// from the proxy metadata or the proxy ID
func GetProxyConfigNamespace(proxy *Proxy) string {
	if proxy == nil {
		return ""
	}

	// First look for ISTIO_META_CONFIG_NAMESPACE
	// All newer proxies (from Istio 1.1 onwards) are supposed to supply this
	if len(proxy.Metadata.Namespace) > 0 {
		return proxy.Metadata.Namespace
	}

	// if not found, for backward compatibility, extract the namespace from

	// 'AST' abbreviation as matching the current location (Baghdad,
	// where we'd expect a +03 hrs offset); likely because we're using
	// a recent tzdata release (2017a or newer).
	// If it happens, skip the Baghdad test.
	if offset != 0 {
		t2 = Date(2013, February, 1, 00, 00, 00, 0, baghdad)
		if t1 != t2 {
			t.Fatalf("ParseInLocation(Feb 01 2013 AST, Baghdad) = %v, want %v", t1, t2)
		}

}

var (
	// XL header specifies the format
	xlHeader = [4]byte{'X', 'L', '2', ' '}

	// Current version being written.
	xlVersionCurrent [4]byte
)

const (
	// Breaking changes.
	// Newer versions cannot be read by older software.
	// This will prevent downgrades to incompatible versions.
	xlVersionMajor = 1

	// Non breaking changes.
	// Bumping this is informational, but should be done

func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
	if flags == 0 {
		return faccessat(dirfd, path, mode)
	}

	// Attempt to use the newer faccessat2, which supports flags directly,
	// falling back if it doesn't exist.
	//
	// Don't attempt on Android, which does not allow faccessat2 through
	// its seccomp policy [1] on any version of Android as of 2022-12-20.

	// To maintain backwards compatibility, we accept some 4 argument usage of
	// several opcodes which was likely not intended, but did work. These are not
	// added to optab to avoid the chance this behavior might be used with newer
	// instructions.
	//
	// Rewrite argument ordering like "ADDEX R3, $3, R4, R5" into
	//                                "ADDEX R3, R4, $3, R5"
	case AVSHASIGMAW, AVSHASIGMAD, AADDEX, AXXSLDWI, AXXPERMDI:

	if err != nil {
		t.Fatal(err)
	}

	fi, err := os.Lstat(link)
	if err != nil {
		t.Fatal(err)
	}
	if m := fi.Mode(); m&fs.ModeSymlink != 0 {
		// This can happen depending on newer WSL versions when running as admin or in developer mode.
		t.Skip("skipping: WSL created reparse tag IO_REPARSE_TAG_SYMLINK instead of an IO_REPARSE_TAG_LX_SYMLINK")
	}

//
// The [Parse] and [ParseLax] functions both parse a go.mod file and return an
// abstract syntax tree. ParseLax ignores unknown statements and may be used to
// parse go.mod files that may have been developed with newer versions of Go.
//
// The [File] struct returned by Parse and ParseLax represent an abstract
// go.mod file. File has several methods like [File.AddNewRequire] and

	if got, want := issue25143sum(1, 2, 3), C.int(6); got != want {
		t.Errorf("issue25143sum(1, 2, 3) == %v, expected %v", got, want)
	}
}

// issue 26066
// Wrong type of constant with GCC 8 and newer.

func test26066(t *testing.T) {
	var i = int64(C.issue26066)
	if i != -1 {
		t.Errorf("got %d, want -1", i)
	}
}

// issue 26517
var a C.TypeOne
var b C.TypeTwo