Index: src/vdbeaux.c
==================================================================
--- src/vdbeaux.c
+++ src/vdbeaux.c
@@ -1610,11 +1610,11 @@
   sqlite3 *db = p->db;                 /* The database connection */
   int i;                               /* Loop counter */
   int rc = SQLITE_OK;                  /* Return code */
   Mem *pMem = &p->aMem[1];             /* First Mem of result set */
   int bFull = (p->explain==1 || (db->flags & SQLITE_FullEQP));
-  Op *pOp;
+  Op *pOp = 0;
 
   assert( p->explain );
   assert( p->magic==VDBE_MAGIC_RUN );
   assert( p->rc==SQLITE_OK || p->rc==SQLITE_BUSY || p->rc==SQLITE_NOMEM );