// Issue 35104: Since both URLs have the same host (localhost)
// but different ports, sensitive headers like Cookie and Authorization
// are preserved.
func TestClientCopyHeadersOnRedirect(t *testing.T) { run(t, testClientCopyHeadersOnRedirect) }
func testClientCopyHeadersOnRedirect(t *testing.T, mode testMode) {
	const (
		ua   = "some-agent/1.2"
		xfoo = "foo-val"
	)
	var ts2URL string