* invoke.texi (-fdump-translation-unit): New option.
	* Make-lang.in (CXX_SRCS): Add dump.c.
	* Makefile.in (CXX_OBJS): Add dump.o.
	(dump.o): New target.
	* cp-tree.h (DECL_CONV_FN_P): Document.
	(DECL_OVERLOADED_OPERATOR_P): New function.
	(TYPE_PTRMEM_CLASS_TYPE): New macro.
	(TYPE_PTRMEM_POINTED_TO_TYPE): Likewise.
	(PTRMEM_CST_CLASS): Use TYPE_PTRMEM_CLASS_TYPE.
	(ASM_VOLATILE_P): New macro.
	(STMT_LINENO): Likewise.
	(cp_namespace_decls): New function.
	(dump_node_to_file): New function.
	* decl.c (cp_namespace_decls): New function.
	(walk_namespaces_r): Use it.
	(wrapup_globals_for_namespace): Likewise.
	* decl2.c (flag_dump_translation_unit): New variable.
	(lang_decode_option): Handle -fdump-translation-unit.
	(finish_file): If flag_dump_translation_unit is set, dump the
	translation unit.
	* dump.c: New file.
	* lang-options.h: Add -fdump-translation-unit.
	* pt.c (tsubst_template_parms): Robustify.
	(tsubst_decl): Use DECL_OVERLOADED_OPERATOR_P.
	(tsubst_expr): Use STMT_LINENO.
	* semantics.c (finish_asm_stmt): Eliminate duplicate code.  Check
	for invalid cv-qualifiers even while building templates.

From-SVN: r28434