dotnet · marek-safar · Sep 17, 2020 · Sep 4, 2020 · Sep 4, 2020 · Sep 8, 2020
diff --git a/Directory.Build.props b/Directory.Build.props
@@ -7,6 +7,8 @@
     <IsReferenceAssembly Condition="'$(IsReferenceAssembly)' == '' and '$([System.IO.Path]::GetFileName($(MSBuildProjectDirectory)))' == 'ref'">true</IsReferenceAssembly>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(IsReferenceAssembly)' == 'true' ">
+    <!-- Since .NET 5 reference assemblies are always produced -->
+    <ProduceReferenceAssembly>false</ProduceReferenceAssembly>
     <ProduceOnlyReferenceAssembly>true</ProduceOnlyReferenceAssembly>
     <!-- Used by Arcade to compute OutputPath, IntermediateOutputPath, etc. early in the import chain. -->
     <OutDirName>$(MSBuildProjectName)/ref</OutDirName>

diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
@@ -3,7 +3,7 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20464.13">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20466.13">
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>bd918c64b786bdba42e895e4cb93603e5a2ca608</Sha>
     </Dependency>

diff --git a/eng/Versions.props b/eng/Versions.props
@@ -17,11 +17,12 @@
     <!-- see https://github.com/dotnet/runtime/issues/1338 -->
     <MicrosoftNETCoreILAsmVersion>$(MicrosoftNETSdkILPackageVersion)</MicrosoftNETCoreILAsmVersion>
     <!-- These should match the SDK version at https://github.com/dotnet/sdk/blob/master/eng/Versions.props -->
-    <SystemReflectionMetadataVersion>1.5.0</SystemReflectionMetadataVersion>
+    <SystemReflectionMetadataVersion>1.8.0</SystemReflectionMetadataVersion>
     <MicrosoftBuildFrameworkVersion>15.4.8</MicrosoftBuildFrameworkVersion>
     <MicrosoftBuildUtilitiesCoreVersion>15.4.8</MicrosoftBuildUtilitiesCoreVersion>
     <MicrosoftDotNetApiCompatVersion>5.0.0-beta.20464.13</MicrosoftDotNetApiCompatVersion>
     <!-- We depend on (and redistribute) the official Mono.Cecil NuGet package built from https://github.com/jbevain/cecil -->
     <MonoCecilVersion>0.11.2</MonoCecilVersion>
+    <UseVSTestRunner>true</UseVSTestRunner>
   </PropertyGroup>
 </Project>
diff --git a/eng/ilasm.ilproj b/eng/ilasm.ilproj
@@ -4,7 +4,7 @@
   project. -->
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <Target Name="CopyILAsmTool" DependsOnTargets="ResolveIlasmToolPaths" Condition="'$(MonoBuild)' == ''">

diff --git a/global.json b/global.json
@@ -1,14 +1,14 @@
 {
   "tools": {
-    "dotnet": "5.0.100-preview.6.20310.4",
+    "dotnet": "5.0.100-rc.1.20454.5",
     "runtimes": {
       "dotnet": [
-        "3.0.0"
+        "5.0.0-rc.1.20451.14"
       ]
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20464.13",
+    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20466.13",
     "Microsoft.FIX-85B6-MERGE-9C38-CONFLICT": "1.0.0",
     "Microsoft.NET.Sdk.IL": "6.0.0-alpha.1.20463.3"
   }

diff --git a/src/ILLink.Tasks/ILLink.Tasks.csproj b/src/ILLink.Tasks/ILLink.Tasks.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <!-- Keep these in sync with _ILLinkTasksTFM in Sdk.props. -->
     <!-- Keep the netcoreapp TFM in sync with the Mono.Linker.csproj condition below. -->
-    <TargetFrameworks>netcoreapp3.0;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0;net472</TargetFrameworks>
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
     <Description>MSBuild tasks for running the IL Linker</Description>
     <LangVersion>latest</LangVersion>
@@ -36,7 +36,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../linker/Mono.Linker.csproj" PrivateAssets="All" Condition=" '$(TargetFramework)' == 'netcoreapp3.0' " />
+    <ProjectReference Include="../linker/Mono.Linker.csproj" PrivateAssets="All" Condition=" '$(TargetFramework)' == 'net5.0' " />
     <PackageReference Condition="'$(UseCecilPackage)' == 'true'" Include="Mono.Cecil" Version="$(MonoCecilVersion)" PrivateAssets="All" Publish="True" />
     <ProjectReference Condition="'$(UseCecilPackage)' != 'true'" Include="../../external/cecil/Mono.Cecil.csproj" PrivateAssets="All" />
   </ItemGroup>

