Roslyn: No completion when using pattern matching on an enum

[davidwengier]

Version Used: Version 16.8.0 Preview 5.0

Steps to Reproduce:

Type a . at the $$:

namespace N
{
    enum RankedMusicians
    {
        BillyJoel,
        EveryoneElse
    }

    class C
    {
        void M(RankedMusicians m)
        {
            if (m is RankedMusicians.$$
        }
    }
}

Expected Behavior:
Completion for the enum pops up

Actual Behavior:
Nothin'

[davidwengier]

Nice try, bot.

[CyrusNajmabadi]

This would be in the CSharpTypeInferenceService if anyone wants to take a look.