Issue 26787. Report HintCode.OVERRIDE_ON_NON_OVERRIDING_GETTER for non-overriding fields.

pkg/analyzer/test/generated/hint_code_test.dart

Index: pkg/analyzer/test/generated/hint_code_test.dart
diff --git a/pkg/analyzer/test/generated/hint_code_test.dart b/pkg/analyzer/test/generated/hint_code_test.dart
index 6644ccd66f82d17f6c72deb7abfe0e372b9224b4..acaeaf9de7037079ff27ddb77b4cd5ceafaeb944 100644
--- a/pkg/analyzer/test/generated/hint_code_test.dart
+++ b/pkg/analyzer/test/generated/hint_code_test.dart
@@ -1359,31 +1359,31 @@ main() {
     verify([source, source2]);
   }
 
-  void test_invalidUseOfProtectedMember_function_OK2() {
+  void test_invalidUseOfProtectedMember_function_OK() {
     Source source = addSource(r'''
 import 'package:meta/meta.dart';
 class A {
   @protected
-  void a(){ }
+  int a() => 0;
 }
-main() {
-  new A().a();
+
+abstract class B implements A {
+  int b() => a();
 }''');
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
     verify([source]);
   }
 
-  void test_invalidUseOfProtectedMember_function_OK() {
+  void test_invalidUseOfProtectedMember_function_OK2() {
     Source source = addSource(r'''
 import 'package:meta/meta.dart';
 class A {
   @protected
-  int a() => 0;
+  void a(){ }
 }
-
-abstract class B implements A {
-  int b() => a();
+main() {
+  new A().a();
 }''');
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
@@ -2047,6 +2047,21 @@ m(x) {
     verify([source]);
   }
 
+  void test_overrideOnNonOverridingGetter_field_invalid() {
+    Source source = addSource(r'''
+library dart.core;
+const override = null;
+class A {
+}
+class B extends A {
+  @override
+  final int m = 1;
+}''');
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [HintCode.OVERRIDE_ON_NON_OVERRIDING_GETTER]);
+    verify([source]);
+  }
+
   void test_overrideOnNonOverridingGetter_invalid() {
     Source source = addSource(r'''
 library dart.core;