alias.c (record_component_aliases): Do not walk BINFOs.

2014-04-15  Richard Biener  <rguenther@suse.de>

	* alias.c (record_component_aliases): Do not walk BINFOs.

From-SVN: r209412

gcc/ChangeLog

 2014-04-15  Richard Biener  <rguenther@suse.de>
 
+	* alias.c (record_component_aliases): Do not walk BINFOs.
+
+2014-04-15  Richard Biener  <rguenther@suse.de>
+
 	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
 	Add struct function argument and adjust.
 	(find_func_aliases_for_call): Likewise.

gcc/alias.c

@@ -995,17 +995,6 @@ record_component_aliases (tree type)
     case RECORD_TYPE:
     case UNION_TYPE:
     case QUAL_UNION_TYPE:
-      /* Recursively record aliases for the base classes, if there are any.  */
-      if (TYPE_BINFO (type))
-	{
-	  int i;
-	  tree binfo, base_binfo;
-
-	  for (binfo = TYPE_BINFO (type), i = 0;
-	       BINFO_BASE_ITERATE (binfo, i, base_binfo); i++)
-	    record_alias_subset (superset,
-				 get_alias_set (BINFO_TYPE (base_binfo)));
-	}
       for (field = TYPE_FIELDS (type); field != 0; field = DECL_CHAIN (field))
 	if (TREE_CODE (field) == FIELD_DECL && !DECL_NONADDRESSABLE_P (field))
 	  record_alias_subset (superset, get_alias_set (TREE_TYPE (field)));