the first week of January 2022

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103990

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index ab24fa98a1f..2bdfae5482f 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -4442,7 +4442,6 @@ pass_pre::execute (function *fun)
   if (todo & TODO_cleanup_cfg)
     {
       cleanup_tree_cfg ();
-      todo &= ~TODO_cleanup_cfg;
       need_crit_edge_split = true;
     }

should fix that