refer to parent arguments inside arrow functions - fixes #39

test/fixtures/arrow-functions/arguments/actual.js

@@ -0,0 +1,16 @@
+function outer() {
+  var inner = () => arguments;
+  return [].slice.call(inner());
+}
+console.log(outer(1, 2));
+
+function outer() {
+  var inner = () => arguments;
+
+  var another = function () {
+    var inner2 = () => arguments;
+  };
+
+  return [].slice.call(inner());
+}
+console.log(outer(1, 2));

test/fixtures/arrow-functions/arguments/expected.js

@@ -0,0 +1,19 @@
+function outer() {
+  var _arguments = arguments;
+  var inner = function () { return _arguments; };
+  return [].slice.call(inner());
+}
+console.log(outer(1, 2));
+
+function outer() {
+  var _arguments2 = arguments;
+  var inner = function () { return _arguments2; };
+
+  var another = function () {
+    var _arguments3 = arguments;
+    var inner2 = function () { return _arguments3; };
+  };
+
+  return [].slice.call(inner());
+}
+console.log(outer(1, 2));