b = 1 << iota  // b == 2  (iota == 1)
	c = 3          // c == 3  (iota == 2, unused)
	d = 1 << iota  // d == 8  (iota == 3)
)

const (
	u         = iota * 42  // u == 0     (untyped integer constant)
	v float64 = iota * 42  // v == 42.0  (float64 constant)
	w         = iota * 42  // w == 84    (untyped integer constant)
)

const x = iota  // x == 0

	if s.softFloat {
		if c, ok := s.sfcall(op, arg0, arg1); ok {
			return c
		}
	}
	return s.newValue2(op, t, arg0, arg1)
}

type instrumentKind uint8

const (
	instrumentRead = iota
	instrumentWrite
	instrumentMove
)

func (s *state) instrument(t *types.Type, addr *ssa.Value, kind instrumentKind) {
	s.instrument2(t, addr, nil, kind)
}

// https://lists.w3.org/Archives/Public/ietf-http-wg/2016JulSep/0599.html
//
// "reserved (remote)" is omitted since the client code does not
// support server push.
const (
	http2stateIdle http2streamState = iota
	http2stateOpen
	http2stateHalfClosedLocal
	http2stateHalfClosedRemote
	http2stateClosed
)

var http2stateName = [...]string{
	http2stateIdle:             "Idle",