Based on a previous patch form Michal Ludvig:
* gdbtypes.c (append_flags_type_flag, init_flags_type): New
functions.
(is_integral_type, rank_one_type, recursive_dump_type): Add
support for TYPE_CODE_FLAGS.
* gdbtypes.h (enum type_code): Add TYPE_CODE_FLAGS.
(append_flags_type_field, init_flags_type): New prototypes.
* ada-valprint.c (ada_val_print_1): Add support for
TYPE_CODE_FLAGS.
* c-valprint.c (c_val_print): Likewise.
* f-valprint.c (f_val_print): Likewise.
* p-valprint.c (pascal_val_print): Likewise.
* valprint.c (val_print_type_code_flags): New function.
* valprint.h (val_print_type_code_flags): New prototype.
* value.c (unpack_long, value_from_longest): Add support for
TYPE_CODE_FLAGS.