Issue 4553. Any constant is valid for 'case'.

tests/co19/co19-compiler.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 == dartc ]
 # Rename "BadNumberFormatException" to "FormatException"
 # TODO(rnystrom): These can be enabled when
 # http://code.google.com/p/co19/issues/detail?id=167 is fixed.
 LibTest/core/double/toInt_A01_t03: Fail
 LibTest/core/double/toInt_A01_t04: Fail
@@ skipping 95 matching lines @@
 Language/10_Expressions/28_Identifier_Reference_A05_t08: Fail # Issue 3476
 Language/10_Expressions/28_Identifier_Reference_A05_t09: Fail # Issue 3476
 Language/10_Expressions/28_Identifier_Reference_A05_t10: Fail # Issue 3476
 Language/10_Expressions/28_Identifier_Reference_A06_t09: Fail # co19 issue 140
 Language/10_Expressions/28_Identifier_Reference_A06_t10: Fail # co19 issue 140
 Language/10_Expressions/28_Identifier_Reference_A06_t11: Fail # co19 issue 140
 Language/10_Expressions/28_Identifier_Reference_A06_t12: Fail # co19 issue 140
 Language/10_Expressions/28_Identifier_Reference_A07_t03: Fail # co19 issue 140
 Language/11_Statements/05_For_A01_t11: Fail # Issue 3323
 Language/11_Statements/08_Switch_A01_t01: Fail # co19 issue 160
+Language/11_Statements/08_Switch_A06_t02: Fail # out of date - case can use any constant expression
+Language/11_Statements/08_Switch_A06_t03: Fail # out of date - case can use any constant expression
+Language/11_Statements/08_Switch_A06_t04: Fail # out of date - case can use any constant expression
 Language/11_Statements/09_Try_A01_t14: Fail # out of date - catch parameters are not allowed to be typed
 Language/11_Statements/09_Try_A01_t18: Fail # out of date - catch parameters are not allowed to be typed
-Language/11_Statements/11_Labels_A03_t04: Fail # co19 issue 137
-Language/11_Statements/12_Break_A03_t05: Fail # co19 issue 138
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A02_t01: Fail # co19 Issue 109
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A02_t03: Fail # co19 Issue 109
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A04_t20: Fail # co19 Issue 109
 Language/12_Libraries_and_Scripts/2_Imports_A02_t04: Fail # language change 1031
 Language/12_Libraries_and_Scripts/2_Imports_A05_t01: Fail # Issue 1774
 Language/12_Libraries_and_Scripts/2_Imports_A07_t03: Fail # Issue 1774
 Language/12_Libraries_and_Scripts/3_Includes_A01_t13: Skip # out of date - resource directives have been removed
 Language/12_Libraries_and_Scripts/4_Scripts_A01_t16: Fail # co19 issue 109
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A07_t01: Skip # out of date - resource directives have been removed
 Language/13_Types/2_Dynamic_Type_System_A02_t01: Fail # co19 issue 148
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t04: Fail # co19 issue 141
 Language/13_Types/4_Interface_Types_A10_t09:Fail # co19 Issue 130
 Language/13_Types/5_Function_Types_A01_t08:Fail # co19 Issue 130
 
 
-LibTest/core/FallThroughError/toString_A01_t02: Fail # co19 issue 139
 LibTest/core/List/every_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 LibTest/core/List/filter_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 LibTest/core/List/some_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A05_t01: Fail # co19 issue 139
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A06_t01: Fail # co19 issue 139
 
 # The following tests use the deprecated Date interface.
 LibTest/core/Date/Date_A02_t01: Fail, Pass
 LibTest/core/Date/Date.now_A02_t01: Fail, Pass
@@ skipping 39 matching lines @@
 LibTest/isolate/Isolate/spawn_A01_t02: Fail, OK
 LibTest/isolate/Isolate/spawn_A01_t03: Fail, OK
 LibTest/isolate/Isolate/spawn_A01_t04: Fail, OK
 LibTest/isolate/Isolate/spawn_A01_t05: Fail, OK
 LibTest/isolate/Isolate/spawn_A01_t06: Fail, OK
 Language/10_Expressions/11_Spawning_an_Isolate_A01_t01: Fail, OK
 
 
 [ $runtime == drt && ($compiler == none || $compiler == frog) ]
 *: Skip