[Bug other/66827] [6 Regression] left shifts of negative value warnings due to C++14 switch

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66827

--- Comment #5 from Vittorio Zecca <zeccav at gmail dot com> ---
I am traveling now so I cannot double check your hint.
What do you suggest?