vtest "symbol lookup order issue"

vinyl v1 -errvcl {Name 'debug' already defined.} {
	vcl 4.0;
	import debug;

	backend debug {
		.host = "${localhost}";
		.port = "80";
	}

	sub debug {
		set req.backend_hint = debug;
	}

	sub vcl_recv {
		call debug;
	}
}
