From d340092275d80e3dd6e1021df1f0dfafcbfa92bd Mon Sep 17 00:00:00 2001
From: Neal Gafter <neal.gafter@microsoft.com>
Date: Tue, 31 Dec 2019 11:35:44 -0800
Subject: [PATCH] Clean up some dead comments. (#40661)

---
 .../CSharp/Portable/Binder/TypeofBinder.cs    | 44 +------------------
 1 file changed, 1 insertion(+), 43 deletions(-)

diff --git a/src/Compilers/CSharp/Portable/Binder/TypeofBinder.cs b/src/Compilers/CSharp/Portable/Binder/TypeofBinder.cs
index 655cc6fdc36..0e6ef85fa67 100644
--- a/src/Compilers/CSharp/Portable/Binder/TypeofBinder.cs
+++ b/src/Compilers/CSharp/Portable/Binder/TypeofBinder.cs
@@ -28,7 +28,7 @@ internal TypeofBinder(ExpressionSyntax typeExpression, Binder next)
             OpenTypeVisitor.Visit(typeExpression, out _allowedMap, out _isTypeExpressionOpen);
         }
 
-        internal bool IsTypeExpressionOpen { get { return _isTypeExpressionOpen; } }
+        internal bool IsTypeExpressionOpen => _isTypeExpressionOpen;
 
         protected override bool IsUnboundTypeAllowed(GenericNameSyntax syntax)
         {
@@ -36,48 +36,6 @@ protected override bool IsUnboundTypeAllowed(GenericNameSyntax syntax)
             return _allowedMap != null && _allowedMap.TryGetValue(syntax, out allowed) && allowed;
         }
 
-        /////// <summary>
-        /////// Returns the list of the symbols which represent the argument of the nameof operator. Ambiguities are not an error for the nameof.
-        /////// </summary>
-        ////internal ImmutableArray<Symbol> LookupForNameofArgument(ExpressionSyntax left, IdentifierNameSyntax right, string name, DiagnosticBag diagnostics, bool isAliasQualified, out bool hasErrors)
-        ////{
-        ////    ArrayBuilder<Symbol> symbols = ArrayBuilder<Symbol>.GetInstance();
-        ////    Symbol container = null;
-        ////    hasErrors = false;
-
-        ////    // We treat the AliasQualified syntax different than the rest. We bind the whole part for the alias.
-        ////    if (isAliasQualified)
-        ////    {
-        ////        container = BindNamespaceAliasSymbol((IdentifierNameSyntax)left, diagnostics);
-        ////        var aliasSymbol = container as AliasSymbol;
-        ////        if (aliasSymbol != null) container = aliasSymbol.Target;
-        ////        if (container.Kind == SymbolKind.NamedType)
-        ////        {
-        ////            diagnostics.Add(ErrorCode.ERR_ColColWithTypeAlias, left.Location, left);
-        ////            hasErrors = true;
-        ////            return symbols.ToImmutableAndFree();
-        ////        }
-        ////    }
-        ////    // If it isn't AliasQualified, we first bind the left part, and then bind the right part as a simple name.
-        ////    else if (left != null)
-        ////    {
-        ////        // We use OriginalDefinition because of the unbound generic names such as List<>, Dictionary<,>.
-        ////        container = BindNamespaceOrTypeSymbol(left, diagnostics, null, false).OriginalDefinition;
-        ////    }
-
-        ////    this.BindNonGenericSimpleName(right, diagnostics, null, false, (NamespaceOrTypeSymbol)container, isNameofArgument: true, symbols: symbols);
-        ////    if (CheckUsedBeforeDeclarationIfLocal(symbols, right))
-        ////    {
-        ////        Error(diagnostics, ErrorCode.ERR_VariableUsedBeforeDeclaration, right, right);
-        ////        hasErrors = true;
-        ////    }
-        ////    else if (symbols.Count == 0)
-        ////    {
-        ////        hasErrors = true;
-        ////    }
-        ////    return symbols.ToImmutableAndFree();
-        ////}
-
         /// <summary>
         /// This visitor walks over a type expression looking for open types.
         /// Open types are allowed if an only if:
-- 
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