`free_current_contents' when passed to `make_cleanup'.
* coffread.c (coff_symfile_read): Ditto.
* dwarf2read.c (dwarf2_add_member_fn, read_array_type): Ditto.
(dwarf_decode_lines): Ditto.
* eval.c (parse_and_eval_address, parse_and_eval_address_1): Ditto.
(parse_and_eval, parse_to_comma_and_eval): Ditto.
* parse.c (parse_exp_1): Ditto.
* printcmd.c (print_command_1, output_command, set_command): Ditto.
(x_command, print_frame_args, printf_command): Ditto.
* top.c (execute_control_command): Ditto.
* tracepoint.c (validate_actionline): Ditto.
* typeprint.c (whatis_exp, ptype_command): Ditto.
(maintenance_print_type): Ditto.