Implement operator-is for interfaces' supertypes and String's supertypes. Also, improve stack trace…

dart/tests/co19/co19-leg.status

 # Copyright (c) 2011, 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.
 
 prefix co19
 
 [ $component == leg ]
 # These classes have been removed, co19 issue 79.
 LibTest/core/Dispatcher/*: Fail, OK
 LibTest/core/List/every_A03_t01: Fail, OK
@@ skipping 154 matching lines @@
 LangGuideTest/02_Language_Constructs/02_5_Meaning_of_Names/02_5_Meaning_of_Names_A02_t01: Fail # SsaBuilder.visitIdentifier on non-this
 LangGuideTest/02_Language_Constructs/02_6_Functions/02_6_Functions_A02_t01: Fail # Cannot find value
 LangGuideTest/02_Language_Constructs/02_6_Functions/02_6_Functions_A03_t01: Fail # Cannot find value
 Language/06_Functions/06_Functions_A01_t02: Fail # non-empty instruction stack
 Language/06_Functions/06_Functions_A01_t04: Fail # switch cases are not implemented
 Language/06_Functions/06_Functions_A02_t01: Fail # Cannot find value
 Language/06_Functions/06_Functions_A03_t01: Fail # Cannot find value
 Language/06_Functions/2_Formal_Parameters/2_Named_Optional_Formals_A01_t01: Fail # CompileTimeConstantHandler non-primitive list-entries not implemented
 Language/07_Classes/7_Static_Variables_A04_t01: Fail # SsaBuilder.visitContinueStatement not implemented
 Language/07_Classes/8_Superclasses/1_Inheritance_and_Overriding_A02_t03: Fail # SsaBuilder.visitIdentifier on non-this
+Language/13_Types/4_Interface_Types_A07_t03: Fail # SsaBuilder.visitContinueStatement not implemented
 Language/13_Types/4_Interface_Types_A09_t01: Fail # Cannot find value
 Language/13_Types/5_Function_Types_A02_t03: Fail # Cannot find value
 Language/13_Types/5_Function_Types_A02_t05: Fail # Cannot find value
 LibTest/core/Expect/setEquals_A01_t01: Fail # Cannot find value
 LibTest/core/Expect/setEquals_A01_t02: Fail # Cannot find value
 LibTest/core/Expect/setEquals_A03_t01: Fail # Cannot find value
 LibTest/core/Expect/stringEquals_A01_t01: Fail # SsaBuilder.visitBreakStatement
 LibTest/core/Expect/stringEquals_A01_t02: Fail # SsaBuilder.visitBreakStatement
 LibTest/core/Expect/stringEquals_A02_t01: Fail # SsaBuilder.visitBreakStatement
 LibTest/core/Expect/throws_A01_t01: Fail # Bad code generation.
@@ skipping 127 matching lines @@
 LibTest/core/List/addAll_A02_t01: Fail # Fixed length array.
 LibTest/core/List/add_A02_t01: Fail # Fixed length array.
 LibTest/core/List/clear_A02_t01: Fail # Fixed length array.
 LibTest/core/List/insertRange_A02_t01: Fail # Fixed length array.
 LibTest/core/List/length_A04_t01: Fail # Fixed length array.
 LibTest/core/List/removeLast_A02_t01: Fail # Fixed length array.
 LibTest/core/List/removeRange_A02_t01: Fail # Fixed length array.
 LibTest/core/List/addLast_A02_t01: Fail # Fixed length array.
 
 
-LibTest/core/Date/compareTo_A01_t01: Fail # Fail is Comparable test.
 LibTest/core/Date/timeZone_A01_t01: Fail # Should throw NoSuchMethodException.
 LibTest/core/Date/value_A01_t01: Fail # Should throw NoSuchMethodException.
-LibTest/core/Duration/compareTo_A01_t01: Fail # Fail is Comparable test.
 LibTest/core/Math/parseDouble_A02_t01: Fail # TODO(ahe): Reject bad values.
-LibTest/core/String/String_class_A03_t01: Fail # Implement is-checks.
 LibTest/core/Queue/iterator_A01_t01: Fail # Implement is-checks.
 
 
 LibTest/core/String/String_class_A02_t01: Fail # Unhandled non-BMP character: U+10000.
 LibTest/core/String/charCodeAt_A01_t01: Fail # Unhandled non-BMP character: U+10000.
 LibTest/core/String/charCodes_A01_t01: Fail # Unhandled non-BMP character: U+10000.
 
