Fix crash in typechecker

tests/language/regress_21793_test.dart

 // Copyright (c) 2014, 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.
 
+// Regression test for issue 21793.
+
 import 'package:expect/expect.dart';
 
-foo() {
+test() {
   try {
-    try {
-      return 1;
-    } catch (e1) {
-    } finally {
-      return 3;
-    }
-  } catch (e2) {
-  } finally  {
-    return 5;
+    print(new A()(499)); /// 01: static type warning
+    Expect.fail('Expected NoSuchMethodError');
+  } catch (e) {
   }
 }
-
-
 main() {
-  Expect.equals(5, foo());
+  test();  /// 01: continued

[floitsch, 2014/12/09 14:00:15]

Nit:
I prefer to be more minimalistic in what we remove.
If there was a typo in the "print" line, that it might not test the right thing.

/*   /// 01: static type warning, runtime error
class A { call(x) => x; }
*/   /// 01: continued

main() {
  print(new A()(499));
}

[Johnni Winther, 2014/12/10 08:37:19]

Done.

 }