From 8ba07fc124eee6a0fbb6f886e90ffd0628e86e48 Mon Sep 17 00:00:00 2001
From: Vladimir Sadov <vsadov@microsoft.com>
Date: Wed, 3 May 2017 15:22:32 -0700
Subject: [PATCH] Adding System\Runtime\CompilerServices\IsByRefLikeAttribute
 type (#11369)

described in: https://github.com/dotnet/corefx/issues/19212
---
 .../shared/System.Private.CoreLib.Shared.projitems  |  3 ++-
 .../CompilerServices/IsByRefLikeAttribute.cs        | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 src/mscorlib/shared/System/Runtime/CompilerServices/IsByRefLikeAttribute.cs

diff --git a/src/mscorlib/shared/System.Private.CoreLib.Shared.projitems b/src/mscorlib/shared/System.Private.CoreLib.Shared.projitems
index 75d31c0..4a67af32 100644
--- a/src/mscorlib/shared/System.Private.CoreLib.Shared.projitems
+++ b/src/mscorlib/shared/System.Private.CoreLib.Shared.projitems
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
@@ -284,6 +284,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\INotifyCompletion.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\InternalsVisibleToAttribute.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\IsConst.cs"/>
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\IsByRefLikeAttribute.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\IsVolatile.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\IteratorStateMachineAttribute.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\CompilerServices\ITuple.cs"/>
diff --git a/src/mscorlib/shared/System/Runtime/CompilerServices/IsByRefLikeAttribute.cs b/src/mscorlib/shared/System/Runtime/CompilerServices/IsByRefLikeAttribute.cs
new file mode 100644
index 0000000..90e49d2
--- /dev/null
+++ b/src/mscorlib/shared/System/Runtime/CompilerServices/IsByRefLikeAttribute.cs
@@ -0,0 +1,21 @@
+// 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.ComponentModel;
+
+namespace System.Runtime.CompilerServices
+{
+    /// <summary>
+    /// Reserved to be used by the compiler for tracking metadata.
+    /// This attribute should not be used by developers in source code.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    [AttributeUsage(AttributeTargets.Struct)]
+    public sealed class IsByRefLikeAttribute : Attribute
+    {
+        public IsByRefLikeAttribute()
+        {
+        }
+    }
+}
-- 
2.7.4