From 6a1b729c22021c23d2bc0b4294c0087e2b74c431 Mon Sep 17 00:00:00 2001
From: ds5678 <49847914+ds5678@users.noreply.github.com>
Date: Sun, 29 Jun 2025 00:54:23 -0700
Subject: [PATCH] Fix bug in IsValueType

---
 Cpp2IL.Core/Model/Contexts/TypeAnalysisContext.cs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Cpp2IL.Core/Model/Contexts/TypeAnalysisContext.cs b/Cpp2IL.Core/Model/Contexts/TypeAnalysisContext.cs
index b432db77..dbaaa2e1 100644
--- a/Cpp2IL.Core/Model/Contexts/TypeAnalysisContext.cs
+++ b/Cpp2IL.Core/Model/Contexts/TypeAnalysisContext.cs
@@ -340,7 +340,20 @@ public static ITypeInfoProvider GetSndnProviderForType(ApplicationAnalysisContex
     string ITypeInfoProvider.RewrittenTypeName => Name;
     string ITypeInfoProvider.TypeNamespace => Namespace;
     public virtual bool IsGenericInstance => false;
-    public virtual bool IsValueType => Definition?.IsValueType ?? BaseType is { Namespace: "System", Name: "ValueType" };
+    public virtual bool IsValueType
+    {
+        get
+        {
+            if (Definition is not null)
+                return Definition.IsValueType;
+
+            if (BaseType is { Namespace: "System", Name: "ValueType" })
+                return Namespace is not "System" || Name is not "Enum"; // Enum is a reference type
+
+            return IsEnumType;
+        }
+    }
+
     public bool IsEnumType => Definition?.IsEnumType ?? BaseType is { Namespace: "System", Name: "Enum" };
     IEnumerable<ITypeInfoProvider> ITypeInfoProvider.GenericArgumentInfoProviders => [];
     IEnumerable<IFieldInfoProvider> ITypeInfoProvider.FieldInfoProviders => Fields;