Merge pull request #13164 from cston/del-replace

Remove `replace` references: IDS_FeatureReplace and SyntaxModifiers.Replace

src/Compilers/CSharp/Portable/CSharpResources.Designer.cs

@@ -9944,15 +9944,6 @@ internal class CSharpResources {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to replaced members.
-        /// </summary>
-        internal static string IDS_FeatureReplace {
-            get {
-                return ResourceManager.GetString("IDS_FeatureReplace", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to static classes.
         /// </summary>

src/Compilers/CSharp/Portable/CSharpResources.resx

@@ -240,9 +240,6 @@
   <data name="IDS_FeaturePartialMethod" xml:space="preserve">
     <value>partial method</value>
   </data>
-  <data name="IDS_FeatureReplace" xml:space="preserve">
-    <value>replaced members</value>
-  </data>
   <data name="IDS_SK_METHOD" xml:space="preserve">
     <value>method</value>
   </data>

src/Compilers/CSharp/Portable/Errors/MessageID.cs

@@ -119,7 +119,6 @@ internal enum MessageID
 
         IDS_FeatureRefLocalsReturns = MessageBase + 12710,
         IDS_FeatureTuples = MessageBase + 12711,
-        IDS_FeatureReplace = MessageBase + 12712,
         IDS_FeatureOutVar = MessageBase + 12713,
 
         IDS_FeatureIOperation = MessageBase + 12714,
@@ -186,7 +185,6 @@ internal static LanguageVersion RequiredVersion(this MessageID feature)
                 case MessageID.IDS_FeatureRefLocalsReturns:
                 case MessageID.IDS_FeaturePatternMatching:
                 case MessageID.IDS_FeatureTuples:
-                case MessageID.IDS_FeatureReplace:
                 case MessageID.IDS_FeatureOutVar:
                     return LanguageVersion.CSharp7;
 

src/Compilers/CSharp/Portable/Parser/LanguageParser.cs

@@ -1231,7 +1231,6 @@ private enum SyntaxModifier
             Unsafe = 0x2000,
             Partial = 0x4000,
             Async = 0x8000,
-            Replace = 0x10000
         }
 
         private const SyntaxModifier AccessModifiers = SyntaxModifier.Public | SyntaxModifier.Internal | SyntaxModifier.Protected | SyntaxModifier.Private;
@@ -1354,16 +1353,6 @@ private void ParseModifiers(SyntaxListBuilder tokens)
                             }
                             return;
                         }
-                    case SyntaxModifier.Replace:
-                        {
-                            if (ShouldCurrentContextualKeywordBeTreatedAsModifier())
-                            {
-                                modTok = ConvertToKeyword(this.EatToken());
-                                modTok = CheckFeatureAvailability(modTok, MessageID.IDS_FeatureReplace);
-                                break;
-                            }
-                            return;
-                        }
                     default:
                         {
                             modTok = this.EatToken();