diff --git a/src/ILLink.Tasks/LinkTask.cs b/src/ILLink.Tasks/LinkTask.cs
@@ -235,7 +235,7 @@ public string ILLinkPath {
 
 				var taskDirectory = Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location);
 				// The linker always runs on .NET Core, even when using desktop MSBuild to host ILLink.Tasks.
-				_illinkPath = Path.Combine (Path.GetDirectoryName (taskDirectory), "netcoreapp3.0", "illink.dll");
+				_illinkPath = Path.Combine (Path.GetDirectoryName (taskDirectory), "net5.0", "illink.dll");
 				return _illinkPath;
 			}
 			set => _illinkPath = value;

diff --git a/src/ILLink.Tasks/Sdk/Sdk.props b/src/ILLink.Tasks/Sdk/Sdk.props
@@ -13,7 +13,7 @@ Copyright (c) .NET Foundation. All rights reserved.
 
   <PropertyGroup>
     <_ILLinkTasksDirectoryRoot Condition=" '$(_ILLinkTasksDirectoryRoot)' == '' ">$(MSBuildThisFileDirectory)../tools/</_ILLinkTasksDirectoryRoot>
-    <_ILLinkTasksTFM Condition=" '$(MSBuildRuntimeType)' == 'Core' ">netcoreapp3.0</_ILLinkTasksTFM>
+    <_ILLinkTasksTFM Condition=" '$(MSBuildRuntimeType)' == 'Core' ">net5.0</_ILLinkTasksTFM>
     <_ILLinkTasksTFM Condition=" '$(_ILLinkTasksTFM)' == '' ">net472</_ILLinkTasksTFM>
     <_ILLinkTasksDirectory>$(_ILLinkTasksDirectoryRoot)$(_ILLinkTasksTFM)/</_ILLinkTasksDirectory>
     <ILLinkTasksAssembly Condition=" '$(ILLinkTasksAssembly)' == '' ">$(_ILLinkTasksDirectory)ILLink.Tasks.dll</ILLinkTasksAssembly>

diff --git a/src/analyzer/analyzer.csproj b/src/analyzer/analyzer.csproj
@@ -9,7 +9,7 @@
 
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
     <DefineConstants>$(DefineConstants);FEATURE_ILLINK</DefineConstants>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' != ''">

diff --git a/src/analyzer/common/Mono.Options/Options.cs b/src/analyzer/common/Mono.Options/Options.cs
@@ -748,7 +748,7 @@ public string OptionName {
 			get {return this.option;}
 		}
 
-#if !PCL
+#if !PCL && !NETCOREAPP
 #pragma warning disable 618 // SecurityPermissionAttribute is obsolete
 		[SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)]
 #pragma warning restore 618

diff --git a/src/linker/Directory.Build.props b/src/linker/Directory.Build.props
@@ -10,7 +10,6 @@
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
     <AssemblyName>illink</AssemblyName>
     <Description>IL Linker</Description>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
     <PackageId>Microsoft.NET.ILLink</PackageId>
   </PropertyGroup>
 

diff --git a/src/linker/Mono.Linker.csproj b/src/linker/Mono.Linker.csproj
@@ -6,6 +6,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
+    <TargetFramework>net5.0</TargetFramework>
     <DefineConstants>$(DefineConstants);FEATURE_ILLINK</DefineConstants>
     <IsPackable>true</IsPackable>
     <!-- Nuget issues a warning about missing <reference> items in the generated nuspec,
@@ -33,6 +34,7 @@
     <Compile Remove="Linker.Steps\PreserveCalendarsStep.cs" />
     <Compile Remove="Linker.Steps\RemoveFeaturesStep.cs" />
     <Compile Remove="Linker.Steps\ResolveFromXApiStep.cs" />
+    <Compile Remove="System.Diagnostics.CodeAnalysis\*.cs" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/src/linker/ref/Mono.Linker.csproj b/src/linker/ref/Mono.Linker.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <BuildOutputTargetFolder>ref</BuildOutputTargetFolder>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

