re PR tree-optimization/67842 (Incorrect check in sese.h:bb_in_region)

2017-12-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/67842
	* sese.h (bb_in_region): Remove #if 0'ed code.

From-SVN: r255636

gcc/ChangeLog

 2017-12-14  Richard Biener  <rguenther@suse.de>
 
+	PR tree-optimization/67842
+	* sese.h (bb_in_region): Remove #if 0'ed code.
+
+2017-12-14  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/83326
 	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add
 	may_be_zero parameter and handle it by not marking the first

gcc/sese.h

@@ -120,20 +120,6 @@ sese_nb_params (sese_info_p region)
 static inline bool
 bb_in_region (const_basic_block bb, const_basic_block entry, const_basic_block exit)
 {
-  /* FIXME: PR67842.  */
-#if 0
-  if (flag_checking)
-    {
-      edge e;
-      edge_iterator ei;
-
-      /* Check that there are no edges coming in the region: all the
-	 predecessors of EXIT are dominated by ENTRY.  */
-      FOR_EACH_EDGE (e, ei, exit->preds)
-	gcc_assert (dominated_by_p (CDI_DOMINATORS, e->src, entry));
-    }
-#endif
-
   return dominated_by_p (CDI_DOMINATORS, bb, entry)
 	 && !(dominated_by_p (CDI_DOMINATORS, bb, exit)
 	      && !dominated_by_p (CDI_DOMINATORS, entry, exit));