3 calls to drupal_path_alias_whitelist_rebuild()

drupal_clear_path_cache in includes/path.inc
Clear the path cache.
drupal_lookup_path in includes/path.inc
Given an alias, return its Drupal system URL if one exists. Given a Drupal system URL return one of its aliases if such a one exists. Otherwise, return FALSE.
system_update_7042 in modules/system/system.install
Upgrade the {url_alias} table and create a cache bin for path aliases.

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