// { dg-do run }
// { dg-output "coroutine name: MyFoo" }
#include <coroutine>
#include <cstdio>

struct pt
{
    using handle_t = std::coroutine_handle<pt>;
    auto get_return_object() noexcept { return handle_t::from_promise(*this); }

    std::suspend_never initial_suspend () const noexcept { return {}; }
    std::suspend_never final_suspend () const noexcept { return {}; }
    void return_void() const noexcept {}
    void unhandled_exception() const noexcept {}
};

template <> struct std::coroutine_traits<pt::handle_t>
    { using promise_type = pt; };

static pt::handle_t MyFoo ()
{ 
    printf ("coroutine name: %s\n", __builtin_FUNCTION());
    co_return;
}

int main()
{
    MyFoo ();
}