{"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},

			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 {