This bug is in both VS2015 and VS2017

Errors for transitive #load on missing files are not shown in the IDE. (Other errors such as type checking and parsing errors in transitively-loaded scripts are correctly shown, it's just that the missing-file errors are not replayed)

Repro steps

script1.fsx:

#load "script2.fsx"

System.Console.WriteLine("Hello")

script2.fsx:

#load "bad.fsx"

let fail = 1 + 1

Expected behavior

The IDE shows an error on #load script2.fsx in script1.fsx, because there is a transitive missing-script error in the script being loaded

Actual behavior

No error is shown in script1.fsx

Known workarounds

You find out when you run the script