Move generated files to gen/.

test/codegen/misc.dart

-// Copyright (c) 2015, 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.
-
-
-// Codegen dependency order test
-const UNINITIALIZED = const _Uninitialized();
-class _Uninitialized { const _Uninitialized(); }
-
-class Generic<T> {
-  Type get type => Generic;
-  // type parameter type literals
-  m() => print(T);
-}
-
-// super ==
-// https://github.com/dart-lang/dev_compiler/issues/226
-class Base {
-  int x = 1, y = 2;
-  operator==(obj) {
-    return obj is Base && obj.x == x && obj.y == y;
-  }
-}
-class Derived {
-  int z = 3;
-  operator==(obj) {
-    return obj is Derived && obj.z == z && super == obj;
-  }
-}
-
-// string escape tests
-// https://github.com/dart-lang/dev_compiler/issues/227
-bool _isWhitespace(String ch) =>
-    ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t';
-
-const expr = 'foo';
-const _escapeMap = const {
-  '\n': r'\n',
-  '\r': r'\r',
-  '\f': r'\f',
-  '\b': r'\b',
-  '\t': r'\t',
-  '\v': r'\v',
-  '\x7F': r'\x7F', // delete
-  '\${${expr}}': ''
-};
-
-
-main() {
-  // Number literals in call expressions.
-  print(1.toString());
-  print(1.0.toString());
-  print(1.1.toString());
-
-  // Type literals, #184
-  dynamic x = 42;
-  print(x == dynamic);
-  print(x == Generic);
-
-  // Should be Generic<dynamic>
-  print(new Generic<int>().type);
-
-  print(new Derived() == new Derived()); // true
-
-  new Generic<int>().m();
-}