https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #10 from Bernd Schmidt <bernds at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #9) > The referenced debian bug suggests that there is both an aliasing violation > and unaligned access. In their source code you mean? There's type punning going on in the crc testcase as well, but I think there's some sort of big-endian confusion in the bswap code.