BUG #17206: the function array_cat(anyarray, anyarray) does not exist - Mailing list pgsql-bugs

The following bug has been logged on the website:

Bug reference:      17206
Logged by:          Edouard HIBON
Email address:      edouard.hibon@free.fr
PostgreSQL version: 14.0
Operating system:   windows 10
Description:

Trying to create the following aggregate function :
CREATE AGGREGATE array_accum (anyarray)
(
    sfunc = array_cat,
    stype = anyarray,
    initcond = '{}'
);

I get the ERROR : the function array_cat(anyarray, anyarray) does not exist,
SQL state: 42883
whereas this works in PostGreSQL 13.4