runhugs bug

[Alastair Penney]

System : Hugs1.4c on Solaris2.5

Observed error : runhugs does not report out of heap space, and appears to
                 complete successfully

Example program :

  #!/usr/local/hugs/hugs-1.4c/bin/runhugs
  module Main(main) where
  main :: IO()
  main=main