MEM_Cleared      71947 ext/sqlite3/libsqlite/sqlite3.c   pOut->flags = nullFlag = pOp->p1 ? (MEM_Null|MEM_Cleared) : MEM_Null;
MEM_Cleared      72736 ext/sqlite3/libsqlite/sqlite3.c       assert( (flags1 & MEM_Cleared)==0 );
MEM_Cleared      72740 ext/sqlite3/libsqlite/sqlite3.c        && (flags3&MEM_Cleared)==0