diff --git a/test/ILLink.Tasks.Tests/ILLink.Tasks.Tests.csproj b/test/ILLink.Tasks.Tests/ILLink.Tasks.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 

diff --git a/test/Mono.Linker.Tests.Cases.Expectations/Mono.Linker.Tests.Cases.Expectations.csproj b/test/Mono.Linker.Tests.Cases.Expectations/Mono.Linker.Tests.Cases.Expectations.csproj
@@ -5,10 +5,14 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
   <PropertyGroup Condition="'$(MonoBuild)' != ''">
     <TargetFramework>net471</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup Condition="'$(MonoBuild)' == ''">
+    <Compile Remove="System.Diagnostics.CodeAnalysis\*.cs" />
+  </ItemGroup>
+
 </Project>
diff --git a/test/Mono.Linker.Tests.Cases/DataFlow/XmlAnnotations.xml b/test/Mono.Linker.Tests.Cases/DataFlow/XmlAnnotations.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <linker>
   <assembly fullname="Test">
-      <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+      <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
         <argument>ILLink</argument>
         <argument>IL2067</argument>
         <property name="Scope">member</property>
@@ -18,45 +18,45 @@
       </field>
       <method signature="System.Void TwoAnnotatedParameters(System.Type,System.Type)">
         <parameter name="type">
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>PublicParameterlessConstructor</argument>
           </attribute>
         </parameter>
         <parameter name="type2">
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>PublicConstructors</argument>
           </attribute>
         </parameter>
       </method>
       <method signature="SpacesBetweenParametersWrongArgument (System.Type, System.Boolean)">
         <parameter name="type">
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>NonValidArgument</argument>
           </attribute>
         </parameter>
       </method>
       <method signature="GenericMethod&lt;T&gt;(T,System.Type)">
         <parameter name="type">
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>PublicParameterlessConstructor</argument>
           </attribute>
         </parameter>
       </method>
       <method name="ReturnConstructorsFailure">
         <return>
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>PublicParameterlessConstructor</argument>
           </attribute>
         </return>
       </method>
       <property name="PropertyWithPublicParameterlessConstructor">
-        <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+        <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
           <argument>PublicParameterlessConstructor</argument>
         </attribute>
       </property>
       <type name="NestedType">
         <field name="_typeWithPublicParameterlessConstructor">
-          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+          <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute">
             <argument>PublicParameterlessConstructor</argument>
           </attribute>
         </field>

diff --git a/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyFromAttributeXml.cs b/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyFromAttributeXml.cs
@@ -6,7 +6,15 @@
 
 namespace Mono.Linker.Tests.Cases.DynamicDependencies
 {
-	[SetupLinkAttributesFile ("DynamicDependencyFromAttributeXml.Attributes.xml")]
+	// For netcoreapp we don't have to specify the assembly for the attribute, since the attribute comes from corelib
+	// and will be found always.
+	// For mono though, we have to specify the assembly (Mono.Linker.Tests.Cases.Expectations) because at the time of processing
+	// that assembly is not yet loaded into the closure in the linker, so it won't find the attribute type.
+#if NETCOREAPP
+	[SetupLinkAttributesFile ("DynamicDependencyFromAttributeXml.netcore.Attributes.xml")]
+#else
+	[SetupLinkAttributesFile ("DynamicDependencyFromAttributeXml.mono.Attributes.xml")]
+#endif
 	[IgnoreLinkAttributes (false)]
 	class DynamicDependencyFromAttributeXml
 	{

