[Bug c/71249] -Wswitch-unreachable false positive for a compound statement containing a used label

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71249

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The warning is correct that is i = 0; can never be executed.