From 36533db58c94bcf9ff632ebed7eda3d38645e5d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Strehovsk=C3=BD?=
 <MichalStrehovsky@users.noreply.github.com>
Date: Mon, 22 Jan 2024 06:44:19 +0100
Subject: [PATCH] Work around IsPrimitive compilation issue

---
 .../System.Private.CoreLib/src/System/Type.cs          | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Type.cs b/src/libraries/System.Private.CoreLib/src/System/Type.cs
index 1d798a494047e..17e4636296c17 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Type.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Type.cs
@@ -125,7 +125,15 @@ public virtual Type[] GetGenericParameterConstraints()
         public virtual bool IsEnum { [Intrinsic] get => IsSubclassOf(typeof(Enum)); }
         public bool IsMarshalByRef => IsMarshalByRefImpl();
         protected virtual bool IsMarshalByRefImpl() => false;
-        public bool IsPrimitive { [Intrinsic] get => IsPrimitiveImpl(); }
+        public bool IsPrimitive
+        {
+#if NATIVEAOT
+            // https://github.com/dotnet/runtime/issues/97272
+            [MethodImpl(MethodImplOptions.NoOptimization)]
+#endif
+            [Intrinsic]
+            get => IsPrimitiveImpl();
+        }
         protected abstract bool IsPrimitiveImpl();
         public bool IsValueType { [Intrinsic] get => IsValueTypeImpl(); }
         protected virtual bool IsValueTypeImpl() => IsSubclassOf(typeof(ValueType));