--TEST--
ISSUE #183 (TMP_VAR is not only used once)
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.optimization_level=-1
--SKIPIF--
<?php require_once('skipif.inc'); ?>
<?php if (PHP_OS != "Linux") die("skip, only for linux"); ?>
--FILE--
<?php

switch (PHP_OS) {
    case "Windows":
    break;
    case "Darwin":
    break;
    case "Linux":
        echo "okey";
    break;
    default:
    break;
}
?>
--EXPECT--
okey