newer version

1986-04-12 02:21:24 +00:00
parent 64a9f1e5d7
commit 7d76f2829a
8 changed files with 177 additions and 76 deletions
--- a/lang/m2/comp/node.c
+++ b/lang/m2/comp/node.c
@@ -38,6 +38,7 @@ FreeNode(nd)
 	/*	Put nodes that are no longer needed back onto the free
 		list
 	*/
+	if (!nd) return;
 	if (nd->nd_left) FreeNode(nd->nd_left);
 	if (nd->nd_right) FreeNode(nd->nd_right);
 	free_node(nd);