Turn getters and setters that we know are not intercepted into regular getter and setter calls.

tests/compiler/dart2js/interceptor_test.dart

 // Copyright (c) 2013, 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.
 
 import 'compiler_helper.dart';
 
 const String TEST_ONE = r"""
   foo(a) {
     // Make sure there is a bailout version.
     foo(a);
     // This will make a one shot interceptor that will be optimized in
     // the non-bailout version because we know a is a number.
     return (a + 42).toString;
   }
 """;
 
 const String TEST_TWO = r"""
   foo(a) {
     var myVariableName = a + 42;
     print(myVariableName);
     print(myVariableName);
   }
 """;
 
+const String TEST_THREE = r"""
+  class A {
+    var length;
+  }
+  foo(a) {
+    print([]); // Make sure the array class is instantiated.
+    return new A().length + a.length;
+  }
+""";
+
 main() {
   var generated = compile(TEST_ONE, entry: 'foo');
   // Check that the one shot interceptor got converted to a direct
   // call to the interceptor object.
   Expect.isTrue(generated.contains('CONSTANT.get\$toString(a + 42);'));
 
   // Check that one-shot interceptors preserve variable names, see
   // https://code.google.com/p/dart/issues/detail?id=8106.
   generated = compile(TEST_TWO, entry: 'foo');
   Expect.isTrue(generated.contains('\$.\$\$add(a, 42)'));
   Expect.isTrue(generated.contains('myVariableName'));
+
+  // Check that an intercepted getter that does not need to be
+  // intercepted, is turned into a regular getter call or field
+  // access.
+  generated = compile(TEST_THREE, entry: 'foo');
+  Expect.isFalse(generated.contains(r'get$length'));
+  Expect.isTrue(generated.contains(r'$.A$().length'));
+  Expect.isTrue(generated.contains(r'length(a)'));
 }