diff -c -r1.341 analyze.c
*** src/backend/parser/analyze.c	2 Aug 2006 01:59:46 -0000	1.341
--- src/backend/parser/analyze.c	2 Aug 2006 05:13:20 -0000
***************
*** 2191,2196 ****
--- 2196,2202 ----
   	for (i = 0; i < sublist_length; i++)
   	{
   		coltypes[i] = select_common_type(coltype_lists[i], "VALUES");
+ 		list_free(coltype_lists[i]);
   	}

   	newExprsLists = NIL;