Use correct compilation unit for inlined field initializers.

tests/language/inline_super_field_lib.dart

Index: tests/language/inline_super_field_lib.dart
diff --git a/tests/language/inline_super_field_lib.dart b/tests/language/inline_super_field_lib.dart
new file mode 100644
index 0000000000000000000000000000000000000000..dbc3ea676413778504b0860f90efb30c1ec7bd3d
--- /dev/null
+++ b/tests/language/inline_super_field_lib.dart
@@ -0,0 +1,25 @@
+// Copyright (c) 2013, 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.
+
+library inline_super_field_lib;
+
+// The comment is inserted to ensure that the offset of [bar] is not within
+// the length of the [:inline_super_field_test.dart] script.
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+
+var i = 0;
+
+class M1 {
+  final bar = ++i;
+}