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2009-07-08 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/40330 PR libfortran/40662 * io/io.h (st_parameter_dt): Define format_not_saved bit used to signal whether the parsed format data was previously saved. Used to determine if the current format data should be freed or not. * io/transfer.c (st_read_done): Use the format_not_saved bit. (st_write_done): Likewise. * io/format.c (parse_format_list): Add boolean pointer to arg list. This pointer is used to return status to the caller regarding whether it is safe to cache the parsed format data. Currently, if a FMT_STRING token is encounetered, it is not safe to cache. Also, added a local boolean variable to hold this information as recursive calls to parse_format_list are made. Remove previous save_format logic. (parse_format): Do not use the format caching facility if the current unit is an internal unit or if it is not safe to save parsed format data. From-SVN: r149398