[Bug tree-optimization/43528] ICE: in tree_low_cst, at tree.c:6198 with -mms-bitfields at x86_64-linux

[ubizjak at gmail dot com]

------- 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