Isaiah 65:4

They live in sepulchers, and they sleep in the shrines of idols. They eat the flesh of swine, and a profane elixir is in their vessels

Other versions

King James Version

Which remain among the graves, and lodge in the monuments, which eat swine's flesh, and broth of abominable things is in their vessels;

English Standard Version

who sit in tombs, and spend the night in secret places; who eat pig's flesh, and broth of tainted meat is in their vessels;

New International Version

who sit among the graves and spend their nights keeping secret vigil; who eat the flesh of pigs, and whose pots hold broth of unclean meat;