diagnostic.c: Don't include flags.h.

diagnostic.c: Don't include flags.h.

	* diagnostic.c: Don't include flags.h.
	(pedantic_warning_kind, permissive_error_kind): Take diagnostic
	context parameters.  Check flags in the context passed as a
	parameter.
	(diagnostic_build_prefix): Add context parameter.  Check
	show_column flag in context.
	(diagnostic_action_after_output): Check fatal_errors flag in
	context.
	(diagnostic_report_current_module): Check show_column flag in
	context.
	(default_diagnostic_starter): Update call to
	diagnostic_build_prefix.
	(diagnostic_report_diagnostic): Pass context to
	pedantic_warning_kind.
	(emit_diagnostic): Pass context to permissive_error_kind.
	(permerror): Pass context to permissive_error_kind.
	* diagnostic.h (struct diagnostic_context): Add show_column,
	pedantic_errors, permissive and fatal_errors fields.
	(diagnostic_build_prefix): Update prototype.
	* langhooks.c
	* toplev.c (process_options): Set flags in global_dc from
	flag_show_column, flag_pedantic_errors, flag_permissive,
	flag_fatal_errors.
	* tree-diagnostic.c (default_tree_diagnostic_starter): Update call
	to diagnostic_build_prefix.
	* Makefile.in (diagnostic.o): Update dependencies.

cp:
	* error.c (cp_diagnostic_starter): Update call to
	diagnostic_build_prefix.
	(cp_print_error_function,
	print_instantiation_partial_context_line): Check show_column flag
	in context.

From-SVN: r159793