[PATCH] Fix slowness in demangler

[PATCH] Fix slowness in demangler

	* cp-demangle.c (d_print_init): Remove const from 4th param.
	(cplus_demangle_fill_name): Initialize d->d_counting.
	(cplus_demangle_fill_extended_operator): Likewise.
	(cplus_demangle_fill_ctor): Likewise.
	(cplus_demangle_fill_dtor): Likewise.
	(d_make_empty): Likewise.
	(d_count_templates_scopes): Remobe const from 3rd param,
	Return on dc->d_counting > 1,
	Increment dc->d_counting.
        * cp-demint.c (cplus_demangle_fill_component): Initialize d->d_counting.
	(cplus_demangle_fill_builtin_type): Likewise.
	(cplus_demangle_fill_operator): Likewise.

	* demangle.h (struct demangle_component): Add member
	d_counting.

From-SVN: r278359