Repro steps

On a windows 10, fresh VS2017 install

[<EntryPoint>]
let main _ =
  let x = 42
  let x = 7
  printfn "%d" x // breaking on this line, watch and tooltip say x=42
  0

Expected behavior

Tooltip will display x value of shadowing binding.

Actual behavior

Tooltip displays x value of shadowed binding.