Issue 5148. Error on abstract method in concrete class needs to be a warning

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 ]
 Language/03_Overview/2_Privacy_A01_t08: pass # http://dartbug.com/5179
 Language/03_Overview/2_Privacy_A01_t11: pass # http://dartbug.com/5179
 Language/03_Overview/2_Privacy_A01_t18: pass # http://dartbug.com/5179
 Language/06_Functions/06_Functions_A01_t22: fail # http://dartbug.com/5179
 Language/06_Functions/2_Formal_Parameters_A02_t02: fail # http://dartbug.com/5179
@@ skipping 56 matching lines @@
 LibTest/core/double/operator_remainder_A01_t03: fail # http://dartbug.com/5179
 LibTest/core/double/remainder_A01_t03: fail # http://dartbug.com/5179
 
 Language/07_Classes/10_Superinterfaces_A06_t01: Fail # TODO(dartc-team): Please triage this failure.
 Language/07_Classes/10_Superinterfaces_A07_t01: Fail # TODO(dartc-team): Please triage this failure.
 Language/08_Interfaces/5_Superinterfaces/1_Inheritance_and_Overriding_A01_t02: Fail # TODO(dartc-team): Please triage this failure.
 Language/10_Expressions/01_Constants_A15_t38: Fail # TODO(dartc-team): Please triage this failure.
 
 
 Language/07_Classes/07_Classes_A03_t01: Fail, OK # 'default' is no longer supported
-Language/07_Classes/07_Classes_A03_t04: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/07_Classes_A03_t06: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/07_Classes_A03_t07: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/07_Classes_A03_t05: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/07_Classes_A03_t03: Fail, OK # abstract methods cannot occur in concrete classes
 Language/07_Classes/07_Classes_A01_t20: Fail, OK # the default constructor invokes a non-existent zero argument constructor
 Language/07_Classes/07_Classes_A02_t01: Fail # Issue 5419
 Language/07_Classes/07_Classes_A02_t31: Fail, OK # constant constructors are not required to have a body
 Language/07_Classes/07_Classes_A02_t32: Fail, OK # constant constructors are not required to have a body
 Language/07_Classes/07_Classes_A02_t34: Fail # Issue 5419
 Language/07_Classes/07_Classes_A09_t01: Fail, OK # warning expected if instance member has the same name as a static member
-Language/07_Classes/2_Getters_A01_t01: Fail, OK # abstract methods cannot occur in concrete classes
 Language/07_Classes/2_Getters_A01_t05: Fail # No issue: waiting to remove old getter syntax
 Language/07_Classes/3_Setters_A04_t01: Fail # Issue 5153
 Language/07_Classes/3_Setters_A04_t02: Fail, OK # getter and method with the same name
 Language/07_Classes/3_Setters_A04_t03: Fail, OK # getter and method with the same name
 Language/07_Classes/3_Setters_A04_t04: Fail # Issue 5153
 Language/07_Classes/3_Setters_A04_t05: Fail # Issue 5153
 Language/07_Classes/3_Setters_A04_t06: Fail OK # getter and method with the same name
 Language/07_Classes/3_Setters_A04_t07: Fail # Issue 5153
 Language/07_Classes/3_Setters_A04_t08: Fail # Issue 5153
-Language/07_Classes/4_Abstract_Instance_Members_A01_t01: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A02_t01: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A02_t02: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A04_t02: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A04_t03: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A05_t01: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A05_t02: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A05_t03: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A05_t04: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t01: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t02: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t03: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t04: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t05: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A06_t06: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t01: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t02: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t03: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t04: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t05: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t06: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t07: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t08: Fail, OK # abstract methods cannot occur in concrete classes
-Language/07_Classes/4_Abstract_Instance_Members_A07_t09: Fail, OK # abstract methods cannot occur in concrete classes
 Language/07_Classes/6_Constructors/1_Generative_Constructors_A21_t01: Fail # Issue 5162
 Language/07_Classes/6_Constructors_A01_t01: Fail # Issue 5163
 Language/07_Classes/6_Constructors_A03_t03: Fail, OK # this should be a warning, not an error
 
 Language/07_Classes/7_Static_Methods_A01_t03: Fail # TODO(dartc-team): Please triage this failure.
 Language/10_Expressions/10_Instance_Creation/2_Const_A02_t05: Fail # TODO(dartc-team): Please triage this failure.
 Language/10_Expressions/14_Method_Invocation/3_Static_Invocation_A03_t04: Fail # TODO(dartc-team): Please triage this failure.
 Language/10_Expressions/30_Type_Cast_A01_t04: Fail # TODO(dartc-team): Please triage this failure.
 Language/13_Libraries_and_Scripts/13_Libraries_and_Scripts_A04_t20: Fail # TODO(dartc-team): Please triage this failure.
 Language/13_Libraries_and_Scripts/13_Libraries_and_Scripts_A05_t03: Fail # TODO(dartc-team): Please triage this failure.
@@ skipping 82 matching lines @@
 
 Language/03_Overview/1_Scoping_A02_t28: Fail # language change 1031
 Language/03_Overview/2_Privacy_A01_t02: Fail # language change 1031
 Language/07_Classes/1_Instance_Methods/2_Operators_A01_t03: Fail # Issue 379
 Language/07_Classes/2_Getters_A01_t03: Fail, OK # out of date - getters are not allowed to have parameters
 Language/07_Classes/3_Setters_A01_t02: Fail # Issue 379
 Language/07_Classes/6_Constructors/1_Generative_Constructors_A15_t07: Fail # Issue 3323
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A05_t01: Fail # Issue 2477
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A05_t02: Fail # Issue 2477
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A05_t03: Fail # Issue 2477
+Language/07_Classes/07_Classes_A03_t07: Fail, OK # co19 issue 214
+Language/07_Classes/07_Classes_A09_t02: Fail, OK # co19 issue 215
+Language/07_Classes/07_Classes_A09_t04: Fail, OK # co19 issue 215
+Language/07_Classes/4_Abstract_Instance_Members_A07_t01: Fail, OK # co19 issue 216
+Language/07_Classes/4_Abstract_Instance_Members_A07_t02: Fail, OK # co19 issue 216
+Language/07_Classes/4_Abstract_Instance_Members_A07_t06: Fail, OK # co19 issue 216
+Language/07_Classes/4_Abstract_Instance_Members_A07_t07: Fail, OK # co19 issue 216
+Language/07_Classes/4_Abstract_Instance_Members_A07_t08: Fail, OK # co19 issue 216
 Language/08_Interfaces/1_Methods/1_Operators_A01_t01: Fail, OK # co19 issue 169
 Language/08_Interfaces/2_Getters_and_Setters_A05_t01: Fail # Issue 679
 Language/08_Interfaces/2_Getters_and_Setters_A05_t02: Fail # Issue 679
 Language/10_Expressions/01_Constants_A16_t01: Fail # Issue 1473
 Language/10_Expressions/01_Constants_A16_t02: Fail # Issue 1473
 Language/10_Expressions/01_Constants_A16_t03: Fail # Issue 1473
 Language/10_Expressions/01_Constants_A17_t03: Fail # Issue 1473
 Language/10_Expressions/02_Null_A03_t01: Fail # language change 1031
 Language/10_Expressions/05_Strings/1_String_Interpolation_A01_t04: Fail # language change 3368
 Language/10_Expressions/05_Strings/1_String_Interpolation_A01_t05: Fail # language change 3368
@@ skipping 483 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