Please provide a succinct description of the issue.

When using SDK 5.0.300 and one uses an identifier in a type parameter one get a FS3045 compilation error.
It works on SDK 5.0.203

Provide the steps required to reproduce the problem:

1. Use SDK 5.0.300
2. Compile the code below, also see FS3045 error reproduction repro

open System
open FSharp.Data

type Sample = XmlProvider<Schema="Sample.xsd",
                          ResolutionFolder=__SOURCE_DIRECTORY__>

Expected behavior

It should work as it does in SDK 5.0.203.

Actual behavior

A FS3045 compilation error.

Known workarounds

1. Use SDK 5.0.203
2. Put the identifier into a [<Literal>] value.

[<Literal>]
let refDir = __SOURCE_DIRECTORY__
type Sample = XmlProvider<Schema="Sample.xsd",
                          ResolutionFolder=refDir>

Provide any related information (optional):

• Operating system: Windows 10
• .NET Runtime kind (.NET Core, .NET Framework, Mono): dotnet-sdk 5.0.300
• Editing Tools (e.g. Visual Studio Version, Visual Studio): Visual Studio Code (probably not related)