Error with Layout/SpaceInsideArrayLiteralBrackets

[QuentinFchx]

When inspecting code such as:

module Foo
    def bar
        ActiveRecord::Base.connection.execute(<<-SQL).hmap { |row| [row['name'], row['count'].to_i] }
            SELECT
                name,
                COUNT(DISTINCT baz.id) AS count
            FROM foo
        SQL
    end
end

---

Expected behavior

The linter should work

Actual behavior

undefined method '+' for nil:NilClass is thrown.

ruby/2.5.0/gems/rubocop-0.53.0/lib/rubocop/cop/layout/space_inside_array_literal_brackets.rb:122:in `next_to_newline?'
ruby/2.5.0/gems/rubocop-0.53.0/lib/rubocop/cop/layout/space_inside_array_literal_brackets.rb:79:in `on_array'

Steps to reproduce the problem

See code snippet above.

RuboCop version

0.53.0 (using Parser 2.5.0.3, running on ruby 2.5.0 x86_64-darwin17)