pretty-print.c: Include tree.h.

pretty-print.c: Include tree.h.

	* pretty-print.c: Include tree.h.
	(pp_base_prepare_to_format): New function, logic from
	text_specifies_location.
	(pp_base_format_text): Use gcc_assert.
	* pretty-print.h (pp_prepare_to_format): New macro.
	(pp_base_prepare_to_format): Prototype.
	* diagnostic.c (text_specifies_location): Delete.
	(bug_report_request): Delete.
	(diagnostic_set_info): Don't call text_specifies_location.
	(diagnostic_action_after_output): Put text from
	bug_report_request inline here.  Use gcc_unreachable.
	(diagnostic_report_current_function): Fix comment.
	(diagnostic_report_diagnostic): Clarify logic for error recursion.
	Call pp_prepare_to_format before diagnostic_starter.
	(trim_filename): Use IS_DIR_SEPARATOR.
	(fatal_error, internal_error): Use gcc_unreachable.
	(error_recursion): Call diagnostic_action_after_output to
	issue the bug_report_request message and exit.
	* Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.

	* c-parse.in: Add list of diagnostic messages to insulate
	translation template from version of yacc/bison used to
	compile the grammar.
java:
	* parse.y, parse-scan.y: Add list of diagnostic messages to
	insulate translation template from version of yacc/bison used
	to compile the grammar.
treelang:
	* parse.y: Add list of diagnostic messages to insulate
	translation template from version of yacc/bison used to
	compile the grammar.
po:
	* gcc.pot: Regenerate.

From-SVN: r88590