Enumerable dependencies resolving not consistent when open generic is used (area-Extensions-DependencyInjection) #57333
Description
Description
Enumerable dependencies are not resolved consistently when open generic services are registered later.
Ex:
Setup
interface IProcessor<T> {}
record AnyProcessor<T> : IProcessor<T>;
record IntProcessor : IProcessor<int>;Registration
var services = new ServiceCollection();
services.TryAddEnumerable(ServiceDescriptor.Scoped(typeof(IProcessor<int>), typeof(IntProcessor)));
// Fix: ordering open generic above concretes
services.TryAddEnumerable(ServiceDescriptor.Scoped(typeof(IProcessor<>), typeof(AnyProcessor<>)));Resolving
var serviceProvider = services.BuildServiceProvider();
using var scope = serviceProvider.CreateAsyncScope();
// bug is reproducible only when below line enabled
var processor = scope.ServiceProvider.GetService<IProcessor<int>>();
var processors = scope.ServiceProvider.GetService<IEnumerable<IProcessor<int>>>() ?? Enumerable.Empty<IProcessor<int>>();
// prints "IntProcessor -- IntProcessor" instead of IntProcessor -- AnyProcessor`1 if line 17 commented.
Console.WriteLine(string.Join(" -- ", processors.Select(p => p.GetType().Name)));To Reproduce
sample repo to reproduce the bug https://github.com/skclusive/EnumerableCallSiteBugConsole
Configuration
- `dotnet --info
.NET SDK (reflecting any global.json):
Version: 6.0.100-preview.7.21379.14
Commit: 22d70b47bc
Runtime Environment:
OS Name: Windows
OS Version: 10.0.22000
OS Platform: Windows
RID: win10-x64
Base Path: C:\Program Files\dotnet\sdk\6.0.100-preview.7.21379.14\
Host (useful for support):
Version: 6.0.0-preview.7.21377.19
Commit: 91ba017
.NET SDKs installed:
5.0.301 [C:\Program Files\dotnet\sdk]
5.0.400 [C:\Program Files\dotnet\sdk]
6.0.100-preview.7.21379.14 [C:\Program Files\dotnet\sdk]
.NET runtimes installed:
Microsoft.AspNetCore.All 2.1.28 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.28 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-preview.7.21378.6 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.28 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.7.21377.19 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 6.0.0-preview.7.21378.9 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
- Microsoft Visual Studio Community 2022 Preview (64-bit) Version 17.0.0 Preview 3.0
