delay this assignment when referencing this inside an arrow function pre-bare super in derived class constructors - fixes #1920

test/core/fixtures/transformation/es6.classes/delay-arrow-function-for-bare-super-derived/actual.js

@@ -0,0 +1,7 @@
+class Foo extends Bar {
+  constructor() {
+    super(() => {
+      this.test;
+    });
+  }
+}

test/core/fixtures/transformation/es6.classes/delay-arrow-function-for-bare-super-derived/expected.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var Foo = (function (_Bar) {
+  function Foo() {
+    babelHelpers.classCallCheck(this, Foo);
+
+    babelHelpers.get(Object.getPrototypeOf(Foo.prototype), "constructor", this).call(this, function () {
+      _this.test;
+    });
+
+    var _this = this;
+  }
+
+  babelHelpers.inherits(Foo, _Bar);
+  return Foo;
+})(Bar);