* stor-layout.c (layout_type): Do not allow alignment of array

	elements to be greater than their size.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105095 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a5f0110..e0930b0 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
 
+       * stor-layout.c (layout_type): Do not allow alignment of array
+       elements to be greater than their size.
+
+2005-10-07  Steve Ellcey  <sje@cup.hp.com>
+
        * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
        host_xmake_file.
        (hppa*-*-linux*): Ditto.

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index f7bf20b..aec80a3 100644 (file)
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -1817,6 +1817,12 @@ layout_type (tree type)
                TYPE_MODE (type) = BLKmode;
              }
          }
+       if (TYPE_SIZE_UNIT (element)
+           && TREE_CODE (TYPE_SIZE_UNIT (element)) == INTEGER_CST
+           && !integer_zerop (TYPE_SIZE_UNIT (element))
+           && compare_tree_int (TYPE_SIZE_UNIT (element),
+                                TYPE_ALIGN_UNIT (element)) < 0)
+         error ("alignment of array elements is greater than element size");
        break;
       }