NativeAOT is crashing on static interface method

[hez2010]

Description

On .NET 8 Preview 7.

Repro:

using System.Diagnostics.CodeAnalysis;
using System.Reflection;

IUnknown obj = new Impl();
if (obj.QueryInterface<IBar>(out var bar)) bar.Bar();
if (obj.QueryInterface<IFoo>(out var foo)) foo.Foo();

interface IComInterface
{
 abstract static Guid IID { get; }
}

interface IUnknown : IComInterface
{
 static Guid IComInterface.IID => new("00000000-0000-0000-C000-000000000046");
 static Guid GetIID<TVtbl>() where TVtbl : IComInterface => TVtbl.IID;

 [UnconditionalSuppressMessage("ILLink", "IL2111")]
 [UnconditionalSuppressMessage("ILLink", "IL2075")]
 bool QueryInterface<
 [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.Interfaces | DynamicallyAccessedMemberTypes.NonPublicProperties)] T
 >([NotNullWhen(true)] out T? result) where T : IComInterface
 {
 foreach (var p in GetType()
 .GetInterfaces()
 .SelectMany(([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicProperties)] i)
 => i.GetProperty("IComInterface.IID", BindingFlags.NonPublic | BindingFlags.Static)
 is PropertyInfo propertyInfo ? [propertyInfo] : Array.Empty<PropertyInfo>()))
 {
 if (p.GetValue(this) is Guid guid && guid == GetIID<T>())
 {
 result = (T)this;
 return true;
 }
 }
 result = default;
 return false;
 }
}

interface IFoo : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890AB");
 void Foo();
}

interface IBar : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890CD");
 void Bar();
}

interface IBaz : IComInterface, IFoo, IBar
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890EF");
}

partial struct Impl : IBaz
{
 public void Foo() => Console.WriteLine("foo");
 public void Bar() => Console.WriteLine("bar");
}

Reproduction Steps

Build the source with NativeAOT and run it.

Expected behavior

No crashing.

Actual behavior

Crashing.

Regression?

No response

Known Workarounds

No response

Configuration

No response

Other information

No response

Tagging subscribers to this area: @agocke, @MichalStrehovsky, @jkotas
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Description

On .NET 8 Preview 7.

Repro:

using System.Diagnostics.CodeAnalysis;
using System.Reflection;

IUnknown obj = new Impl();
if (obj.QueryInterface<IBar>(out var bar)) bar.Bar();
if (obj.QueryInterface<IFoo>(out var foo)) foo.Foo();

interface IComInterface
{
 abstract static Guid IID { get; }
}

interface IUnknown : IComInterface
{
 static Guid IComInterface.IID => new("00000000-0000-0000-C000-000000000046");
 static Guid GetIID<TVtbl>() where TVtbl : IComInterface => TVtbl.IID;

 [UnconditionalSuppressMessage("ILLink", "IL2111")]
 [UnconditionalSuppressMessage("ILLink", "IL2075")]
 bool QueryInterface<
 [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.Interfaces | DynamicallyAccessedMemberTypes.NonPublicProperties)] T
 >([NotNullWhen(true)] out T? result) where T : IComInterface
 {
 foreach (var p in GetType()
 .GetInterfaces()
 .SelectMany(([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicProperties)] i)
 => i.GetProperty("IComInterface.IID", BindingFlags.NonPublic | BindingFlags.Static)
 is PropertyInfo propertyInfo ? [propertyInfo] : Array.Empty<PropertyInfo>()))
 {
 if (p.GetValue(this) is Guid guid && guid == GetIID<T>())
 {
 result = (T)this;
 return true;
 }
 }
 result = default;
 return false;
 }
}

interface IFoo : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890AB");
 void Foo();
}

interface IBar : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890CD");
 void Bar();
}

interface IBaz : IComInterface, IFoo, IBar
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890EF");
}

partial struct Impl : IBaz
{
 public void Foo() => Console.WriteLine("foo");
 public void Bar() => Console.WriteLine("bar");
}

Reproduction Steps

Build the source with NativeAOT and run it.

Expected behavior

No crashing.

Actual behavior

Crashing.

Regression?

No response

Known Workarounds

No response

Configuration

No response

Other information

No response

Author:	hez2010
Assignees:	-
Labels:	untriaged, area-NativeAOT-coreclr, needs-area-label
Milestone:	-

[jkotas]

Static interface methods

[jkotas]

Reduced repro:

IUnknown obj = new Impl();
Console.WriteLine(obj.M<IBar>());

interface IComInterface
{
 abstract static Guid IID { get; }
}

interface IUnknown : IComInterface
{
 static Guid IComInterface.IID => new("00000000-0000-0000-C000-000000000046");
 static Guid GetIID<TVtbl>() where TVtbl : IComInterface => TVtbl.IID;

 Guid M<T>() where T : IComInterface
 {
 return GetIID<T>();
 }
}

interface IFoo : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890AB");
}

interface IBar : IComInterface, IUnknown
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890CD");
}

interface IBaz : IComInterface, IFoo, IBar
{
 static Guid IComInterface.IID => new("12345678-1234-1234-1234-1234567890EF");
}

partial struct Impl : IBaz
{
}

[jkotas]

Fails in debug runtime with:

Unhandled Exception: System.Diagnostics.DebugProvider+DebugAssertException: at System.Diagnostics.DebugProvider.Fail(String, String) + 0x36
 at System.Diagnostics.Debug.Fail(String, String) + 0x32
 at Internal.Runtime.TypeLoader.GenericDictionaryCell.NonGenericStaticConstrainedMethodCell.Create(TypeBuilder) + 0x60
 at Internal.Runtime.TypeLoader.GenericDictionaryCell.WriteCellIntoDictionary(TypeBuilder, IntPtr*, Int32) + 0x12
 at Internal.Runtime.TypeLoader.GenericDictionary.Finish(TypeBuilder) + 0x68
 at Internal.Runtime.TypeLoader.TypeBuilder.FinishTypeAndMethodBuilding() + 0x191
 at Internal.Runtime.TypeLoader.TypeBuilder.TryBuildGenericMethod(InstantiatedMethod, IntPtr&) + 0x35
 at Internal.Runtime.TypeLoader.TypeLoaderEnvironment.TryGetGenericVirtualMethodPointer(InstantiatedMethod, IntPtr&, IntPtr&) + 0x12b
 at Internal.Runtime.TypeLoader.TypeLoaderEnvironment.ResolveGenericVirtualMethodTarget(RuntimeTypeHandle, RuntimeMethodHandle) + 0xb3
 at System.Runtime.TypeLoaderExports.<>c.<GVMLookupForSlotSlow>b__13_0(IntPtr context, IntPtr signature, Object contextObject, IntPtr& auxResult) + 0x20
 at System.Runtime.TypeLoaderExports.CacheMiss(IntPtr, IntPtr, RuntimeObjectFactory, Object) + 0x3c
 at System.Runtime.TypeLoaderExports.GVMLookupForSlotSlow(Object, RuntimeMethodHandle) + 0x5f
 at System.Runtime.TypeLoaderExports.GVMLookupForSlot(Object, RuntimeMethodHandle) + 0xa0
 at Program.<Main>$(String[] args) + 0x27