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-rw-r--r--gcc/ada/ada-tree.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/ada/ada-tree.h b/gcc/ada/ada-tree.h
index 53087a7..b1904a4 100644
--- a/gcc/ada/ada-tree.h
+++ b/gcc/ada/ada-tree.h
@@ -43,7 +43,8 @@ struct tree_loop_id GTY(())
/* The language-specific tree. */
union lang_tree_node
- GTY((desc ("TREE_CODE (&%h.generic) == GNAT_LOOP_ID")))
+ GTY((desc ("TREE_CODE (&%h.generic) == GNAT_LOOP_ID"),
+ chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
{
union tree_node GTY ((tag ("0"),
desc ("tree_node_structure (&%h)")))