// If the Body is nil (or http.NoBody), it's safe to reuse
	// this request and its Body.
	if req.Body == nil || req.Body == NoBody {
		return req, nil
	}

	// If the request body can be reset back to its original
	// state via the optional req.GetBody, do that.
	if req.GetBody != nil {
		body, err := req.GetBody()
		if err != nil {
			return nil, err
		}
		newReq := *req
		newReq.Body = body

		// Expired certificate, delete the entry.
		c.config.ClientSessionCache.Put(cacheKey, nil)
		return nil, nil, nil, nil
	}
	if !c.config.InsecureSkipVerify {
		if len(session.verifiedChains) == 0 {
			// The original connection had InsecureSkipVerify, while this doesn't.
			return nil, nil, nil, nil
		}
		if err := session.peerCertificates[0].VerifyHostname(c.config.ServerName); err != nil {
			return nil, nil, nil, nil
		}
	}

	if trimPath == "" {
		// If the trim path is not configured, try to guess it heuristically:
		// search for basename of each search path in the original path and, if
		// found, strip everything up to and including the basename. So, for
		// example, given original path "/some/remote/path/my-project/foo/bar.c"
		// and search path "/my/local/path/my-project" the heuristic will return
		// "/my/local/path/my-project/foo/bar.c".

		return nil
	}
	var ae AlertError
	if errors.As(err, &ae) {
		return err
	}
	var a alert
	if !errors.As(err, &a) {
		a = alertInternalError
	}
	// Return an error wrapping the original error and an AlertError.
	// Truncate the text of the alert to 0 characters.
	return fmt.Errorf("%w%.0w", err, AlertError(a))
}

func (c *Conn) quicReadHandshakeBytes(n int) error {
	for c.hand.Len() < n {

pkg encoding/binary, func Encode([]uint8, ByteOrder, interface{}) (int, error) #60023
pkg go/ast, func Preorder(Node) iter.Seq[Node] #66339
pkg go/types, method (*Alias) Origin() *Alias #67143
pkg go/types, method (*Alias) Rhs() Type #66559
pkg go/types, method (*Alias) SetTypeParams([]*TypeParam) #67143
pkg go/types, method (*Alias) TypeArgs() *TypeList #67143

(BitRev32 ...) => (RBITW ...)
(BitRev16   x) => (SRLconst [48] (RBIT <typ.UInt64> x))
(BitRev8    x) => (SRLconst [56] (RBIT <typ.UInt64> x))

// In fact, UMOD will be translated into UREM instruction, and UREM is originally translated into
// UDIV and MSUB instructions. But if there is already an identical UDIV instruction just before or
// after UREM (case like quo, rem := z/y, z%y), then the second UDIV instruction becomes redundant.

		}))
		defer proxy.close()

		req, _ := NewRequest("POST", proxy.ts.URL, io.LimitReader(neverEnding('a'), bodySize))
		res, err := proxy.c.Do(req)
		if err != nil {
			return fmt.Errorf("original request: %v", err)
		}
		res.Body.Close()
		return nil
	})
}

// Test that a hanging Request.Body.Read from another goroutine can't
// cause the Handler goroutine's Request.Body.Close to block.

		//		do something without using ind nor nxt
		//		nxt = ind - inc
		//		goto loop
		//
		//	exit_loop:
		//
		// this is better because it only require to keep ind then nxt alive while looping,
		// while the original form keeps ind then nxt and end alive
		start, end := v.min, v.max
		if v.flags&indVarCountDown != 0 {
			start, end = end, start
		}

		// Below we set z.neg = x.neg, and when z aliases y this will
		// change the y operand's sign. This is fine, because if an
		// operand aliases the receiver it'll be overwritten, but we still
		// want the original x.neg and y.neg values when we evaluate
		// x.neg != y.neg, so we need to save y.neg before setting z.neg.
		yneg := y.neg

		z.neg = x.neg
		if x.neg == yneg {
			// x + y == x + y

	testenv.MustHaveCGO(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.parallel()
	tg.tempFile("src/origin/origin.go", `package origin
		// #cgo !darwin,!windows LDFLAGS: -Wl,-rpath,$ORIGIN
		// void f(void) {}
		import "C"
		func f() { C.f() }`)
	tg.setenv("GOPATH", tg.path("."))
	tg.run("build", "origin")
}

func TestCgoPkgConfig(t *testing.T) {
	tooSlow(t, "compiles cgo files")