checking package dependencies
compiling IsEOFAfterClose.bsv
code generation for sysIsEOFAfterClose starts
Error: "Prelude.bs", line 3836, column 36: (S0085)
  Failure during a file handle operation:
    illegal operation
  During elaboration of `res' at "Prelude.bs", line 3836, column 29.
  During elaboration of `b' at "IsEOFAfterClose.bsv", line 13, column 4.
  During elaboration of `sysIsEOFAfterClose' at "IsEOFAfterClose.bsv", line 2,
  column 8.