6 calls to LanguageManager::getStandardLanguageList()

install_check_translations in drupal/core/includes/install.core.inc
Checks installation requirements and reports any errors.
install_import_translations in drupal/core/includes/install.core.inc
Imports languages via a batch process during installation.
install_select_language in drupal/core/includes/install.core.inc
Selects which language to use during installation.
install_select_language_form in drupal/core/includes/install.core.inc
Form constructor for the language selection form.
Language::__construct in drupal/core/lib/Drupal/Core/Language/Language.php
Language constructor builds the default language object.
language_admin_predefined_list in drupal/core/modules/language/language.admin.inc
Prepare a language code list for unused predefined languages.