Issue 6710. Report error for function libteral with return type and name.

compiler/javatests/com/google/dart/compiler/parser/ClassesInterfaces.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class Object {
   var x;
   int foo() {
     return 42;
   }
   bar(int x, int y, z) { }
@@ skipping 59 matching lines @@
   }
 
   int hest(a) {
     for (var i = 0; i < a.length; i++) {
       a.b.c.f().g[i] += foo(i);
       int kuk = 42;
       (kuk);
       id(x) { return x; }
       int id(x) { return x; }
       Box<int, double> id(x) { return x; }
-      var f = hest() { };
-      var f = int horse() { };
-      var f = Box<int> llama() { };
-      var f = Box<int, double> llama() { };
+      var f = () { };
       assert(x == 12);
-      id(void foo(x) {});
-      id(foo(x) {});
-      id(Box<int> foo(x) {});
-      id(Box<int, double> foo(x) {});
-      id(Box<int, double> foo);
+      id((x) {});
       a < b;
       int x = a < b;
       id(() {});
-      id(void _() {});
     }
   }
 
   Baz.superOnly(x, y, z) : super(x, y, z) {}
   Baz.superAndInit(x, y, z) : super(x, y, z), this.y = 2 {}
   Baz.superAndInits(x, y, z) : super(x, y, z), this.y = 2, this.x = 4 {}
 
   // Try all kinds of formal parameters.
   void fisk(final a,
             b,
@@ skipping 13 matching lines @@
 
 // Test bounds on type parameters
 abstract class Bar<K extends Foo, V> implements Foo {
 }
 
 abstract class Bar<K extends Foo, V extends Foo> implements Foo {
 }
 
 abstract class Bar<K, V extends Foo> implements Foo {
 }