vtest "VCC reference bug"

server s1 {
	rxreq
	txresp -body "FOO"
} -start

vinyl v1 -errvcl {Undefined backend s-1, first reference:} {
	backend b { .host = "${localhost}"; }
	sub s1 {
	}
	sub vcl_backend_response {
	    if (bereq.backend == s-1){
		set bereq.backend = s-1;
	    }
	}
}
