+2020-05-08 Tom Tromey <tom@tromey.com>
+
+ * extension.c (extension_languages): Now a std::array.
+ (ALL_EXTENSION_LANGUAGES): Remove.
+ (get_ext_lang_defn, get_ext_lang_of_file)
+ (eval_ext_lang_from_control_command): Update.
+ (finish_ext_lang_initialization)
+ (auto_load_ext_lang_scripts_for_objfile)
+ (ext_lang_type_printers::ext_lang_type_printers)
+ (apply_ext_lang_type_printers)
+ (ext_lang_type_printers::~ext_lang_type_printers)
+ (apply_ext_lang_val_pretty_printer, apply_ext_lang_frame_filter)
+ (preserve_ext_lang_values, get_breakpoint_cond_ext_lang)
+ (breakpoint_ext_lang_cond_says_stop, check_quit_flag)
+ (get_matching_xmethod_workers, ext_lang_colorize)
+ (ext_lang_before_prompt): Update.
+ (ALL_ENABLED_EXTENSION_LANGUAGES): Remove.
+