}
	if c != 1 {
		panic(fmt.Sprintf("expected collection at phase 1, got phase %d", c))
	}
}

func f() {
	var s StkObj
	s.h = new(HeapObj)
	runtime.SetFinalizer(s.h, func(h *HeapObj) {
		// Remember at what phase the heap object was collected.
		c = n
	})
	g(&s)
	gc()
}

func g(s *StkObj) {
	gc() // heap object is still live here
	runtime.KeepAlive(s)
	gc() // heap object should be collected here

)

type HeapObj [8]int64

type StkObj struct {
	h *HeapObj
}

var n int
var c int = -1

func gc() {
	// encourage heap object to be collected, and have its finalizer run.
	runtime.GC()
	runtime.GC()
	runtime.GC()
	n++
}

var null StkObj

var sink *HeapObj

//go:noinline
func use(p *StkObj) {
}

//go:noinline
func f(s StkObj, b bool) {
	var p *StkObj
	if b {

		}
		r := obj.r
		if r == nil {
			// We've already scanned this object.
			continue
		}
		obj.setRecord(nil) // Don't scan it again.
		if stackTraceDebug {
			printlock()
			print("  live stkobj at", hex(state.stack.lo+uintptr(obj.off)), "of size", obj.size)
			if conservative {
				print(" (conservative)")
			}
			println()
			printunlock()
		}
		gcdata := r.gcdata()
		var s *mspan

		strings.HasSuffix(name, ".arginfo1") ||
		strings.HasSuffix(name, ".argliveinfo") ||
		strings.HasSuffix(name, ".wrapinfo") ||
		strings.HasSuffix(name, ".args_stackmap") ||
		strings.HasSuffix(name, ".stkobj") {
		return 'F' // go:func.* or go:funcrel.*
	}
	if strings.HasPrefix(name, "type:") {
		return 'T'
	}
	return 0
}

func contentHash64(s *LSym) goobj.Hash64Type {

			strings.HasSuffix(name, ".arginfo1"),
			strings.HasSuffix(name, ".argliveinfo"),
			strings.HasSuffix(name, ".wrapinfo"),
			strings.HasSuffix(name, ".args_stackmap"),
			strings.HasSuffix(name, ".stkobj"):
			ldr.SetAttrNotInSymbolTable(s, true)
			symGroupType[s] = sym.SGOFUNC
			ldr.SetCarrierSym(s, symgofunc)
			if ctxt.Debugvlog != 0 {
				align := ldr.SymAlign(s)

	// Populate the stack object data.
	// Format must match runtime/stack.go:stackObjectRecord.
	x := base.Ctxt.Lookup(lv.fn.LSym.Name + ".stkobj")
	x.Set(obj.AttrContentAddressable, true)
	lv.fn.LSym.Func().StackObjects = x
	off := 0
	off = objw.Uintptr(x, off, uint64(len(vars)))
	for _, v := range vars {

					// runtime.etypes must be at the end of
					// the relro data.
					isRelro = true
				}
			case sym.SGOFUNC:
				// The only SGOFUNC symbols that contain relocations are .stkobj,
				// and their relocations are of type objabi.R_ADDROFF,
				// which always get resolved during linking.
				isRelro = false
			}
			if isRelro {
				state.setSymType(s, symnrelro)

func count22(n int) int { return 1 + count23(n-1) }
func count23(n int) int { return 1 + count1(n-1) }

type stkobjT struct {
	p *stkobjT
	x int64
	y [20]int // consume some stack
}

// Sum creates a linked list of stkobjTs.
func Sum(n int64, p *stkobjT) {
	if n == 0 {
		return
	}
	s := stkobjT{p: p, x: n}
	Sum(n-1, &s)
	p.x += s.x
}

func BenchmarkStackCopyWithStkobj(b *testing.B) {

		return false
	}

	core := minio.Core{Client: sclnt}
	sobj, _, _, err := core.GetObject(context.Background(), sourceBucket, srcCtnt.Key, opts)
	if err != nil {
		fmt.Printf("unreadable on source: %s (%s)\n", srcCtnt.Key, err)
		return false
	}

	tobj, _, _, err := core.GetObject(context.Background(), targetBucket, tgtCtnt.Key, opts)
	if err != nil {

func breceiver(c chan bool, strobe chan bool) {
	if !<-c {
		panic("b value")
	}
	strobe <- true
}

func bsender(c chan bool, strobe chan bool) {
	c <- true
	strobe <- true
}

func sreceiver(c chan string, strobe chan bool) {
	if <-c != "hello" {
		panic("s value")
	}
	strobe <- true
}

func ssender(c chan string, strobe chan bool) {
	c <- "hello again"
	strobe <- true
}