Make constant lists immutable.

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.
 
 [ $compiler == dart2js && $system == macos ]
 LibTest/core/Math/acos_A01_t01: Fail, OK
 LibTest/core/Math/asin_A01_t01: Fail, OK
 LibTest/core/Math/atan_A01_t01: Fail, OK
 
 
@@ skipping 130 matching lines @@
 Language/08_Interfaces/4_Superinterfaces/1_Inheritance_and_Overriding_A01_t02: Fail # compiler cancelled: no method named foo in class I
 Language/09_Generics/09_Generics_A04_t03: Fail # compiler cancelled: cannot resolve type N
 Language/09_Generics/09_Generics_A04_t04: Fail # compiler cancelled: cannot resolve type T
 Language/11_Statements/13_Continue_A02_t12: Fail # compiler cancelled: cannot resolve label L
 Language/11_Statements/13_Continue_A02_t13: Fail # compiler cancelled: cannot resolve label L
 Language/13_Types/2_Dynamic_Type_System_A02_t01: Fail # compiler cancelled: cannot resolve type MalformedType
 Language/13_Types/4_Interface_Types_A05_t04: Fail # compiler cancelled: cannot resolve type T
 Language/13_Types/4_Interface_Types_A08_t01: Fail # compiler cancelled: cannot resolve type S
 Language/13_Types/5_Function_Types_A02_t01: Fail # compiler cancelled: unexpected token 'call'
 Language/13_Types/6_Type_Dynamic_A02_t01: Fail # compiler cancelled: cannot resolve type S
-LibTest/core/List/removeLast_A02_t01: Fail # constant list can be modified.
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A03_t01: Fail # compiler cancelled: internal error: fall-through not implemented
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A04_t01: Fail # compiler cancelled: internal error: fall-through not implemented
 
 
 
 Language/03_Overview/1_Scoping_A02_t07: Fail # duplicate definition of f(var f){f();}
 Language/03_Overview/1_Scoping_A02_t12: Fail # duplicate definition of x=42
 Language/03_Overview/1_Scoping_A02_t13: Fail # duplicate definition of x=0
 Language/03_Overview/2_Privacy_A01_t06: Fail # cannot resolve type _inaccessibleFuncType
 Language/03_Overview/2_Privacy_A01_t11: Fail # internal error: super property read not implemented
@@ skipping 35 matching lines @@
 LibTest/core/Queue/iterator_A01_t01: Fail # Expect.isFalse(true) fails.
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterEscape_A06_t02: Fail # IllegalJSRegExpException: '\c(' 'SyntaxError: Invalid regular expression: /\c(/: Unterminated group'
 LibTest/core/RegExp/Pattern_semantics/firstMatch_DecimalEscape_A01_t02: Fail # Expect.fail('Some exception expected')
 LibTest/core/RegExp/Pattern_semantics/firstMatch_NonEmptyClassRanges_A01_t05: Fail # Expect.fail('Some exception expected')
 LibTest/core/RegExp/Pattern_semantics/firstMatch_NonEmptyClassRanges_A01_t06: Fail # Expect.fail('Some exception expected')
 
 
 Language/10_Expressions/01_Constants_A10_t01: Fail # internal error: CompileTimeConstantEvaluator not implemented
 Language/10_Expressions/01_Constants_A12_t01: Fail # internal error: CompileTimeConstantEvaluator not implemented
 Language/10_Expressions/01_Constants_A15_t24: Fail # test will change: issue 2277
-Language/10_Expressions/06_Lists_A06_t01: Fail # const lists can be modified.
 Language/10_Expressions/06_Lists_A07_t02: Fail # generic type information is lost during canonicalization.
 Language/10_Expressions/07_Maps_A06_t02: Fail # generic type information is lost during canonicalization.
 Language/10_Expressions/13_Function_Invocation/2_Binding_Actuals_to_Formals_A01_t01: Fail # Unimplemented non-matching static call
 Language/10_Expressions/13_Function_Invocation/2_Binding_Actuals_to_Formals_A01_t04: Fail # Unimplemented non-matching static call
 Language/10_Expressions/13_Function_Invocation/2_Binding_Actuals_to_Formals_A01_t05: Fail # Unimplemented non-matching static call
 Language/10_Expressions/13_Function_Invocation/4_Function_Expression_Invocation_A05_t01: Fail # TypeError: Object #<Closure> has no method 'call'
 Language/10_Expressions/14_Method_Invocation/3_Super_Invocation_A03_t04: Fail # internal error: super property store not implemented
 Language/10_Expressions/14_Method_Invocation/3_Super_Invocation_A07_t01: Fail # Should throw ObjectNotClosure, not NoSuchMethodException.
 Language/10_Expressions/16_Assignment_A05_t06: Fail # Wrong name passed to noSuchMethod.
 Language/10_Expressions/20_Equality_A05_t01: Fail # != cannot be called on super
@@ skipping 282 matching lines @@
 Language/12_Libraries_and_Scripts/1_Imports_A07_t02: Fail, OK # @compile-error
 Language/12_Libraries_and_Scripts/2_Includes_A01_t01: Fail, OK # @compile-error
 Language/12_Libraries_and_Scripts/2_Includes_A03_t02: Fail, OK # @compile-error
 Language/12_Libraries_and_Scripts/2_Includes_A03_t03: Fail, OK # @compile-error
 Language/13_Types/1_Static_Types_A02_t08: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A06_t01: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A06_t02: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A06_t03: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A06_t04: Fail, OK # @compile-error
 Language/13_Types/7_Type_Void_A01_t02: Fail, OK # @compile-error