Index: src/vdbemem.c ================================================================== --- src/vdbemem.c +++ src/vdbemem.c @@ -153,11 +153,11 @@ testcase( bPreserve && pMem->z==0 ); assert( pMem->szMalloc==0 || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) ); if( n<32 ) n = 32; - if( bPreserve && pMem->szMalloc>0 && pMem->z==pMem->zMalloc ){ + if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){ pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n); bPreserve = 0; }else{ if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc); pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n); @@ -169,11 +169,12 @@ return SQLITE_NOMEM_BKPT; }else{ pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc); } - if( bPreserve && pMem->z && ALWAYS(pMem->z!=pMem->zMalloc) ){ + if( bPreserve && pMem->z ){ + assert( pMem->z!=pMem->zMalloc ); memcpy(pMem->zMalloc, pMem->z, pMem->n); } if( (pMem->flags&MEM_Dyn)!=0 ){ assert( pMem->xDel!=0 && pMem->xDel!=SQLITE_DYNAMIC ); pMem->xDel((void *)(pMem->z));