Merge pull request #23423 from sharwell/concurrent-analyzers

Enable concurrent execution for all built-in C# analyzers

src/Features/Core/Portable/Diagnostics/Analyzers/PreferFrameworkTypeDiagnosticAnalyzerBase.cs

@@ -72,6 +72,7 @@ public sealed override void Initialize(AnalysisContext context)
         {
             context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKindsOfInterest);
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
         }
 
         protected void AnalyzeNode(SyntaxNodeAnalysisContext context)

src/Features/Core/Portable/Diagnostics/Analyzers/RemoveUnnecessaryCastDiagnosticAnalyzerBase.cs

@@ -29,6 +29,8 @@ internal abstract class RemoveUnnecessaryCastDiagnosticAnalyzerBase<TLanguageKin
         public sealed override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(
                 nodeContext =>
                     {

src/Features/Core/Portable/Diagnostics/Analyzers/UnboundIdentifiersDiagnosticAnalyzerBase.cs

@@ -24,6 +24,8 @@ internal abstract class UnboundIdentifiersDiagnosticAnalyzerBase<TLanguageKindEn
 
         public override void Initialize(AnalysisContext context)
         {
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(AnalyzeNode, this.SyntaxKindsOfInterest.ToArray());
         }
 

src/Features/Core/Portable/RemoveUnnecessaryImports/AbstractRemoveUnnecessaryImportsDiagnosticAnalyzer.cs

@@ -72,6 +72,8 @@ public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
 
         public override void Initialize(AnalysisContext context)
         {
+            context.EnableConcurrentExecution();
+
             context.RegisterSemanticModelAction(this.AnalyzeSemanticModel);
         }
 

src/Features/Core/Portable/ValidateFormatString/AbstractValidateFormatStringDiagnosticAnalyzer.cs

@@ -63,6 +63,8 @@ public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
 
         public override void Initialize(AnalysisContext context)
         {
+            context.EnableConcurrentExecution();
+
             context.RegisterCompilationStartAction(startContext =>
             {
                 var formatProviderType = startContext.Compilation.GetTypeByMetadataName(typeof(System.IFormatProvider).FullName);