re PR tree-optimization/80048 (gcc/sese.c: PVS-Studio: Improper Release of…

re PR tree-optimization/80048 (gcc/sese.c: PVS-Studio: Improper Release of Memory Before Removing Last Reference (CWE-401))

2017-03-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80048
	* sese.c (free_sese_info): Properly release rename_map and
	copied_bb_map elements.

From-SVN: r246217

gcc/ChangeLog

+2017-03-17  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/80048
+	* sese.c (free_sese_info): Properly release rename_map and
+	copied_bb_map elements.
+
 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
 
 	* gimple-ssa-store-merging.c (struct imm_store_chain_info):

gcc/sese.c

@@ -199,11 +199,11 @@ free_sese_info (sese_info_p region)
   region->loop_nest.release ();
 
   for (rename_map_t::iterator it = region->rename_map->begin ();
-       it != region->rename_map->begin (); ++it)
+       it != region->rename_map->end (); ++it)
     (*it).second.release ();
 
   for (bb_map_t::iterator it = region->copied_bb_map->begin ();
-       it != region->copied_bb_map->begin (); ++it)
+       it != region->copied_bb_map->end (); ++it)
     (*it).second.release ();
 
   delete region->rename_map;