diff --git a/...ker.Tests.Cases/DynamicDependencies/DynamicDependencyFromAttributeXml.mono.Attributes.xml b/...ker.Tests.Cases/DynamicDependencies/DynamicDependencyFromAttributeXml.mono.Attributes.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<linker>
+	<assembly fullname="test, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
+		<type fullname="Mono.Linker.Tests.Cases.DynamicDependencies.DynamicDependencyFromAttributeXml">
+			<method name="DependencyToUnusedMethod">
+				<attribute fullname="System.Diagnostics.CodeAnalysis.DynamicDependencyAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+					<argument>UnusedMethod</argument>
+				</attribute>
+			</method>
+		</type>
+	</assembly>
+</linker>
diff --git a/...DependencyFromAttributeXml.Attributes.xml → ...cyFromAttributeXml.netcore.Attributes.xml b/...DependencyFromAttributeXml.Attributes.xml → ...cyFromAttributeXml.netcore.Attributes.xml
@@ -3,7 +3,7 @@
   <assembly fullname="test, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
     <type fullname="Mono.Linker.Tests.Cases.DynamicDependencies.DynamicDependencyFromAttributeXml">
       <method name="DependencyToUnusedMethod">
-        <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicDependencyAttribute" assembly="Mono.Linker.Tests.Cases.Expectations">
+        <attribute fullname="System.Diagnostics.CodeAnalysis.DynamicDependencyAttribute">
           <argument>UnusedMethod</argument>
         </attribute>
       </method>

diff --git a/test/Mono.Linker.Tests.Cases/LinkAttributes/OverrideAttributeRemoval.xml b/test/Mono.Linker.Tests.Cases/LinkAttributes/OverrideAttributeRemoval.xml
@@ -3,4 +3,7 @@
   <assembly fullname="Mono.Linker.Tests.Cases.Expectations">
     <type fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute"/>
   </assembly>
+  <assembly fullname="System.Runtime">
+    <type fullname="System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute"/>
+  </assembly>
 </linker>
diff --git a/test/Mono.Linker.Tests.Cases/Mono.Linker.Tests.Cases.csproj b/test/Mono.Linker.Tests.Cases/Mono.Linker.Tests.Cases.csproj
@@ -5,11 +5,11 @@
     <WarningLevel>0</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>Latest</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <DefineConstants>$(DefineConstants);ILLINK</DefineConstants>
   </PropertyGroup>
 

diff --git a/test/Mono.Linker.Tests.Cases/Reflection/ActivatorCreateInstance.cs b/test/Mono.Linker.Tests.Cases/Reflection/ActivatorCreateInstance.cs
@@ -424,6 +424,10 @@ public TestCreateInstanceOfTWithNoConstraintType (int i)
 
 		[Kept]
 		[UnrecognizedReflectionAccessPattern (typeof (Activator), nameof (Activator.CreateInstance) + "<T>", new Type[0], messageCode: "IL2091")]
+#if NETCOREAPP
+		// Warnings are currently duplicated in NETCORE (annotation and intrinsics) - but they're not identical in this case, so we have to list both cases
+		[UnrecognizedReflectionAccessPattern (typeof (Activator), nameof (Activator.CreateInstance) + "<T>()::T", messageCode: "IL2091")]
+#endif
 		private static void TestCreateInstanceOfTWithNoConstraint<T> ()
 		{
 			Activator.CreateInstance<T> ();

diff --git a/.../Mono.Linker.Tests.Cases/Warnings/WarningSuppression/SuppressWarningsUsingTargetViaXml.cs b/.../Mono.Linker.Tests.Cases/Warnings/WarningSuppression/SuppressWarningsUsingTargetViaXml.cs
@@ -8,7 +8,15 @@
 
 namespace Mono.Linker.Tests.Cases.Warnings.WarningSuppression
 {
-	[SetupLinkAttributesFile ("SuppressWarningsUsingTargetViaXml.xml")]
+	// For netcoreapp we don't have to specify the assembly for the attribute, since the attribute comes from corelib
+	// and will be found always.
+	// For mono though, we have to specify the assembly (Mono.Linker.Tests.Cases.Expectations) because at the time of processing
+	// that assembly is not yet loaded into the closure in the linker, so it won't find the attribute type.
+#if NETCOREAPP
+	[SetupLinkAttributesFile ("SuppressWarningsUsingTargetViaXml.netcore.xml")]
+#else
+	[SetupLinkAttributesFile ("SuppressWarningsUsingTargetViaXml.mono.xml")]
+#endif
 	[SetupCompileBefore ("library.dll", new[] { "Dependencies/TriggerWarnings_Lib.cs" })]
 	[KeptAssembly ("library.dll")]
 	[SetupLinkerAction ("link", "library.dll")]

