From 70a8489145a2ac56b0b18a2c86847911de391955 Mon Sep 17 00:00:00 2001
From: Chris Sienkiewicz <chsienki@microsoft.com>
Date: Thu, 19 Aug 2021 10:52:35 -0700
Subject: [PATCH] Don't consider classes that do not have any attributes or
 base classes

---
 src/libraries/System.Text.Json/gen/JsonSourceGenerator.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.Text.Json/gen/JsonSourceGenerator.cs b/src/libraries/System.Text.Json/gen/JsonSourceGenerator.cs
index 399b893e8e8e90..b1f71a7372804a 100644
--- a/src/libraries/System.Text.Json/gen/JsonSourceGenerator.cs
+++ b/src/libraries/System.Text.Json/gen/JsonSourceGenerator.cs
@@ -67,7 +67,7 @@ private sealed class SyntaxReceiver : ISyntaxReceiver
 
             public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
             {
-                if (syntaxNode is ClassDeclarationSyntax cds)
+                if (syntaxNode is ClassDeclarationSyntax { AttributeLists.Count: > 0, BaseList.Types.Count: > 0 } cds)
                 {
                     (ClassDeclarationSyntaxList ??= new List<ClassDeclarationSyntax>()).Add(cds);
                 }