re PR sanitizer/67867 (UBSan bootstrap fails with error: ‘otype’ may be used…

re PR sanitizer/67867 (UBSan bootstrap fails with error: ‘otype’ may be used uninitialized in this function [-Werror=maybe-uninitialized])

	PR sanitizer/67867
	* search.c (accessible_p): Initialize OTYPE to NULL_TREE.

From-SVN: r228569

gcc/cp/ChangeLog

 2015-10-07  Marek Polacek  <polacek@redhat.com>
 
+	PR sanitizer/67867
+	* search.c (accessible_p): Initialize OTYPE to NULL_TREE.
+
+2015-10-07  Marek Polacek  <polacek@redhat.com>
+
 	* cp-gimplify.c (genericize_if_stmt): Use protected_set_expr_location.
 	(genericize_cp_loop): Likewise.
 	* decl.c (cxx_maybe_build_cleanup): Likewise.

gcc/cp/search.c

@@ -961,7 +961,7 @@ accessible_p (tree type, tree decl, bool consider_local_p)
       && (!processing_template_parmlist || processing_template_decl > 1))
     return 1;
 
-  tree otype;
+  tree otype = NULL_TREE;
   if (!TYPE_P (type))
     {
       /* When accessing a non-static member, the most derived type in the