function test2() {
    var m = 10;                /**bp:locals();resume('step_over');locals();resume('step_over');locals();resume('step_over');locals();resume('step_over');locals();**/
    m = o.b;
    o.b = 31;
    m = sum(o.b, o.b);
}
bp:locals();resume('step_over');locals();resume('step_over');locals();resume('step_over');locals();resume('step_over');locals();*