libiberty: sync with gcc

libiberty: sync with gcc

libiberty/ 2014-01-06 Gary Benson <gbenson@redhat.com>

	* cp-demangle.c (struct d_print_info): New fields
	next_saved_scope, copy_templates, next_copy_template and
	num_copy_templates.
	(d_count_templates): New function.
	(d_print_init): New parameter "dc".
	Estimate numbers of templates and scopes required.
	(d_print_free): Removed function.
	(cplus_demangle_print_callback): Allocate stack for
	templates and scopes.  Removed call to d_print_free.
	(d_copy_templates): Removed function.
	(d_save_scope): New function.
	(d_get_saved_scope): Likewise.
	(d_print_comp): Replace state saving/restoring code with
	calls to d_save_scope and d_get_saved_scope.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206362 138bc75d-0d04-0410-961f-82ee72b054a4