[Bug c++/71502] Fold expression unpacks (I < ...) the wrong way

[michele.caini at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71502

--- Comment #2 from Michele Caini <michele.caini at gmail dot com> ---
Example on godbolt.org with GCC 6.1.0: https://godbolt.org/g/9meqv4