Eliminate a dead code path in a diagnostics fixer. (changeset 1405570)

src/Diagnostics/CodeAnalysis/Core/MetaAnalyzers/Fixers/ApplyDiagnosticAnalyzerAttributeFix.cs

@@ -59,29 +59,18 @@ private void AddFix(string codeFixTitle, CodeFixContext context, SyntaxNode root
 
         private Task<Document> GetFix(Document document, SyntaxNode root, SyntaxNode classDecl, SyntaxGenerator generator, params string[] languages)
         {
-            SyntaxNode attribute;
-            switch (languages.Length)
-            {
-                case 0:
-                    attribute = generator.Attribute(DiagnosticAnalyzerCorrectnessAnalyzer.DiagnosticAnalyzerAttributeFullName);
-                    break;
-
-                default:
-                    var languageNamesFullName = typeof(LanguageNames).FullName;
-                    var arguments = new SyntaxNode[languages.Length];
+            var languageNamesFullName = typeof(LanguageNames).FullName;
+            var arguments = new SyntaxNode[languages.Length];
 
-                    for (int i = 0; i < languages.Length; i++)
-                    {
-                        var language = languages[i] == LanguageNames.CSharp ? nameof(LanguageNames.CSharp) : nameof(LanguageNames.VisualBasic);
-                        var expressionToParse = languageNamesFullName + "." + language;
-                        var parsedExpression = ParseExpression(expressionToParse);
-                        arguments[i] = generator.AttributeArgument(parsedExpression);
-                    }
-
-                    attribute = generator.Attribute(DiagnosticAnalyzerCorrectnessAnalyzer.DiagnosticAnalyzerAttributeFullName, arguments);
-                    break;
+            for (int i = 0; i < languages.Length; i++)
+            {
+                var language = languages[i] == LanguageNames.CSharp ? nameof(LanguageNames.CSharp) : nameof(LanguageNames.VisualBasic);
+                var expressionToParse = languageNamesFullName + "." + language;
+                var parsedExpression = ParseExpression(expressionToParse);
+                arguments[i] = generator.AttributeArgument(parsedExpression);
             }
 
+            SyntaxNode attribute = generator.Attribute(DiagnosticAnalyzerCorrectnessAnalyzer.DiagnosticAnalyzerAttributeFullName, arguments);
             var newClassDecl = generator.AddAttributes(classDecl, attribute);
             var newRoot = root.ReplaceNode(classDecl, newClassDecl);
             return Task.FromResult(document.WithSyntaxRoot(newRoot));