Insofar as I understand what you want to do, this might be one way: 

Win8 Strawberry 5.8.9.5 (32)  Sun 08/15/2021 14:00:28
C:\@Work\Perl\monks
>perl

use strict;
use warnings;

use Data::Dump qw(dd);

my %current_main_record;

for my $x (qw(foo bar baz)) {
    my $ar_role_records;  # new array ref.
    for my $y (qw(zip zap zop)) {
        push @$ar_role_records, "$x:$y";
        }
    push @{ $current_main_record{'role_data'} }, $ar_role_records;
    }

dd \%current_main_record;

^Z
{
  role_data => [
    ["foo:zip", "foo:zap", "foo:zop"],
    ["bar:zip", "bar:zap", "bar:zop"],
    ["baz:zip", "baz:zap", "baz:zop"],
  ],
}

[download]
See Perl Data Structures Cookbook.

Update:

... I am trying to add an array to a list ... an array of hashes.
Maybe this is closer to what you want: 
Win8 Strawberry 5.8.9.5 (32)  Sun 08/15/2021 17:43:06
C:\@Work\Perl\monks
>perl

use strict;
use warnings;

use Data::Dump qw(dd);

my %current_main_record;

for my $k (qw(a b c)) {
    my @role_records;  # new array
    for my $v (qw(Z Y)) {
        push @role_records, { $k => $v };
        }
    push @{ $current_main_record{'role_data'} }, \@role_records;
    }

dd \%current_main_record;

^Z
{
  role_data => [
    [{ a => "Z" }, { a => "Y" }],
    [{ b => "Z" }, { b => "Y" }],
    [{ c => "Z" }, { c => "Y" }],
  ],
}

[download]

Give a man a fish:  <%-{-{-{-<

In reply to Re: How to create a new array with the same name as an existing one in a loop? (updated) by AnomalousMonk
in thread How to create a new array with the same name as an existing one in a loop? by MrSnrub

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