Implement literal maps.

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 && $system == macos ]
 LibTest/core/Math/acos_A01_t01: Fail
 LibTest/core/Math/asin_A01_t01: Fail
 LibTest/core/Math/atan_A01_t01: Fail
@@ skipping 167 matching lines @@
 Language/13_Types/5_Function_Types_A01_t02: Fail # cannot resolve type t1
 Language/13_Types/5_Function_Types_A01_t03: Fail # cannot resolve type t1
 Language/13_Types/5_Function_Types_A01_t06: Fail # cannot resolve type t8
 Language/13_Types/4_Interface_Types_A05_t04: Fail # duplicate definition of num f(){}
 Language/13_Types/5_Function_Types_A01_t01: Fail # duplicate definition of void f(){}
 Language/13_Types/5_Function_Types_A02_t04: Fail # duplicate definition of void f(){}
 Language/13_Types/5_Function_Types_A01_t09: Fail # f is not a type
 Language/07_Classes/5_Constructors/2_Factories_A01_t01: Fail # lib is not a type
 Language/05_Variables/05_Variables_A05_t03: Fail # map not implemented
 Language/05_Variables/05_Variables_A08_t03: Fail # map not implemented
-LibTest/core/HashMap/HashMap.from_A01_t01: Fail # map not implemented
-LibTest/core/LinkedHashMap/LinkedHashMap.from_A01_t01: Fail # map not implemented
-LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterEscape_A07_t01: Fail # map not implemented
-LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterEscape_A08_t01: Fail # map not implemented
-LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterEscape_A08_t02: Fail # map not implemented
 Language/09_Generics/09_Generics_A04_t03: Fail # named constructors with type arguments are not implemented
 Language/08_Interfaces/4_Superinterfaces/1_Inheritance_and_Overriding_A01_t02: Fail # no method named foo in class I
 
 
 #
 # The following tests are all semantic tests that we can rely on dartc
 # catching for now.
 #
 LangGuideTest/02_Language_Constructs/02_11_Exceptions/02_11_Exceptions_A06_t02: Fail, OK # @compile-error
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_A02_t03: Fail, OK # @compile-error
@@ skipping 256 matching lines @@
 Language/08_Interfaces/Interfaces_A02_t04: Fail, OK # @compile-error
 Language/08_Interfaces/Interfaces_A02_t05: 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_t02: Fail, OK # @compile-error
 Language/13_Types/7_Type_Void_A01_t09: Fail, OK # @compile-error