Can't override implied setter covariantly

Change-Id: I1704001605f01721b01254fdc032aacebf472c80
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/97304
Commit-Queue: Peter von der Ahé <ahe@google.com>
Auto-Submit: Peter von der Ahé <ahe@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
diff --git a/tests/language_2/language_2_kernel.status b/tests/language_2/language_2_kernel.status
index eee513d..14bef31 100644
--- a/tests/language_2/language_2_kernel.status
+++ b/tests/language_2/language_2_kernel.status
@@ -306,6 +306,7 @@
 mixin_declaration/mixin_declaration_superinvocation_application_test/07: MissingCompileTimeError
 mixin_declaration/mixin_declaration_superinvocation_application_test/08: MissingCompileTimeError
 mixin_method_override_test/G5: Crash # Issue 34354
+override_inheritance_field_test/42: MissingCompileTimeError
 regress_22976_test/*: CompileTimeError # Issue 31935
 set_literals/invalid_set_literal_test/08: MissingCompileTimeError # Requires constant evaluation
 set_literals/invalid_set_literal_test/09: MissingCompileTimeError # Requires constant evaluation
diff --git a/tests/language_2/override_inheritance_field_test.dart b/tests/language_2/override_inheritance_field_test.dart
index b752b5d..d9430e1 100644
--- a/tests/language_2/override_inheritance_field_test.dart
+++ b/tests/language_2/override_inheritance_field_test.dart
@@ -27,7 +27,7 @@
   set setter11(int _) => null; //# 31: compile-time error
 
   @virtual int field1; //# 41: ok
-  num field2; //# 42: ok
+  num field2; //# 42: compile-time error
   int field3; //# 43: compile-time error
   int field4; //# 44: compile-time error
   int field5; //# 45: compile-time error