No suggestions in switch expression arm when dotting on an enum type in a Color Color case

[Rekkonnect]

Version Used

VS 2022 Version 17.11.4
Roslyn 4.11.0 (5649376)

Project info
C# 12.0
.NET 8.0

Steps to Reproduce

Paste the following snippet and place the cursor at the position of $$:

public sealed record OrderModel(int Id, Status Status)
{
    public string StatusDisplay
    {
        get
        {
            return Status switch
            {
                Status.$$
            }
        }
    }
}

public enum Status
{
    Undisclosed,
    Open,
    Closed,
}

In SharpLab

In the above example, the auto complete will not show any suggestions. Note that this also works in a regular class, not binding to the primary constructor parameter, and also when the current context is a static method.

Expected Behavior

I get all the suggestions for the enum field values of Status that I can use.

Actual Behavior

No suggestions appear.

[Rekkonnect]

Can I take this up?

[CyrusNajmabadi]

Yes :)

[Rekkonnect]

This also hides an actual bug of a very unusual Color Color case shown below:

public sealed record OrderModel(int Id, Outer.Status Status)
{
    public string Outer { get; }
    public string Inner { get; }

    public string StatusDisplay
    {
        get
        {
            return this switch
            {
                { Inner: Outer.Status.A } => "",
                { Inner: Outer } => "",
            };
        }
    }
}

public static class Outer
{
    public enum Status { A, B, C }
}

Outer binds to the property Outer, despite being directly inside a ConstantPattern, because it is a SimpleMemberAccess. When binding, SimpleMemberAccess is evaluated to always resolve Color Color cases, regardless of the context, assuming that the convention was to use SimpleMemberAccess when there is the probability of binding to a member or a type, and QualifiedName when we will always expect a type.

This same bug can also be observed in parenthesized constant patterns:

public sealed record OrderModel(int Id, Status Status)
{
    public string StatusDisplay
    {
        get
        {
            if (Status is (Status.$$))
                ;
        }
    }
}

public enum Status
{
    Undisclosed,
    Open,
    Closed,
}