BUG #11749: range_in, range_out dosn't work - Mailing list pgsql-bugs

The following bug has been logged on the website:

Bug reference:      11749
Logged by:          Oleg
Email address:      olegjobs@mail.ru
PostgreSQL version: 9.3.2
Operating system:   Ubuntu 64 14.04
Description:

I have tried this:

Datum test_ext_set_range(PG_FUNCTION_ARGS)
{
    return range_out(fcinfo);
}

in psql:
select test_ext_set_range('[1,2]'::int4range);

error:
The connection to the server lost.