[Bug c/79153] -Wimplicit-fallthrough missed warning

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79153

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Adding default: break; to the inner switch doesn't help, adding any non-switch
statement after the inner switch helps.