Package: pari
Version: 2.8.0, [2, 8, 0, 18817, "dd05d56"]

> polrootsreal(x^3 - 3*x^2 - 3*x + 2)
  ***   at top-level: polrootsreal(x^3-3*x
  ***                 ^--------------------
  *** polrootsreal: bug in PARI/GP (Segmentation Fault), please report.
  ***   Break loop: type 'break' to go back to GP prompt