* pretty-print.c (pp_base_maybe_space): New function.
	* pretty-print.h (pp_base_maybe_space): Declare.
	(pp_maybe_space): New macro.
cp/
	* error.c (enum pad): Remove.
	(dump_qualifiers): Likewise.
	(dump_type): Replace dump_qualifiers with
	* pp_cxx_cv_qualifier_seq.
	(dump_aggr_type): Likewise.
	(dump_type_suffix): Likewise.
	(dump_simple_decl): Likewise.
	(dump_function_decl): Likewise.
	(cv_to_string): Likewise.
	(dump_type_prefix): Likewise.  Adjust return void.
	* cxx-pretty-print.c (pp_cxx_cv_qualifier_seq): Move to
	cxx_pretty_print.h.
	(pp_cxx_template_keyword_if_needed): Document.
	(pp_cxx_qualified_id): Document case FUNCTION_DECL.  Tidy.
	(pp_cxx_expression): Handle NON_DEPENDENT_EXPR and
	MUST_NOT_THROW_EXPR.
testsuite/
	* g++.dg/template/qualttp20.C: Adjust dg- regexp.

From-SVN: r79796