Error found:
in module Main
at tests/purs/failing/OverlappingInstances.purs:10:1 - 11:13 (line 10, column 1 - line 11, column 13)

  Overlapping type class instances found for
                 
    Main.Test Int
                 
  The following instances were found:

    Main.testRefl
    Main.testInt


in type class instance
               
  Main.Test Int
               

See https://github.com/purescript/documentation/blob/master/errors/OverlappingInstances.md for more information,
or to contribute content related to this error.