Fix for 27467 - dart2js error with re-entrant static initializer

tests/language/lazy_static8_test.dart

Index: tests/language/lazy_static8_test.dart
diff --git a/tests/language/lazy_static8_test.dart b/tests/language/lazy_static8_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..812219f7be0f4dd78d7ea0ac496a8c3f50be50d8
--- /dev/null
+++ b/tests/language/lazy_static8_test.dart
@@ -0,0 +1,73 @@
+// Copyright (c) 2017, 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.
+
+import "package:expect/expect.dart";
+
+// Test re-entrant initializer - calls throw CyclicInitializationError.
+
+var trace;
+
+final foo = bar;
+
+get bar {
+  trace.add('bar');
+  try {
+    return foo ?? 1;
+  } catch (e) {
+    trace.add(e is CyclicInitializationError);
+  }
+  try {
+    return foo ?? 2;
+  } catch (e) {
+    trace.add(e is CyclicInitializationError);
+  }
+  return 42;  
+}
+
+void testTopLevel() {
+  trace = [];
+  var result = foo;
+  Expect.equals(42, result);
+  Expect.equals('bar,true,true', trace.join(','));
+  trace = [];
+  result = foo;
+  Expect.equals(42, result);
+  Expect.equals('', trace.join(','));
+
+}
+
+class X {
+  static final foo = X.bar;
+
+  static get bar {
+    trace.add('X.bar');
+    try {
+      return foo ?? 1;
+    } catch (e) {
+      trace.add(e is CyclicInitializationError);
+    }
+    try {
+      return foo ?? 2;
+    } catch (e) {
+      trace.add(e is CyclicInitializationError);
+    }
+    return 49;  
+  }
+}
+
+void testClassStatic() {
+  trace = [];
+  var result = X.foo;
+  Expect.equals(49, result);
+  Expect.equals('X.bar,true,true', trace.join(','));
+  trace = [];
+  result = X.foo;
+  Expect.equals(49, result);
+  Expect.equals('', trace.join(','));
+}
+
+main() {
+  testTopLevel();
+  testClassStatic();
+}