4 calls to user_role_save()

DrupalWebTestCase::drupalCreateRole in modules/simpletest/drupal_web_test_case.php
Creates a role with specified permissions.
standard_install in profiles/standard/standard.install
Implements hook_install().
user_admin_roles_order_submit in modules/user/user.admin.inc
Form submit function. Update the role weights.
user_admin_role_submit in modules/user/user.admin.inc
Form submit handler for the user_admin_role() form.

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