re PR c++/41788 (-Wpacked option changes the layout of packed non-POD structs)

	PR c++/41788
	* stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
	based on a warning flag.

From-SVN: r158166

gcc/ChangeLog

+2010-04-09  Jason Merrill  <jason@redhat.com>
+
+	PR c++/41788
+	* stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
+	based on a warning flag.
+
 2010-04-09  Richard Guenther  <rguenther@suse.de>
 
 	* tree-pretty-print.c (dump_generic_node): Dump

gcc/stor-layout.c

@@ -1506,8 +1506,6 @@ finalize_record_size (record_layout_info rli)
       unpacked_size = round_up_loc (input_location, TYPE_SIZE (rli->t), rli->unpacked_align);
       if (simple_cst_equal (unpacked_size, TYPE_SIZE (rli->t)))
 	{
-	  TYPE_PACKED (rli->t) = 0;
-
 	  if (TYPE_NAME (rli->t))
 	    {
 	      tree name;