(layout_record, PCC_BITFIELD_TYPE_MATTERS): Round up when calculating

possible end address.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14326 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 8c2357a..83bfb99 100644 (file)
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -440,7 +440,8 @@ layout_record (rec)
 
          /* A bit field may not span more units of alignment of its type
             than its type itself.  Advance to next boundary if necessary.  */
-         if (((const_size + field_size) / type_align - const_size / type_align)
+         if (((const_size + field_size + type_align - 1) / type_align
+              - const_size / type_align)
              > TREE_INT_CST_LOW (TYPE_SIZE (TREE_TYPE (field))) / type_align)
            const_size = CEIL (const_size, type_align) * type_align;
        }