{"runtime.writeBarrier", 0},
	{"runtime.typedmemmove", 1},
	{"runtime.typedmemclr", 1},
	{"runtime.typedslicecopy", 1},
	{"runtime.selectnbsend", 1},
	{"runtime.selectnbrecv", 1},
	{"runtime.selectsetpc", 1},
	{"runtime.selectgo", 1},
	{"runtime.block", 1},
	{"runtime.makeslice", 1},
	{"runtime.makeslice64", 1},
	{"runtime.makeslicecopy", 1},
	{"runtime.growslice", 1},
	{"runtime.unsafeslicecheckptr", 1},

type scase struct {
	c    *hchan         // chan
	elem unsafe.Pointer // data element
}

var (
	chansendpc = abi.FuncPCABIInternal(chansend)
	chanrecvpc = abi.FuncPCABIInternal(chanrecv)
)

func selectsetpc(pc *uintptr) {
	*pc = getcallerpc()
}

func sellock(scases []scase, lockorder []uint16) {
	var c *hchan
	for _, o := range lockorder {
		c0 := scases[o].c
		if c0 != c {
			c = c0
			lock(&c.lock)

			setField("elem", elem)
		}

		// TODO(mdempsky): There should be a cleaner way to
		// handle this.
		if base.Flag.Race {
			r := mkcallstmt("selectsetpc", typecheck.NodAddr(ir.NewIndexExpr(base.Pos, pcs, ir.NewInt(base.Pos, int64(i)))))
			init = append(init, r)
		}
	}
	if nsends+nrecvs != ncas {

func typedslicecopy(typ *byte, dstPtr *any, dstLen int, srcPtr *any, srcLen int) int

func selectnbsend(hchan chan<- any, elem *any) bool
func selectnbrecv(elem *any, hchan <-chan any) (bool, bool)

func selectsetpc(pc *uintptr)
func selectgo(cas0 *byte, order0 *byte, pc0 *uintptr, nsends int, nrecvs int, block bool) (int, bool)
func block()

func makeslice(typ *byte, len int, cap int) unsafe.Pointer

	{"writeBarrier", varTag, 108},
	{"typedmemmove", funcTag, 109},
	{"typedmemclr", funcTag, 110},
	{"typedslicecopy", funcTag, 111},
	{"selectnbsend", funcTag, 112},
	{"selectnbrecv", funcTag, 113},
	{"selectsetpc", funcTag, 114},
	{"selectgo", funcTag, 115},
	{"block", funcTag, 9},
	{"makeslice", funcTag, 116},
	{"makeslice64", funcTag, 117},
	{"makeslicecopy", funcTag, 118},
	{"growslice", funcTag, 120},