From b65f58e888668b662681b7259ceb5965aa7f2e68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Strehovsk=C3=BD?=
 <MichalStrehovsky@users.noreply.github.com>
Date: Tue, 22 Mar 2022 00:04:45 +0900
Subject: [PATCH] Fix up DiagnosticName of RuntimeDetermined types (#66937)

Name/Namespace of these already includes the details type name. Bring this over to DiagnosticName too.

This is so that we can distinguish between `List<__Canon>` and List<T___Canon>`.
---
 .../RuntimeDetermined/RuntimeDeterminedType.Diagnostic.cs     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/coreclr/tools/Common/TypeSystem/RuntimeDetermined/RuntimeDeterminedType.Diagnostic.cs b/src/coreclr/tools/Common/TypeSystem/RuntimeDetermined/RuntimeDeterminedType.Diagnostic.cs
index b78e4c398e0..91451e43ee6 100644
--- a/src/coreclr/tools/Common/TypeSystem/RuntimeDetermined/RuntimeDeterminedType.Diagnostic.cs
+++ b/src/coreclr/tools/Common/TypeSystem/RuntimeDetermined/RuntimeDeterminedType.Diagnostic.cs
@@ -1,6 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
+
 namespace Internal.TypeSystem
 {
     partial class RuntimeDeterminedType
@@ -17,7 +19,7 @@ public override string DiagnosticNamespace
         {
             get
             {
-                return _rawCanonType.DiagnosticNamespace;
+                return String.Concat(_runtimeDeterminedDetailsType.DiagnosticName, "_", _rawCanonType.DiagnosticNamespace); ;
             }
         }
     }
-- 
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