[Bug c/68582] -Wunused-function doesn't warn about unused static __attribute__((noreturn)) functions

[palves at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68582

--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Same thing with gcc version 4.8.3 20140911 (Red Hat 4.8.3-7) (GCC) [Fedora 20].