Musnad Ahmad 311:6

Muhammad ibn Ja‘far narrated to us, Shu‘bah narrated to us, from Khalid, from Abu Qilabah, from Thabit ibn al-Dahhak—and he was one of the companions of the Tree—then he said afterwards: Or from a man, from Thabit ibn al-Dahhak, from the Prophet, peace and blessings of Allah be upon him, that he said: "Whoever swears by a religion other than Islam, lying and intentionally, then he is as he said. And whoever kills himself with something, or slaughters [himself], Allah will slaughter him with it in the Fire of Hell."