Index: abstract.c
===================================================================
--- abstract.c	(revision 3179)
+++ abstract.c	(revision 3180)
@@ -108,6 +108,7 @@
 {
 	dst->type = type;
 	csch_attrib_init(&dst->attr);
+	dst->abst = abs;
 
 	/* assign unique aid */
 	dst->aid = abs->next_aid;