Removed IllegalAccessException and UnsupportedOperationException.

tests/language/ct_const_test.dart

 // Copyright (c) 2011, 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.
 // All things regarding compile time constant expressions.
 
 interface Roman {
   static const I = 1;
   static const II = 2;
   static const III = 3;
   static const IV = 4;
@@ skipping 72 matching lines @@
 
     Expect.equals(3, c11dItaly.length);
     Expect.equals(3, c11dItaly.getKeys().length);
     Expect.equals(true, c11dItaly.containsKey("white"));
     Expect.equals(false, c11dItaly.containsKey("black"));
 
     // Make sure the map object is immutable.
     bool caughtException = false;
     try {
       c11dItaly["green"] = 0;
-    } on IllegalAccessException catch (e) {
+    } on UnsupportedError catch (e) {
       caughtException = true;
     }
     Expect.equals(true, caughtException);
     Expect.equals(1, c11dItaly["green"]);
 
     caughtException = false;
     try {
       c11dItaly.clear();
-    } on IllegalAccessException catch (e) {
+    } on UnsupportedError catch (e) {
       caughtException = true;
     }
     Expect.equals(true, caughtException);
     Expect.equals(1, c11dItaly["green"]);
 
     caughtException = false;
     try {
       c11dItaly.remove("orange");
-    } on IllegalAccessException catch (e) {
+    } on UnsupportedError catch (e) {
       caughtException = true;
     }
     Expect.equals(true, caughtException);
     Expect.equals(1, c11dItaly["green"]);
 
     Expect.equals(true, null === naught);
   }
 }
 
 main() {
   CTConstTest.testMain();
 }