+/* Handle a "fn spec" attribute; arguments as in
+ struct attribute_spec.handler. */
+
+static tree
+handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED, tree ARG_UNUSED (name),
+ tree args, int ARG_UNUSED (flags),
+ bool *no_add_attrs ATTRIBUTE_UNUSED)
+{
+ gcc_assert (args
+ && TREE_CODE (TREE_VALUE (args)) == STRING_CST
+ && !TREE_CHAIN (args));
+ return NULL_TREE;
+}
+