apple clang 6.0.0 (osx 10.9) reports off-bounds in trialdiv.c
Imported issue: Initially reported by @thome in https://gforge.inria.fr/tracker/?group_id=2065&aid=21404
See there.
https://ci.inria.fr/cado/job/compile-osx-109-amd64/1/console
I'm pretty confident it's a false positive.
It's reported on the 2.2 branch. Seems that -Werror is activated there.
E.