Improve parser error recovery.

dart/tests/language/keyword_type_expression_test.dart

Index: dart/tests/language/keyword_type_expression_test.dart
diff --git a/dart/tests/language/keyword_type_expression_test.dart b/dart/tests/language/keyword_type_expression_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..66755b9d9599513047ce4f059bf656c632120f3a
--- /dev/null
+++ b/dart/tests/language/keyword_type_expression_test.dart
@@ -0,0 +1,15 @@
+// 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 a keyword can't be used as type.  Serves as regression test for
+// crashes in dart2js.
+
+in greeting = "fisk";  /// 01: compile-time error
+
+main(
+in greeting  /// 02: compile-time error
+) {
+  in greeting = "fisk";  /// 03: compile-time error
+  print(greeting);  /// 01: continued
+}