Regression test for GitHub issue #71319 (#71461)

* Regression test for GitHub issue #71319

* Fix runtime assertion failure due to wrong GC mode

* Disable the new regression test on Mono with issue #71910

src/coreclr/vm/methodtable.cpp

@@ -8042,7 +8042,7 @@ MethodTable::ResolveVirtualStaticMethod(
 
                         if (allowVariantMatches)
                         {
-                            equivalentOrVariantCompatible = pItfInMap->CanCastTo(pInterfaceType, NULL);
+                            equivalentOrVariantCompatible = pItfInMap->CanCastToInterface(pInterfaceType, NULL);
                         }
                         else
                         {

src/tests/Loader/classloader/StaticVirtualMethods/RegressionTests/GitHub_71319.cs

@@ -0,0 +1,34 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+
+interface IFoo<in T>
+{
+    static virtual string DoStatic() => typeof(T).ToString();
+}
+
+interface IFoo2<in T>
+{
+    static abstract string DoStatic();
+}
+
+class Fooer<T> : IFoo2<T>
+{
+    public static string DoStatic() => typeof(T).ToString();
+}
+
+class Program : IFoo<object>
+{
+    static string CallStatic<T, U>() where T : IFoo<U> => T.DoStatic();
+    static string CallStatic2<T, U>() where T : IFoo2<U> => T.DoStatic();
+
+    static int Main()
+    {
+        string staticResult1 = CallStatic<Program, string>();
+        Console.WriteLine("SVM call result #1: {0} (System.Object expected - using default interface implementation)", staticResult1);
+        string staticResult2 = CallStatic2<Fooer<object>, string>();
+        Console.WriteLine("SVM call result #2: {0} (System.Object expected - using implementation in a helper class)", staticResult2);
+        return (staticResult1 == "System.Object" && staticResult2 == "System.Object" ? 100 : 101);
+    }
+}

src/tests/Loader/classloader/StaticVirtualMethods/RegressionTests/GitHub_71319.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+  <PropertyGroup>
+    <DebugType>Full</DebugType>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileName).cs" />
+  </ItemGroup>
+</Project>

src/tests/issues.targets

@@ -1519,6 +1519,9 @@
         <ExcludeList Include="$(XunitTestBinBase)/Loader/classloader/MethodImpl/CovariantReturns/Structs/IncompatibleOverride/**">
             <Issue>Crashes during LLVM AOT compilation.</Issue>
         </ExcludeList>
+        <ExcludeList Include="$(XunitTestBinBase)/Loader/classloader/StaticVirtualMethods/RegressionTests/GitHub_71319/**">
+            <Issue>https://github.com/dotnet/runtime/issues/71910</Issue>
+        </ExcludeList>
 
         <ExcludeList Include="$(XunitTestBinBase)/JIT/HardwareIntrinsics/General/HwiOp/CompareVectorWithZero/**">
             <Issue>https://github.com/dotnet/runtime/pull/65632#issuecomment-1046294324</Issue>