src/third_party/mozjs-45/js/src/jit-test/tests/basic/testBug462407.js

//test no multitrees assert
function testBug462407() {
    for each (let i in [0, {}, 0, 1.5, {}, 0, 1.5, 0, 0]) { }
    return true;
}
assertEq(testBug462407(), true);