--- sed/compile.c	2012/03/23 16:42:18	1.1
+++ sed/compile.c	2012/03/23 16:42:36
@@ -870,6 +870,7 @@
 
   tail->next = NULL;
   sub->replacement = root.next;
+  free(base);
 }
 
 static void read_text P_((struct text_buf *buf, int leadin_ch));