On Tue, 2020-11-17 at 10:09 -0600, Gustavo A. R. Silva wrote:

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of
letting the code fall through to the next case.

Thanks Gustavo.

I think this is better style than the gcc allowed
undescribed fallthrough to break;

gcc developers disagree though:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91432