tree.c (free_lang_data_in_type, [...]): Also free unnecesary type decls.

	* tree.c (free_lang_data_in_type, find_decls_types_r): Also free
	unnecesary type decls.
	* tree.h (is_redundant_typedef): Declare.
	* dwarf2out.c (is_redundant_typedef): Export; booleanize

From-SVN: r231588

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index aef825d..96ffa83 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -5386,6 +5386,7 @@ extern void gt_pch_nx (tree &);
 extern void gt_pch_nx (tree &, gt_pointer_operator, void *);
 
 extern bool nonnull_arg_p (const_tree);
+extern bool is_redundant_typedef (const_tree);
 
 extern location_t
 set_source_range (tree expr, location_t start, location_t finish);