if possibleConst(ctl) {
				t.defBlock[ctl] = append(t.defBlock[ctl], block)
			}
		}
	}
}

// addUses finds all uses of value and appends them into work list for further process
func (t *worklist) addUses(val *Value) {
	for _, use := range t.defUse[val] {
		if val == use {
			// Phi may refer to itself as uses, ignore them to avoid re-visiting phi

	"runtime"
	"syscall"
)

// An Addr represents an address associated with packet routing.
type Addr interface {
	// Family returns an address family.
	Family() int
}

// A LinkAddr represents a link-layer address.
type LinkAddr struct {
	Index int    // interface index when attached
	Name  string // interface name when attached
	Addr  []byte // link-layer address when attached
}

				if strings.Contains(err.Error(), "The requested address is not valid in its context") {
					// Ignore if IP is unbindable.
					continue nextTest
				}
				if strings.Contains(err.Error(), "bind: address already in use") {
					continue nextTest
				}
				t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
			}
		}

		addrs := listener.Addrs()
		addrSet := set.NewStringSet()
		for _, addr := range addrs {

		},

		{
			testName: "lightstep address empty",
			key:      "lightstep",
			option:   option.LightstepAddress(""),
			expected: nil,
		},
		{
			testName: "lightstep address ipv4",
			key:      "lightstep",
			option:   option.LightstepAddress("127.0.0.1:80"),
			expected: "{\"address\": \"127.0.0.1\", \"port_value\": 80}",
		},
		{
			testName: "lightstep address ipv6",
			key:      "lightstep",

	tests := []struct {
		addr *Address
		exp  string
	}{
		{
			&Address{Address: "******@****.***"},
			"<******@****.***>",
		},
		{ // quoted local parts: RFC 5322, 3.4.1. and 3.2.4.
			&Address{Address: `my@idiot@address@example.com`},
			`<"my@idiot@address"@example.com>`,
		},
		{ // quoted local parts
			&Address{Address: ` @example.com`},
			`<" "@example.com>`,
		},

{
  "stats_config": {
    "use_all_default_tags": false
  },
  "admin": {
    "access_log_path": "/dev/stdout",
    "address": {
      "socket_address": {
        "address": "127.0.0.1",
        "port_value": 17000
      }
    }
  },
  "dynamic_resources": {
    "lds_config": {
      "api_config_source": {
        "api_type": "GRPC",
        "grpc_services": {
          "envoy_grpc": {
            "cluster_name": "xds-grpc"

func (d *socksDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
	if err := d.validateTarget(network, address); err != nil {
		proxy, dst, _ := d.pathAddrs(address)
		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
	}
	if ctx == nil {
		proxy, dst, _ := d.pathAddrs(address)

            {
                "locality": {},
                "lbEndpoints": [
                    {
                        "endpoint": {
                            "address": {
                                "socketAddress": {
                                    "address": "127.0.0.1",
                                    "portValue": 15020
                                }
                            },

  - lbEndpoints:
    - endpoint:
        address:
          socketAddress:
            address: 10.244.0.8
            portValue: 53
        healthCheckConfig: {}
      healthStatus: HEALTHY
      loadBalancingWeight: 1
      metadata:
        filterMetadata:
          istio:
            workload: coredns;kube-system;;;Kubernetes
    - endpoint:
        address:
          socketAddress:

		{Address: 0x4005d1, File: file1H, Line: 7, IsStmt: true},
		{Address: 0x4005e7, File: file1C, Line: 6, IsStmt: true},
		{Address: 0x4005eb, File: file1C, Line: 7, IsStmt: true},
		{Address: 0x4005f5, File: file1C, Line: 8, IsStmt: true},
		{Address: 0x4005ff, File: file1C, Line: 9, IsStmt: true},
		{Address: 0x400601, EndSequence: true},

		{Address: 0x400601, File: file2C, Line: 4, IsStmt: true},
		{Address: 0x400605, File: file2C, Line: 5, IsStmt: true},