PR c++/25185
	* c-common.h, c-common.c: Add flag_pretty_templates.
	* c-opts.c (c_common_handle_option): Set it.
	* c.opt: Add -fno-pretty-templates.
	* doc/invoke.texi (C++ Dialect Options): Likewise.

	* error.c (dump_function_decl): Don't pretty-print templates
	if -fno-pretty-templates.
	(count_non_default_template_args): Print all args if
	-fno-pretty-templates.

From-SVN: r145697