test churn

src/Compilers/CSharp/Portable/CSharpResources.resx

@@ -8003,7 +8003,7 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
     <value>Non-nullable property must contain a non-null value when exiting constructor. Consider adding the 'required' modifier, or declaring the property as nullable, or adding '[field: MaybeNull, AllowNull]' attributes.</value>
   </data>
   <data name="WRN_AccessorDoesNotUseBackingField" xml:space="preserve">
-    <value>'{0}' should use the backing 'field' because the other accessor is using it.</value>
+    <value>The '{0}' accessor of property '{1}' should use the backing 'field' because the other accessor is using it.</value>
   </data>
   <data name="WRN_AccessorDoesNotUseBackingField_Title" xml:space="preserve">
     <value>Property accessor should use the backing 'field' because the other accessor is using it.</value>

src/Compilers/CSharp/Portable/Symbols/Source/SourcePropertySymbolBase.cs

@@ -339,7 +339,15 @@ static void check(SourcePropertySymbolBase @this, BindingDiagnosticBag diagnosti
 
                 if (accessorToBlame is not null)
                 {
-                    diagnostics.Add(ErrorCode.WRN_AccessorDoesNotUseBackingField, accessorToBlame.GetFirstLocation(), accessorToBlame);
+                    var accessorName = accessorToBlame switch
+                    {
+                        { MethodKind: MethodKind.PropertyGet, IsInitOnly: false } => SyntaxFacts.GetText(SyntaxKind.GetKeyword),
+                        { MethodKind: MethodKind.PropertySet, IsInitOnly: false } => SyntaxFacts.GetText(SyntaxKind.SetKeyword),
+                        { MethodKind: MethodKind.PropertySet, IsInitOnly: true } => SyntaxFacts.GetText(SyntaxKind.InitKeyword),
+                        _ => throw ExceptionUtilities.UnexpectedValue(accessorToBlame)
+                    };
+
+                    diagnostics.Add(ErrorCode.WRN_AccessorDoesNotUseBackingField, accessorToBlame.GetFirstLocation(), accessorName, @this);
                 }
             }
         }