[Bug c/77946] -Wimplicit-fallthrough=1 ICE: tree check: expected tree that contains ‘decl with visibility’ structure, have ‘label_decl’

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77946

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #5)
> I think my preference would be to try TREE_PRIVATE bit for it instead.

I can do it.