Check for cyclic reference in typedefs

tests/co19/co19-dart2js.status

 # Copyright (c) 2012, 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.
 
 [ $compiler == dart2js && $runtime == drt ]
 LibTest/core/List/sort_A01_t02: Pass, Fail # v8 bug: Issue 12293
 LibTest/core/List/sort_A01_t03: Pass, Fail # v8 bug: Issue 12293
 LibTest/core/Map/Map_class_A01_t04: Pass, Fail # v8 bug: Issue 12293
 
 [ $compiler == dart2js && $runtime == jsshell ]
@@ skipping 312 matching lines @@
 Language/12_Expressions/22_Equality_A01_t16: Fail # Checks that equality expressions cannot be operands of another equality expression.
 Language/12_Expressions/23_Relational_Expressions_A01_t10: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/12_Expressions/23_Relational_Expressions_A01_t11: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/12_Expressions/23_Relational_Expressions_A01_t12: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/12_Expressions/23_Relational_Expressions_A01_t13: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/12_Expressions/30_Identifier_Reference_A04_t09: Fail # Checks that it is a compile-time error when a built-in identifier dynamic is used as the declared name of a type variable.
 Language/12_Expressions/30_Identifier_Reference_A05_t01: Fail # Checks that it is a compile-time error when a built-in identifier "abstract" is used as a type annotation of a local variable.
 Language/12_Expressions/30_Identifier_Reference_A05_t12: Fail # Checks that it is a compile-time error when a built-in identifier "static" is used as a type annotation of a local variable.
 Language/14_Libraries_and_Scripts/5_URIs_A01_t24: Fail # Checks that it is a compile-time error when the URI in a part directive consists of two adjacent string literals instead of one.
 Language/14_Libraries_and_Scripts/5_URIs_A01_t25: Fail # Checks that it is a compile-time error when the URI in a part directive consists of two adjacent multi-line string literals  instead of one.
-Language/15_Types/3_Type_Declarations/1_Typedef_A07_t01: Fail # Checks that self-referencing typedef is not allowed (return value type annotation has the same name as the type alias).
-Language/15_Types/3_Type_Declarations/1_Typedef_A07_t02: Fail # Checks that self-referencing typedef is not allowed (positional formal parameter type annotation has the same name as the type alias).
-Language/15_Types/3_Type_Declarations/1_Typedef_A07_t03: Fail # Checks that self-referencing typedef is not allowed (positional optional parameter type annotation has the same name as the type alias).
-Language/15_Types/3_Type_Declarations/1_Typedef_A07_t04: Fail # Checks that self-referencing typedef is not allowed (named optional parameter type annotation has the same name as the type alias).
 Language/16_Reference/1_Lexical_Rules/1_Reserved_Words_A40_t04: Fail # Checks that other Unicode whitespaces are not allowed:  check NO-BREAK SPACE (U+00A0)
 Language/16_Reference/1_Lexical_Rules_A02_t06: Fail # Checks that Unicode whitespaces other than WHITESPACE are not permitted in the source code. Checks symbol U+00a0.
 
 
 #
 # Unexpected compile-time errors.
 #
 [ $compiler == dart2js ]
 Language/07_Classes/3_Setters_A04_t01: Fail # http://dartbug.com/5023
 Language/07_Classes/3_Setters_A04_t02: Fail # http://dartbug.com/5023
@@ skipping 302 matching lines @@
 LibTest/typed_data/Uint32List/runtimeType_A01_t01: fail # co19-roll r559: Please triage this failure
 LibTest/typed_data/Uint8ClampedList/runtimeType_A01_t01: fail # co19-roll r559: Please triage this failure
 LibTest/typed_data/Uint8List/runtimeType_A01_t01: fail # co19-roll r559: Please triage this failure
 
 [ $compiler == dart2js || $compiler == dart2dart ]
 Language/07_Classes/6_Constructors/1_Generative_Constructors_A15_t08: fail # co19-roll r569: Please triage this failure
 LibTest/core/NoSuchMethodError/NoSuchMethodError_A01_t01: fail # co19-roll r576: Please triage this failure
 LibTest/core/Uri/Uri_A06_t02: fail # co19-roll r576: Please triage this failure
 LibTest/core/Uri/Uri_A06_t03: fail # co19-roll r576: Please triage this failure