[xeeeeeeeeeeenu]

For example, I've just reported this: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101537

You can find more cases in the bugtracker. To be fair, it seems many of them were fixed in recent releases.

[Cloudef]

The 1 and 0 are ints. It most likely complaints because the sign isn't same.