Revert "Cleanup TypedSelector.appliesUnnamed"

pkg/compiler/lib/src/universe/universe.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.
 
 library universe;
 
 import '../elements/elements.dart';
 import '../dart2jslib.dart';
 import '../dart_types.dart';
 import '../types/types.dart';
@@ skipping 826 matching lines @@
           => new TypedSelector(new TypeMask.subclass(base, world),
                                selector, world);
 
   factory TypedSelector.subtype(
       ClassElement base, Selector selector, World world)
           => new TypedSelector(new TypeMask.subtype(base, world),
                                selector, world);
 
   bool appliesUnnamed(Element element, World world) {
     assert(sameNameHack(element, world));
+    // [TypedSelector] are only used after resolution.
+    if (!element.isClassMember) return false;
+
+    // A closure can be called through any typed selector:
+    // class A {
+    //   get foo => () => 42;
+    //   bar() => foo(); // The call to 'foo' is a typed selector.
+    // }
+    if (element.enclosingClass.isClosure) {
+      return appliesUntyped(element, world);
+    }
+
     if (!mask.canHit(element, this, world)) return false;
     return appliesUntyped(element, world);
   }
 
   Selector extendIfReachesAll(Compiler compiler) {
     bool canReachAll = compiler.enabledInvokeOn
         && mask.needsNoSuchMethodHandling(this, compiler.world);
     return canReachAll
         ? new TypedSelector(
             compiler.typesTask.dynamicType, this, compiler.world)
         : this;
   }
 }