add traceur test suite

test/fixtures/traceur/Classes/NestedFunctionSuper.js

@@ -0,0 +1,76 @@
+class SuperBase {
+  m() { return 40; }
+  get x () { return this.baseX; }
+  set x (value) { this.baseX = value; }
+  constructor() {
+    this.baseC = 2;
+    this.baseX = 4;
+  }
+}
+
+class SuperDerived extends SuperBase {
+  m() { return 41; }
+  superM() {
+    return (function() {
+      return super.m();
+    })();
+  }
+  superX() {
+    return (function() {
+      return super.x;
+    })();
+  }
+  superX2() {
+    return (function() {
+      return (function() {
+        return super.x;
+      })();
+    })();
+  }
+  superX2F() {
+    return function() {
+      return (function() {
+        return super.x;
+      })();
+    };
+  }
+  get superXprop() {
+    return (function() {
+      return super.x;
+    })();
+  }
+  set superXprop(v) {
+    return (function() {
+      super.x = v;
+    })();
+  }
+  constructor() {
+    this.x = 10;
+    this.derC = 3;
+    (function() { super(); })();
+  }
+}
+
+// ----------------------------------------------------------------------------
+
+var obj = new SuperDerived();
+assert.equal(41, obj.m());
+assert.equal(40, obj.superM());
+
+assert.equal(4, obj.baseX);
+assert.equal(4, obj.x);
+assert.equal(4, obj.superX());
+assert.equal(4, obj.superX2());
+assert.equal(4, obj.superX2F()());
+assert.equal(4, obj.superXprop);
+
+obj.superXprop = 5;
+assert.equal(5, obj.baseX);
+assert.equal(5, obj.x);
+assert.equal(5, obj.superX());
+assert.equal(5, obj.superX2());
+assert.equal(5, obj.superX2F()());
+assert.equal(5, obj.superXprop);
+
+assert.equal(2, obj.baseC);
+assert.equal(3, obj.derC);