dbxout.c has two definitions of the structure: dbx and xcoff. The patch forgot to update the xcoff one (lucky AIX :-).
* dbxout.c (xcoff_debug_hooks): Add filename parameter to early_finish hook. Thanks, David Index: dbxout.c =================================================================== --- dbxout.c (revision 240270) +++ dbxout.c (working copy) @@ -388,8 +388,8 @@ const struct gcc_debug_hooks xcoff_debug_hooks = { dbxout_init, dbxout_finish, + debug_nothing_charstar, debug_nothing_void, - debug_nothing_void, debug_nothing_int_charstar, debug_nothing_int_charstar, dbxout_start_source_file,