[Bug middle-end/104504] spurious -Wswitch-unreachable warning with -ftrivial-auto-var-init=zero

[kees at outflux dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104504

--- Comment #4 from Kees Cook <kees at outflux dot net> ---
(Ah, I knew this had been reported before. I found it now...)
Duplicate of: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102276