[Fix] fix Safari 12.0 bug

Author: ljharb

polyfill.js

@@ -6,7 +6,13 @@ module.exports = function getPolyfill() {
 	if (!Array.prototype.reverse) {
 		return implementation;
 	}
+	var a = [1, 2]; // safari 12.0
+	if (String(a) === String(a.reverse())) {
+		return implementation;
+	}
+
 	try {
+		// node < 4
 		Array.prototype.reverse.call('abc');
 		return implementation;
 	} catch (e) {

test/tests.js

@@ -38,4 +38,7 @@ module.exports = function (reverse, t) {
 	t.deepEqual(sparse4, [4, , , 1], 'original sparse array is reversed');
 	t.deepEqual(sparse4R, [4, , , 1], 'returned sparse array is reversed');
 	t.equal(sparse4, sparse4R, 'returned sparse array is the original sparse array');
+
+	var arr = [1, 2];
+	t.notEqual(String(arr), String(reverse(arr), 'does not have safari 12.0 bug'));
 };