11 | | sage: (3*A + 3*B + 1)*Zmod(9)(6) |

12 | | 6 |

13 | | sage: (3*A + 3*B)*Zmod(9)(6) |

14 | | <------------ !! |

15 | | sage: |

| 13 | sage: _ = var('A,B') |

| 14 | sage: (3*A + 3*B)*Zmod(9)(6) # Yes, the output is really empty! |

| 15 | |

| 16 | sage: (3*A + 3*B)*Zmod(9)(6)*A |

| 17 | ------------------------------------------------------------------------ |

| 18 | Unhandled SIGSEGV: A segmentation fault occurred in Sage. |

| 19 | This probably occurred because a *compiled* component of Sage has a bug |

| 20 | in it and is not properly wrapped with sig_on(), sig_off(). |

| 21 | Sage will now terminate. |

| 22 | ------------------------------------------------------------------------ |