[Bug c++/113582] incorrect warning about unused label

[nmmm at nmmm dot nu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113582

--- Comment #1 from Nikolay Mihaylov <nmmm at nmmm dot nu> ---
If you move the pragma outside the templated function, no warning is shown:

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-label"

template<bool B>
void do_something(){

        start:

        if constexpr(B)
                goto start;

}

#pragma GCC diagnostic pop