maskUpdatedChan = make(chan struct{})
	disableSigChan = make(chan uint32)
	enableSigChan = make(chan uint32)
	go func() {
		// Signal masks are per-thread, so make sure this goroutine stays on one
		// thread.
		LockOSThread()
		defer UnlockOSThread()
		// The sigBlocked mask contains the signals not active for os/signal,
		// initially all signals except the essential. When signal.Notify()/Stop is called,

		i      int32
		after  int32
	}
	x.before = magic32
	x.after = magic32
	x.i = -1
	j := x.i
	for mask := int32(1); mask != 0; mask <<= 1 {
		old := x.i
		k := AndInt32(&x.i, ^mask)
		j &= ^mask
		if x.i != j || k != old {
			t.Fatalf("mask=%d i=%d j=%d k=%d old=%d", mask, x.i, j, k, old)
		}
	}
	if x.before != magic32 || x.after != magic32 {

// the intersection between the selected bits and the provided mask.
// If the intersection is unrepresentable (0 or not contiguous) nil
// will be returned.
func (r RotateParams) OutMerge(mask uint64) *RotateParams {
	mask &= r.OutMask()
	if mask == 0 {
		return nil
	}

	// normalize the mask so that the set bits are left aligned
	o := bits.LeadingZeros64(^mask)
	mask = bits.RotateLeft64(mask, o)
	z := bits.LeadingZeros64(mask)

	if maskConfigured {
		// original mask flag is still the main reference.
		if maskV4Configured || maskV6Configured {
			return nil, errors.New("usage of --node-cidr-mask-size-ipv4 and --node-cidr-mask-size-ipv6 is not allowed if --node-cidr-mask-size is set. For dual-stack clusters please unset it and use IPFamily specific flags")
		}

		mask := int(cfg.NodeCIDRMaskSize)
		return sortedSizes(mask, mask), nil
	}

    int hash = smearedHash(object);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

	}{
		// dual-stack:
		{"dual IPv4 only, but mask too small. Default node-mask", "10.0.0.16/29", nil, false},
		{"dual IPv4 only, but mask too small. Configured node-mask", "10.0.0.16/24", []kubeadmapi.Arg{{Name: "node-cidr-mask-size-ipv4", Value: "23"}}, false},
		{"dual IPv6 only, but mask too small. Default node-mask", "2001:db8::1/112", nil, false},

// <endcallsites>
// <endfuncpreamble>
func T_return_feeds_iface_call() {
	b := newBar(10)
	b.Plark()
}

// returns2.go T_multi_return_feeds_iface_call 29 0 1
// <endpropsdump>
// {"Flags":0,"ParamFlags":null,"ResultFlags":null}

					v.AddArg(arg0)
					mask := v.Block.NewValue0(v.Pos, OpConst32, v.Type)
					mask.AuxInt = -0x80000000
					v.AddArg(mask)
				case OpNeg64F:
					arg0 := v.Args[0]
					v.reset(OpXor64)
					v.Type = f.Config.Types.UInt64
					v.AddArg(arg0)
					mask := v.Block.NewValue0(v.Pos, OpConst64, v.Type)
					mask.AuxInt = -0x8000000000000000
					v.AddArg(mask)
				case OpRound32F:
					v.Op = OpCopy

		case *route.InterfaceAddrMessage:
			if index != 0 && index != m.Index {
				continue
			}
			var mask IPMask
			switch sa := m.Addrs[syscall.RTAX_NETMASK].(type) {
			case *route.Inet4Addr:
				mask = IPv4Mask(sa.IP[0], sa.IP[1], sa.IP[2], sa.IP[3])
			case *route.Inet6Addr:
				mask = make(IPMask, IPv6len)
				copy(mask, sa.IP[:])
			}
			var ip IP
			switch sa := m.Addrs[syscall.RTAX_IFA].(type) {

DATA masks<>+0x40(SB)/8, $0x00000000ffffffff
DATA masks<>+0x48(SB)/8, $0x0000000000000000
DATA masks<>+0x50(SB)/8, $0x000000ffffffffff
DATA masks<>+0x58(SB)/8, $0x0000000000000000
DATA masks<>+0x60(SB)/8, $0x0000ffffffffffff
DATA masks<>+0x68(SB)/8, $0x0000000000000000
DATA masks<>+0x70(SB)/8, $0x00ffffffffffffff
DATA masks<>+0x78(SB)/8, $0x0000000000000000
DATA masks<>+0x80(SB)/8, $0xffffffffffffffff