* diagnostic.c (diagnostic_set_caret_max_width): Use pp_buffer.
	* gimple-pretty-print.c (gimple_dump_bb_buff): Likewise.
	* pretty-print.c (pp_formatted_text_data): Likewise.
	(pp_write_text_to_stream): Likewise.
	(pp_write_text_as_dot_label_to_stream): Likewise.
	(pp_append_r): Likewise.
	(pp_format): Likewise.
	(pp_flush): Likewise.
	(pp_clear_output_area): Likewise.
	(pp_append_text): Likewise.
	(pp_formatted_text): Likewise.
	(pp_remaining_character_count_for_line): Likewise.
	(pp_newline): Likewise.
	(pp_character): Likewise.
	(output_buffer::~output_buffer): Define.
	(pretty_printer::~pretty_printer): Destruct output buffer.
	* pretty-print.h (output_buffer::~output_buffer): Declare.
	(pretty_printer::~pretty_printer): Declare virtual.

c/
	* c-objc-common.c (c_tree_printer): Document the nature of the cast.
	(c_initialize_diagnostics): Call a destructor for the early printer.

cp/
	* cp-objcp-common.c (cxx_initialize_diagnostics): Call a
	destructor for the early printer.
	* error.c (type_to_string): Use pp_buffer.

From-SVN: r201956