Refine detection of compiler-generated delegates

ICSharpCode.Decompiler/CSharp/CSharpDecompiler.cs

@@ -231,7 +231,7 @@ namespace ICSharpCode.Decompiler.CSharp
 						return true;
 					if (settings.AnonymousTypes && type.IsAnonymousType())
 						return true;
-					if (settings.Dynamic && type.IsDelegate() && type.Name.StartsWith("<>A{", StringComparison.Ordinal))
+					if (settings.Dynamic && type.IsDelegate() && (type.Name.StartsWith("<>A", StringComparison.Ordinal) || type.Name.StartsWith("<>F", StringComparison.Ordinal)))
 						return true;
 				}
 				if (settings.ArrayInitializers && settings.SwitchStatementOnString && type.Name.StartsWith("<PrivateImplementationDetails>", StringComparison.Ordinal))