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

function testDivisionFloat() {
    var a = 32768.0;
    var b;
    while (b !== 1) {
        b = a / 2.0;
        a = b;
    }
    return a === 1.0;
}
assertEq(testDivisionFloat(), true);