dart2js: Fast fix for deferred globals.

tests/compiler/dart2js/deferred_dont_inline_deferred_globals_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.
 
 // Test that the additional runtime type support is output to the right
 // Files when using deferred loading.
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'memory_source_file_helper.dart';
@@ skipping 44 matching lines @@
       return compiler.libraryLoader.lookupLibrary(Uri.parse(name));
     }
 
     var main = compiler.mainApp.find(dart2js.Compiler.MAIN);
     Expect.isNotNull(main, "Could not find 'main'");
     compiler.deferredLoadTask.onResolutionComplete(main);
 
     var outputUnitForElement = compiler.deferredLoadTask.outputUnitForElement;
 
     var lib1 = lookupLibrary("memory:lib1.dart");
-    var foo1 = lib1.find("foo");
+    var foo1 = lib1.find("finalVar");
     var ou_lib1 = outputUnitForElement(foo1);
 
-    var lib2 = lookupLibrary("memory:lib2.dart");
-    var foo2 = lib2.find("foo");
-    var ou_lib2 = outputUnitForElement(foo2);
-
-    var fooMain = compiler.mainApp.find("foo");
-    var ou_lib1_lib2 = outputUnitForElement(fooMain);
-
     String mainOutput = outputs["main.js"].mem.toString();
     String lib1Output = outputs["out_${ou_lib1.name}.part.js"].mem.toString();
-    String lib2Output = outputs["out_${ou_lib2.name}.part.js"].mem.toString();
-    String lib12Output =
-        outputs["out_${ou_lib1_lib2.name}.part.js"].mem.toString();
-    // Test that the deferred constants are not inlined into the main file.
+    // Test that the deferred globals are not inlined into the main file.
     RegExp re1 = new RegExp(r"= .string1");
     RegExp re2 = new RegExp(r"= .string2");
-    RegExp re3 = new RegExp(r"= 1010");
     Expect.isTrue(re1.hasMatch(lib1Output));
     Expect.isTrue(re2.hasMatch(lib1Output));
-    Expect.isTrue(re3.hasMatch(lib1Output));
     Expect.isFalse(re1.hasMatch(mainOutput));
     Expect.isFalse(re2.hasMatch(mainOutput));
-    Expect.isFalse(re3.hasMatch(mainOutput));
-    // Test that the non-deferred constant is inlined.
-    Expect.isTrue(new RegExp(r"print\(.string3.\)").hasMatch(mainOutput));
-    Expect.isFalse(new RegExp(r"= .string3").hasMatch(mainOutput));
-    Expect.isTrue(new RegExp(r"print\(.string4.\)").hasMatch(mainOutput));
-
-    // C(1) is shared between main, lib1 and lib2. Test that lib1 and lib2 each
-    // has a reference to it. It is defined in the main output file.
-    Expect.isTrue(new RegExp(r"C.C_1 =").hasMatch(mainOutput));
-    Expect.isFalse(new RegExp(r"= C.C_1").hasMatch(mainOutput));
-
-    Expect.isTrue(new RegExp(r"= C.C_1").hasMatch(lib1Output));
-    Expect.isTrue(new RegExp(r"= C.C_1").hasMatch(lib2Output));
-
-    // C(2) is shared between lib1 and lib2, each of them has their own
-    // reference to it.
-    Expect.isFalse(new RegExp(r"= C.C_2").hasMatch(mainOutput));
-
-    Expect.isTrue(new RegExp(r"= C.C_2").hasMatch(lib1Output));
-    Expect.isTrue(new RegExp(r"= C.C_2").hasMatch(lib2Output));
-    Expect.isTrue(new RegExp(r"C.C_2 =").hasMatch(lib12Output));
-
-    // "string4" is shared between lib1 and lib2, but it can be inlined.
-    Expect.isTrue(new RegExp(r"= .string4").hasMatch(lib1Output));
-    Expect.isTrue(new RegExp(r"= .string4").hasMatch(lib2Output));
-    Expect.isFalse(new RegExp(r"= .string4").hasMatch(lib12Output));
   }));
 }
 
 // Make sure that deferred constants are not inlined into the main hunk.
 const Map MEMORY_SOURCE_FILES = const {"main.dart": """
 import "dart:async";
 
 import 'lib1.dart' deferred as lib1;
-import 'lib2.dart' deferred as lib2;
-
-const c = "string3";
-
-class C {
-  final p;
-  const C(this.p);
-}
-
-foo() => print("main");
 
 void main() {
   lib1.loadLibrary().then((_) {
-    lib2.loadLibrary().then((_) {
-      lib1.foo();
-      lib2.foo();
-      print(lib1.C1);
-      print(lib1.C2);
-      print(lib1.C.C3);
-      print(c);
-      print(lib1.C4);
-      print(lib2.C4);
-      print(lib1.C5);
-      print(lib2.C5);
-      print(lib1.C6);
-      print(lib2.C6);
-      print("string4");
-      print(const C(1));
-    });
+    print(lib1.finalVar);
+    print(lib1.globalVar);
+    lib1.globalVar = "foobar";
+    print(lib1.globalVar);
   });
 }
 """, "lib1.dart": """
 import "main.dart" as main;
-const C1 = "string1";
-const C2 = 1010;
-class C {
-  static const C3 = "string2";
-}
-const C4 = "string4";
-const C5 = const main.C(1);
-const C6 = const main.C(2);
-foo() {
-  print("lib1");
-  main.foo();
-}
-""", "lib2.dart": """
-import "main.dart" as main;
-const C4 = "string4";
-const C5 = const main.C(1);
-const C6 = const main.C(2);
-foo() {
-  print("lib2");
-  main.foo();
-}
+final finalVar = "string1";
+var globalVar = "string2";
 """};