From 230b5b167c6a47558b9adf292d4634cf41f1d797 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Thu, 5 Nov 2020 20:07:37 -0500
Subject: [PATCH] Update SharedPerformanceCounter assert (#44333)

---
 .../src/System/Diagnostics/SharedPerformanceCounter.cs                  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.Diagnostics.PerformanceCounter/src/System/Diagnostics/SharedPerformanceCounter.cs b/src/libraries/System.Diagnostics.PerformanceCounter/src/System/Diagnostics/SharedPerformanceCounter.cs
index 8d9dfd3..633730d 100644
--- a/src/libraries/System.Diagnostics.PerformanceCounter/src/System/Diagnostics/SharedPerformanceCounter.cs
+++ b/src/libraries/System.Diagnostics.PerformanceCounter/src/System/Diagnostics/SharedPerformanceCounter.cs
@@ -697,7 +697,7 @@ namespace System.Diagnostics
                             }
                             else
                             {
-                                Debug.Assert(counterNamesObject is string[], $"Expected string[], got '{counterNamesObject}' with kind '{categoryKey.GetValueKind("Counter Names")}'for category '{_categoryName}'");
+                                Debug.Assert(counterNamesObject is string[], $"Expected string[], got '{counterNamesObject}' of type '{counterNamesObject?.GetType()}' with kind '{categoryKey.GetValueKind("Counter Names")}' for category '{_categoryName}'");
                                 string[] counterNames = (string[])counterNamesObject;
                                 for (int i = 0; i < counterNames.Length; i++)
                                     counterNames[i] = counterNames[i].ToLowerInvariant();
-- 
2.7.4