<ProjectSdk="Microsoft.NET.Sdk">  <PropertyGroup>    <OutputType>Exe</OutputType>    <TargetFramework>net5.0</TargetFramework>  </PropertyGroup>    <PropertyGroup>    <Optimize>true</Optimize>    <RootAllApplicationAssemblies>false</RootAllApplicationAssemblies>    <IlcInvariantGlobalization>true</IlcInvariantGlobalization>    <IlcGenerateCompleteTypeMetadata>false</IlcGenerateCompleteTypeMetadata>    <IlcDisableReflection>true</IlcDisableReflection>    <IlcOptimizationPreference>Speed</IlcOptimizationPreference>  </PropertyGroup>  <ItemGroup>    <PackageReferenceInclude="Microsoft.DotNet.ILCompiler"Version="6.0.0-*" />  </ItemGroup></Project>

usingSystem;namespaceBugNativeAOT{internalclassProgram{privatereadonlystructSize{publicintWidth{get;}publicintHeight{get;}publiclongArea=>Width*(long)Height;publicSize(intwidth,intheight){Width=width;Height=height;}}privatesealedclassBug{publicBug(Sizes){S=s;}publicSizeS{get;}}privatestaticvoidMain(string[]args){vart=newBug(newSize(0,0));if(t.S.Area==0L){Console.WriteLine("Expected: == operator");}else{Console.WriteLine("UNEXPECTED: == operator");Console.WriteLine($"Area value ={t.S.Area}");}if(0L.Equals(t.S.Area)){Console.WriteLine("Expected: long.Equals");}else{Console.WriteLine("UNEXPECTED: == long.Equals");Console.WriteLine($"Area value ={t.S.Area}");}if(((object)t.S.Area).Equals(0L)){Console.WriteLine("Expected: object.Equals boxed");}else{Console.WriteLine("UNEXPECTED: == object.Equals boxed");Console.WriteLine($"Area value ={t.S.Area}");}}}}

UNEXPECTED: == operatorArea value = 0UNEXPECTED: == long.EqualsArea value = 0Expected: object.Equals boxed