diff --git a/...ion/SuppressWarningsUsingTargetViaXml.xml → ...uppressWarningsUsingTargetViaXml.mono.xml b/...ion/SuppressWarningsUsingTargetViaXml.xml → ...uppressWarningsUsingTargetViaXml.mono.xml
diff --git a/...ker.Tests.Cases/Warnings/WarningSuppression/SuppressWarningsUsingTargetViaXml.netcore.xml b/...ker.Tests.Cases/Warnings/WarningSuppression/SuppressWarningsUsingTargetViaXml.netcore.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<linker>
+	<assembly fullname="library, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
+		<attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
+			<argument>ILLink</argument>
+			<argument>IL2072</argument>
+			<property name="Scope">member</property>
+			<property name="Target">M:Mono.Linker.Tests.Cases.Warnings.WarningSuppression.Dependencies.TriggerWarnings_Lib.Main</property>
+		</attribute>
+		<attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
+			<argument>ILLink</argument>
+			<argument>IL2072</argument>
+			<property name="Scope">member</property>
+			<property name="Target">M:Mono.Linker.Tests.Cases.Warnings.WarningSuppression.Dependencies.TriggerWarnings_Lib.NestedType.Warning3</property>
+		</attribute>
+		<attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
+			<argument>ILLink</argument>
+			<argument>IL2072</argument>
+			<property name="Scope">member</property>
+			<property name="Target">M:Mono.Linker.Tests.Cases.Warnings.WarningSuppression.Dependencies.TriggerWarnings_Lib.NestedType.Warning4``1(System.Collections.Generic.List{``0}@)</property>
+		</attribute>
+		<attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
+			<argument>ILLink</argument>
+			<argument>IL2072</argument>
+			<property name="Scope">member</property>
+			<property name="Target">M:Mono.Linker.Tests.Cases.Warnings.WarningSuppression.Dependencies.TriggerWarnings_Lib.Warning1</property>
+		</attribute>
+		<attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
+			<argument>ILLink</argument>
+			<argument>IL2072</argument>
+			<property name="Scope">member</property>
+			<property name="Target">M:Mono.Linker.Tests.Cases.Warnings.WarningSuppression.Dependencies.TriggerWarnings_Lib.get_Warning2</property>
+		</attribute>
+	</assembly>
+</linker>
diff --git a/test/Mono.Linker.Tests/Mono.Linker.Tests.csproj b/test/Mono.Linker.Tests/Mono.Linker.Tests.csproj
@@ -1,17 +1,14 @@
-<Project>
-  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <LangVersion>latest</LangVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' == ''">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <DefineConstants>$(DefineConstants);ILLINK</DefineConstants>
     <DefineConstants Condition="'$(Configuration)' == 'Debug'">$(DefineConstants);DEBUG</DefineConstants>
-    <!-- Simulate https://github.com/dotnet/sdk/pull/2073 until it ships. -->
-    <DefineConstants Condition="'$(TargetFramework)' == 'netcoreapp3.0'">$(DefineConstants);NETCOREAPP</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(MonoBuild)' != ''">
@@ -72,12 +69,4 @@
     <Exec Command="mono $(PkgNUnit_ConsoleRunner)/tools/nunit3-console.exe --result=TestResults.xml $(OutputPath)Mono.Linker.Tests.dll" />
   </Target>
 
-  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
-
-  <!-- Arcade's custom test imports assume that we are using xunit. -->
-  <!-- Map the Arcade "Test" target to the "VSTest" target used by "dotnet test" -->
-  <Target Name="Test" Condition="'$(MonoBuild)' == ''">
-    <MSBuild Projects="$(MSBuildProjectFile)" Targets="VSTest" />
-  </Target>
-
 </Project>