Index: src/vdbe.c
==================================================================
--- src/vdbe.c
+++ src/vdbe.c
@@ -41,11 +41,11 @@
 ** documentation, headers files, or other derived files.  The formatting
 ** of the code in this file is, therefore, important.  See other comments
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.636 2007/07/01 21:18:40 drh Exp $
+** $Id: vdbe.c,v 1.637 2007/07/21 19:41:46 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
 #include <ctype.h>
 #include <math.h>
@@ -4304,11 +4304,11 @@
   j = pOp->p1;
   assert( j>=0 && j<p->nMem );
   pnErr = &p->aMem[j];
   assert( (pnErr->flags & MEM_Int)!=0 );
   for(j=0; j<nRoot; j++){
-    aRoot[j] = pTos[-j].u.i;
+    aRoot[j] = (pTos-j)->u.i;
   }
   aRoot[j] = 0;
   popStack(&pTos, nRoot);
   pTos++;
   z = sqlite3BtreeIntegrityCheck(db->aDb[pOp->p2].pBt, aRoot, nRoot,