ireqhdr.Set("Cookie", strings.Join(ss, "; "))
			}
		}

		// Copy the initial request's Header values
		// (at least the safe ones).
		for k, vv := range ireqhdr {
			if shouldCopyHeaderOnRedirect(k, preq.URL, req.URL) {
				req.Header[k] = vv
			}
		}

		preq = req // Update previous Request with the current request
	}
}