Function same_value

deps/v8/test/wasm-js/third_party/testharness.js:1143–1153

(x, y)

    expose(assert_false, "assert_false");

    function same_value(x, y) {
        if (y !== y) {
            //NaN case
            return x !== x;
        }
        if (x === 0 && y === 0) {
            //Distinguish +0 and -0
            return 1/x === 1/y;
        }
        return x === y;
    }

    function assert_equals(actual, expected, description)
    {