// and have the http package also treat that sentinel
		// variable to mean explicitly zero.
		if req.GetBody != nil && req.ContentLength == 0 {
			req.Body = NoBody
			req.GetBody = func() (io.ReadCloser, error) { return NoBody, nil }
		}
	}

	return req, nil
}

// BasicAuth returns the username and password provided in the request's

		},
		{
			name: "modifyresponse_noerr",
			transport: staticResponseRoundTripper{
				&http.Response{StatusCode: 345, Body: http.NoBody},
			},
			modifyResponse: func(res *http.Response) error {
				res.StatusCode++
				return nil
			},

	// but before AfterCreate and Decorator, indicating via the argument
	// whether the operation succeeded.  If this returns an error, the function
	// is not called.  Almost nobody should use this hook.
	BeginCreate BeginCreateFunc
	// AfterCreate implements a further operation to run after a resource is
	// created and before it is decorated, optional.
	AfterCreate AfterCreateFunc

	wantNoneReg(ctxt, ins, "rs2", ins.rs2)
	wantNoneReg(ctxt, ins, "rs3", ins.rs3)
}

func validateRaw(ctxt *obj.Link, ins *instruction) {
	// Treat the raw value specially as a 32-bit unsigned integer.
	// Nobody wants to enter negative machine code.
	if ins.imm < 0 || 1<<32 <= ins.imm {
		ctxt.Diag("%v: immediate %d in raw position cannot be larger than 32 bits", ins.as, ins.imm)
	}
}

// This lets rewindBody avoid an error result when the request
// does not have GetBody but the body hasn't been read at all yet.
func setupRewindBody(req *Request) *Request {
	if req.Body == nil || req.Body == NoBody {
		return req
	}
	newReq := *req
	newReq.Body = &readTrackingBody{ReadCloser: req.Body}
	return &newReq
}

// rewindBody returns a new request with the body rewound.

// at the beginning of main).
var MemProfileRate int = 512 * 1024

// disableMemoryProfiling is set by the linker if runtime.MemProfile
// is not used and the link type guarantees nobody else could use it
// elsewhere.
var disableMemoryProfiling bool

// A MemProfileRecord describes the live objects allocated
// by a particular call sequence (stack trace).
type MemProfileRecord struct {

			done = globalScannerMetrics.time(scannerMetricTierObjSweep)
			globalExpiryState.enqueueFreeVersion(oi)
			done()
		}

		// These are rather expensive. Skip if nobody listens.
		if globalTrace.NumSubscribers(madmin.TraceScanner) > 0 {
			if len(fivs.FreeVersions) > 0 {
				res["free-versions"] = strconv.Itoa(len(fivs.FreeVersions))
			}

			if sizeS.versions > 0 {