 
 # TODO(floitsch): Please review these.
 LibTest/core/Expect/approxEquals_A01_t04: Fail # Unknown issue with doubles.
 LibTest/core/Expect/identical_A01_t01: Fail # Is NaN identical to NaN?
 
 
 Language/07_Classes/5_Constructors/1_Generative_Constructors_A11_t01: Fail # Expect.equals(expected: <1>, actual: <null>, 'Instance variable should already be initialized!') fails.
 Language/07_Classes/4_Instance_Variables_A02_t01: Fail # Expect.equals(expected: <bar>, actual: <null>) fails.
 Language/07_Classes/4_Instance_Variables_A03_t01: Fail # Expect.equals(expected: <bar>, actual: <null>) fails.
 Language/07_Classes/1_Instance_Methods/1_Abstract_Methods_A02_t02: Fail # Expect.fail('NoSuchMethodException expected when calling abstract method or superclass.')
 Language/07_Classes/1_Instance_Methods/1_Abstract_Methods_A02_t01: Fail # Expect.fail('NoSuchMethodException expected when calling an abstract method.')
 Language/13_Types/4_Interface_Types_A12_t09: Fail # Expect.isFalse(true) fails.
 Language/13_Types/4_Interface_Types_A12_t12: Fail # Expect.isFalse(true) fails.
 Language/13_Types/4_Interface_Types_A12_t13: Fail # Expect.isFalse(true) fails.
 Language/13_Types/4_Interface_Types_A12_t14: Fail # Expect.isFalse(true) fails.
 Language/13_Types/4_Interface_Types_A12_t16: Fail # Expect.isFalse(true) fails.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Canonicalization/02_1_Class_Canonicalization_A01_t02: Fail # Expect.isTrue(false) fails.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Canonicalization/02_1_Class_Canonicalization_A01_t03: Fail # Expect.isTrue(false) fails.
 LangGuideTest/05_Equality/05_1_Object_Identity_Equality/05_1_Object_Identity_Equality_A01_t01: Fail # Expect.isTrue(false) fails.
 LangGuideTest/05_Equality/05_1_Object_Identity_Equality/05_1_Object_Identity_Equality_A01_t03: Fail # Expect.isTrue(false) fails.
 LangGuideTest/05_Equality/05_2_Value_Equality/05_2_Value_Equality_A01_t01: Fail # Expect.isTrue(false) fails.
-Language/13_Types/4_Interface_Types_A02_t01: Fail # Expect.isTrue(false) fails.
-Language/13_Types/4_Interface_Types_A04_t02: Fail # Expect.isTrue(false) fails.
 Language/13_Types/4_Interface_Types_A05_t03: Fail # Expect.isTrue(false) fails.
-Language/13_Types/4_Interface_Types_A11_t04: Fail # Expect.isTrue(false) fails.
 Language/13_Types/5_Function_Types_A02_t01: Fail # Expect.isTrue(false) fails.
 Language/13_Types/5_Function_Types_A02_t02: Fail # Expect.isTrue(false) fails.
 LibTest/core/Object/operator_equality_A01_t01: Fail # Expect.isTrue(false) fails.
 
 
 LangGuideTest/02_Language_Constructs/02_11_Exceptions/02_11_Exceptions_A04_t01: Fail # ReferenceError: trace is not defined
 Language/13_Types/4_Interface_Types_A12_t10: Fail # SyntaxError: Unexpected identifier
 Language/07_Classes/5_Constructors/1_Generative_Constructors_A01_t01: Fail # SyntaxError: Unexpected string
 
 
@@ skipping 379 matching lines @@
 Language/08_Interfaces/Interfaces_A01_t03: Fail, OK # @compile-error
 Language/08_Interfaces/Interfaces_A02_t01: Fail, OK # @compile-error
 Language/08_Interfaces/Interfaces_A02_t02: Fail, OK # @compile-error
 Language/09_Generics/09_Generics_A01_t05: Fail, OK # @compile-error
 Language/09_Generics/09_Generics_A01_t08: Fail, OK # @compile-error
 Language/09_Generics/09_Generics_A01_t10: Fail, OK # @compile-error
 Language/09_Generics/09_Generics_A01_t11: Fail, OK # @compile-error
 Language/09_Generics/09_Generics_A04_t05: Fail, OK # @compile-error
 Language/13_Types/1_Static_Types_A02_t08: Fail, OK # @compile-error
 Language/13_Types/7_Type_Void_A01_t09: Fail, OK # @compile-error