Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

frog/tests/leg_only/throw2_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.
-
-void throw1() {
-  throw "foo";
-}
-
-void throw2() {
-  if (true) throw "foo";
-}
-
-void throw3() {
-  if (false) {
-    print("argh");
-  } else {
-    throw "foo";
-  }
-}
-
-void throw4() {
-  if (true) {
-    throw "foo";
-  } else {
-    throw "bar";
-  }
-}
-
-void nonThrow5() {
-  if (false) throw "foo";
-}
-
-void main() {
-  throw1();  /// 01: runtime error
-  throw2();  /// 02: runtime error
-  throw3();  /// 03: runtime error
-  throw4();  /// 04: runtime error
-  nonThrow5();
-}