Updating secondary-ctr2.scala

Author: EnzeXing

tests/init/neg/secondary-ctor2.scala

@@ -6,7 +6,7 @@ class A(b: B, x: Int) {
     }
     Inner().foo()
 
-    val f = () => new A(b, 3)
+    val f = () => new A(b, 3) // error: Cannot promote
     f() // ok
   }
 }