Type providers can emit code which currently cause a failure in FCS TAST traversal, see https://github.com/fsharp/FSharp.Compiler.Service/issues/568

Solutions: (workaround in WS) finish ReflectedDefinition-based fallback translation - needs the "corrector" logic ported from WS3 (removing outer lambda expressions based on argument currying info) add a fallback case in FCS to expose unresolved IL calls through the TAST API, handle these calls in WS4 F# code reader