*** pgsql/src/backend/utils/mmgr/aset.c	2009/07/21 19:53:12	1.80
--- pgsql/src/backend/utils/mmgr/aset.c	2010/01/01 19:57:07	1.81
***************
*** 11,17 ****
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/mmgr/aset.c,v 1.79 2009/06/11 14:49:06 momjian Exp $
   *
   * NOTE:
   *	This is a new (Feb. 05, 1999) implementation of the allocation set
--- 11,17 ----
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/mmgr/aset.c,v 1.80 2009/07/21 19:53:12 tgl Exp $
   *
   * NOTE:
   *	This is a new (Feb. 05, 1999) implementation of the allocation set
*************** AllocSetAlloc(MemoryContext context, Siz
*** 698,708 ****
  				 * freelist than the one we need to put this chunk on.	The
  				 * exception is when availchunk is exactly a power of 2.
  				 */
! 				if (availchunk != (1 << (a_fidx + ALLOC_MINBITS)))
  				{
  					a_fidx--;
  					Assert(a_fidx >= 0);
! 					availchunk = (1 << (a_fidx + ALLOC_MINBITS));
  				}
  
  				chunk = (AllocChunk) (block->freeptr);
--- 698,708 ----
  				 * freelist than the one we need to put this chunk on.	The
  				 * exception is when availchunk is exactly a power of 2.
  				 */
! 				if (availchunk != ((Size) 1 << (a_fidx + ALLOC_MINBITS)))
  				{
  					a_fidx--;
  					Assert(a_fidx >= 0);
! 					availchunk = ((Size) 1 << (a_fidx + ALLOC_MINBITS));
  				}
  
  				chunk = (AllocChunk) (block->freeptr);