--- regfree.c.orig	2004-11-25 11:38:33.000000000 -0800
+++ regfree.c	2005-04-04 15:16:04.000000000 -0700
@@ -81,6 +81,7 @@
 			free(g->sets[i].ranges);
 			free(g->sets[i].wides);
 			free(g->sets[i].types);
+			free(g->sets[i].equiv_classes);
 		}
 		free((char *)g->sets);
 	}