add array comprehension this and arguments tests

test/fixtures/syntax/array-comprehension/arguments/actual.js

@@ -0,0 +1,5 @@
+function add() {
+  return [for (i of [1, 2, 3]) i * arguments[0]];
+}
+
+add(5);

test/fixtures/syntax/array-comprehension/arguments/expected.js

@@ -0,0 +1,8 @@
+function add() {
+  var _arguments = arguments;
+  return [1, 2, 3].map(function () {
+    return i * _arguments[0];
+  });
+}
+
+add(5);

test/fixtures/syntax/array-comprehension/this/actual.js

@@ -0,0 +1,5 @@
+function add() {
+  return [for (i of [1, 2, 3]) i * this.multiplier];
+}
+
+add.call({ multiplier: 5 });

test/fixtures/syntax/array-comprehension/this/expected.js

@@ -0,0 +1,8 @@
+function add() {
+  var _this = this;
+  return [1, 2, 3].map(function () {
+    return i * _this.multiplier;
+  });
+}
+
+add.call({ multiplier: 5 });