rename own binding inside constructor if it collides with our class reference - fixes #1077

test/core/fixtures/transformation/es6.classes/constructor-binding-collision/actual.js

@@ -0,0 +1,7 @@
+class Example {
+  constructor() {
+    var Example;
+  }
+}
+
+let t = new Example();

test/core/fixtures/transformation/es6.classes/constructor-binding-collision/expected.js

@@ -0,0 +1,9 @@
+"use strict";
+
+var Example = function Example() {
+  babelHelpers.classCallCheck(this, Example);
+
+  var _Example;
+};
+
+var t = new Example();