* cp-names.y (demangler_special): New non-terminal.

	* cp-names.y (demangler_special): New non-terminal.
	(DEMANGLER_SPECIAL, CONSTRUCTION_VTABLE, CONSTRUCTION_IN): New
	terminals.
	(GLOBAL_CONSTRUCTORS, GLOBAL_DESTRUCTORS): New enums.
	(tokentab_big): New struct.
	(yylex): Recognize them.  Handle negative literals.
	(parse_number): Handle negative literals.
	(start): Use demangler_special.
	(operator): Correct typos for ->* and ().  Use typespec_2 instead of
	typespec.
	(unqualified_name): Allow operator templates.
	(template_arg): Create a unary operation, not a reference type.
	(exp): Set the type of D_COMP_LITERALs instead of adding a cast
	operation.
	(cp_print, trim_chars): New helper functions.
	(main): Use them.