Add runtime test for static gsharedvt methods (dotnet#101489)

Author: kotlarmilos

src/tests/JIT/Regression/JitBlue/Runtime_94467/Runtime_94467.cs

@@ -0,0 +1,44 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using Xunit;
+
+public static class Runtime_94467
+{
+    public interface ITypeChecker
+    {
+        static abstract bool Test<T>(T value);
+    }
+
+    public interface IHandler
+    {
+        bool Test<T>(T value);
+    }
+
+    public struct TypeChecker : ITypeChecker
+    {
+        public static bool Test<T>(T value) => true;
+    }
+
+    public class Handler<TChecker> : IHandler where TChecker : ITypeChecker
+    {
+        public bool Test<T>(T value) => TChecker.Test(value);
+    }
+
+    public static IHandler GetHandler() => new Handler<TypeChecker>();
+
+    [Fact]
+    public static int Test()
+    {
+        try {
+            var handler = GetHandler();
+            if (handler.Test<bool>(true) && handler.Test<bool?>(true))
+                return 100;
+            else
+                return 101;
+        } catch (Exception) {
+            return -1;
+        }
+    }
+}

src/tests/JIT/Regression/JitBlue/Runtime_94467/Runtime_94467.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildProjectName).cs" />
+  </ItemGroup>
+</Project>