*** parse_expr.c.orig	Sat Sep 11 13:27:11 1999
--- parse_expr.c	Sat Sep 11 13:24:03 1999
***************
*** 410,416 ****
  					 * only bother with conversion if not NULL and
  					 * different type...
  					 */
! 					if (wtype && (wtype != ptype))
  					{
  						if (can_coerce_type(1, &wtype, &ptype))
  						{
--- 410,417 ----
  					 * only bother with conversion if not NULL and
  					 * different type...
  					 */
! 					if (wtype && (wtype != UNKNOWNOID)
! 						&& (wtype != ptype))
  					{
  						if (can_coerce_type(1, &wtype, &ptype))
  						{