$|=1;
print "1..3\n";
# test for known buggy perls
use Coro;
print "ok 1\n";
# Debian allocates 0.25mb of local variables in Perl_magic_get,
# normal is <<256 bytes. If your perl segfaults here, try getting a
# newer one or increase the C context stack space to a few megs.
async {
print "ok 2\n";
$1
}->join;
print "ok 3\n";