1 files changed, 52 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_20499/GitHub_20499.cs b/tests/src/JIT/Regression/JitBlue/GitHub_20499/GitHub_20499.cs
new file mode 100644
index 0000000000..6548c36c5b
--- /dev/null
+++ b/tests/src/JIT/Regression/JitBlue/GitHub_20499/GitHub_20499.cs
@@ -0,0 +1,52 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.CompilerServices;
+
+struct S
+{
+    public long y;
+    public int x;
+}
+
+class Z
+{
+    virtual public S F()
+    {
+        S s = new S();
+        s.x = 100;
+        s.y = -1;
+        return s;
+    }
+
+}
+
+class X
+{
+    Z z;
+
+    [MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.Synchronized)]
+    public S G() => z.F();
+
+    public static int Main()
+    {
+        int result = Test();
+        if (result == 100) {
+            Console.WriteLine("SUCCESS");
+        }
+        else {
+            Console.WriteLine("FAILURE");
+        }
+        return result;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public static int Test()
+    {
+        var x = new X();
+        x.z = new Z();
+        return x.G().x;
+    }
+}