1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c
index 7139e3a..67e5632 100644
--- a/gcc/cfgcleanup.c
+++ b/gcc/cfgcleanup.c
@@ -2367,7 +2367,13 @@ cleanup_cfg (int mode)
 	    break;
 	  else if ((mode & CLEANUP_CROSSJUMP)
 		   && crossjumps_occured)
-	    run_fast_dce ();
+	    {
+	      /* Fast DCE is expensive, we really want to be sure we don't
+		 re-run it just because crossjumping cascade.  */
+	      while (try_optimize_cfg (mode))
+		delete_unreachable_blocks ();
+	      run_fast_dce ();
+	    }
 	}
       else
 	break;