Switch multicast delegate stub on Windows x64 to use stubs-as-il (#11624)

Fixes #11611. The old hand generated assembly path did not work well for structs passed by reference.

2 files changed, 83 insertions, 0 deletions

diff --git a/tests/src/Regressions/coreclr/GitHub_11611/Test11611.csproj b/tests/src/Regressions/coreclr/GitHub_11611/Test11611.csproj
new file mode 100644
index 0000000000..3c7b39f172
--- /dev/null
+++ b/tests/src/Regressions/coreclr/GitHub_11611/Test11611.csproj
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{E55A6F8B-B9E3-45CE-88F4-22AE70F606CB}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <CLRTestKind>BuildAndRun</CLRTestKind>
+    <CLRTestPriority>1</CLRTestPriority>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <!-- Add Compile Object Here -->
+    <Compile Include="test11611.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../../../Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/tests/src/Regressions/coreclr/GitHub_11611/test11611.cs b/tests/src/Regressions/coreclr/GitHub_11611/test11611.cs
new file mode 100644
index 0000000000..cceaafef73
--- /dev/null
+++ b/tests/src/Regressions/coreclr/GitHub_11611/test11611.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.
+// See the LICENSE file in the project root for more information.
+using System;
+
+public struct Data
+{
+    public long Int;
+    public object Obj;
+}
+
+public class Test11611
+{    
+    static bool fail = false;
+
+    public static void handle(Data data, long value)
+    {
+        Console.WriteLine("handle( ( i:{0}, o:{1} ), {2} )", data.Int, data.Obj, value);
+
+        if (data.Int != 0)
+        {
+            fail = true;
+        }
+
+        if (data.Obj != null)
+        {
+            fail = true;
+        }
+
+        data.Int = value;
+        data.Obj = value;
+    }
+
+    public static int Main()
+    {
+        Action<Data, long> handler = handle;
+        handler += handle;
+
+        var data = new Data();
+        handler(data, 123);
+        
+        return fail ? -1 : 100;
+    }
+}