From 5d0943f0ce25d137690ca339a254a25cdac39796 Mon Sep 17 00:00:00 2001
From: Zoltan Varga <vargaz@gmail.com>
Date: Wed, 2 Nov 2022 20:48:15 -0400
Subject: [PATCH] [mono] Avoid returning true from RuntimeType.IsActualEnum for
 generic parameters. (#77763)

Related: https://github.com/dotnet/runtime/pull/71685.
---
 src/mono/System.Private.CoreLib/src/System/RuntimeType.Mono.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mono/System.Private.CoreLib/src/System/RuntimeType.Mono.cs b/src/mono/System.Private.CoreLib/src/System/RuntimeType.Mono.cs
index eed3d75c60bd5..08484d246a504 100644
--- a/src/mono/System.Private.CoreLib/src/System/RuntimeType.Mono.cs
+++ b/src/mono/System.Private.CoreLib/src/System/RuntimeType.Mono.cs
@@ -1277,7 +1277,7 @@ protected override bool IsValueTypeImpl()
         public override bool IsEnum => GetBaseType() == EnumType;
 
         // Returns true for actual enum types only.
-        internal bool IsActualEnum => RuntimeTypeHandle.GetBaseType(this) == EnumType;
+        internal bool IsActualEnum => !IsGenericParameter && RuntimeTypeHandle.GetBaseType(this) == EnumType;
 
         public override GenericParameterAttributes GenericParameterAttributes
         {