Index: query.c
===================================================================
--- query.c	(revision 33061)
+++ query.c	(revision 33062)
@@ -163,11 +163,13 @@
 		case PCBQ_DATA_INVALID:
 		case PCBQ_DATA_LYTC:
 		case PCBQ_VAR:
+		case PCBQ_ARG:
 			/* no allocated field */
 			break;
 
 		case PCBQ_LET:
 		case PCBQ_ASSERT:
+		case PCBQ_RETURN:
 		case PCBQ_FUNCTION:
 			if (nd->precomp.it_active != NULL) {
 				vti0_uninit(nd->precomp.it_active);