[8.4.1.201211]The data of Set type has error after migration

You can use the sqls below to reproduce this issue:
1. CREATE TABLE "set_type"(
"set_type" set_of(character varying(765)),
"set_type_number" set_of(character varying(765))
);

2.insert into "set_type" ("set_type", "set_type_number") values ({'h'}, {'-0999999999999999999999999999999999999999999999999'});
insert into "set_type" ("set_type", "set_type_number") values ({'e', 'f', 'g', 'h'}, {'-111', '0222333', '0x21235564767878', '1', '123', '2'});
insert into "set_type" ("set_type", "set_type_number") values ({'sf'}, {'999999999999999999999999999999999999999999999999999999999999999999999'});
insert into "set_type" ("set_type", "set_type_number") values ({'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstu', 'dsd'}, {'-0x3232434234'});