root/ext/opcache/Optimizer/pass9.c

/* [<][>][^][v][top][bottom][index][help] */
/* pass 9
 *
 * - optimize usage of temporary variables
 */

if (ZEND_OPTIMIZER_PASS_9 & OPTIMIZATION_LEVEL) {
        optimize_temporary_variables(op_array);
}

/* [<][>][^][v][top][bottom][index][help] */