------- Comment #9 from ubizjak at gmail dot com 2010-03-27 12:52 ------- This patch also works:
Index: stor-layout.c =================================================================== --- stor-layout.c (revision 157756) +++ stor-layout.c (working copy) @@ -1346,11 +1346,12 @@ place_field (record_layout_info rli, tre until we see a bitfield (and come by here again) we just skip calculating it. */ if (DECL_SIZE (field) != NULL - && host_integerp (TYPE_SIZE (TREE_TYPE (field)), 0) - && host_integerp (DECL_SIZE (field), 0)) + && host_integerp (TYPE_SIZE (TREE_TYPE (field)), 1) + && host_integerp (DECL_SIZE (field), 1)) { - HOST_WIDE_INT bitsize = tree_low_cst (DECL_SIZE (field), 1); - HOST_WIDE_INT typesize + unsigned HOST_WIDE_INT bitsize + = tree_low_cst (DECL_SIZE (field), 1); + unsigned HOST_WIDE_INT typesize = tree_low_cst (TYPE_SIZE (TREE_TYPE (field)), 1); if (typesize < bitsize) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43528