} else {
				first = d
			}
		}
	}
}

func (check *Checker) openScope(node ast.Node, comment string) {
	scope := NewScope(check.scope, node.Pos(), node.End(), comment)
	check.recordScope(node, scope)
	check.scope = scope
}

func (check *Checker) closeScope() {
	check.scope = check.scope.Parent()
}

// escapeAction escapes an action template node.
func (e *escaper) escapeAction(c context, n *parse.ActionNode) context {
	if len(n.Pipe.Decl) != 0 {
		// A local variable assignment, not an interpolation.
		return c
	}
	c = nudge(c)
	// Check for disallowed use of predefined escapers in the pipeline.
	for pos, idNode := range n.Pipe.Cmds {
		node, ok := idNode.Args[0].(*parse.IdentifierNode)
		if !ok {

			switch call.Fun.(type) {
			case *ast.IndexExpr, *ast.IndexListExpr:
				ix := typeparams.UnpackIndexExpr(call.Fun)
				check.versionErrorf(inNode(call.Fun, ix.Lbrack), go1_18, "function instantiation")
			default:
				check.versionErrorf(inNode(call, call.Lparen), go1_18, "implicit function instantiation")
			}
		}
		// rename type parameters to avoid problems with recursive calls
		var tmp Type

	ENETUNREACH - APPLICATION_ERROR:     "network is unreachable",
	ENFILE - APPLICATION_ERROR:          "too many open files in system",
	ENOANO - APPLICATION_ERROR:          "no anode",
	ENOBUFS - APPLICATION_ERROR:         "no buffer space available",
	ENOCSI - APPLICATION_ERROR:          "no CSI structure available",
	ENODATA - APPLICATION_ERROR:         "no data available",

	Sysname    [65]int8
	Nodename   [65]int8
	Release    [65]int8
	Version    [65]int8
	Machine    [65]int8
	Domainname [65]int8
}

type Ustat_t struct {
	Tfree     int32
	Pad_cgo_0 [4]byte
	Tinode    uint64
	Fname     [6]int8
	Fpack     [6]int8
	Pad_cgo_1 [4]byte
}

type EpollEvent struct {
	Events uint32
	_      int32
	Fd     int32
	Pad    int32
}

const (

	Nodename   [65]uint8
	Release    [65]uint8
	Version    [65]uint8
	Machine    [65]uint8
	Domainname [65]uint8
}

type Ustat_t struct {
	Tfree     int32
	Pad_cgo_0 [4]byte
	Tinode    uint64
	Fname     [6]uint8
	Fpack     [6]uint8
	Pad_cgo_1 [4]byte
}

type EpollEvent struct {
	Events  uint32
	X_padFd int32
	Fd      int32
	Pad     int32
}

const (

type Utsname struct {
	Sysname    [65]uint8
	Nodename   [65]uint8
	Release    [65]uint8
	Version    [65]uint8
	Machine    [65]uint8
	Domainname [65]uint8
}

type Ustat_t struct {
	Tfree  int32
	Tinode uint64
	Fname  [6]uint8
	Fpack  [6]uint8
	_      [4]byte
}

type EpollEvent struct {
	Events uint32
	_      int32
	Fd     int32
	Pad    int32
}

const (

	Sysname    [65]uint8
	Nodename   [65]uint8
	Release    [65]uint8
	Version    [65]uint8
	Machine    [65]uint8
	Domainname [65]uint8
}

type Ustat_t struct {
	Tfree  int32
	_      [4]byte
	Tinode uint64
	Fname  [6]uint8
	Fpack  [6]uint8
	_      [4]byte
}

type EpollEvent struct {
	Events uint32
	_      int32
	Fd     int32
	Pad    int32
}

const (

	Sysname    [65]int8
	Nodename   [65]int8
	Release    [65]int8
	Version    [65]int8
	Machine    [65]int8
	Domainname [65]int8
}

type Ustat_t struct {
	Tfree     int32
	Pad_cgo_0 [4]byte
	Tinode    uint64
	Fname     [6]int8
	Fpack     [6]int8
	Pad_cgo_1 [4]byte
}

type EpollEvent struct {
	Events uint32
	Fd     int32
	Pad    int32
}

const (
	_AT_FDCWD            = -0x64

		x.mode = invalid
		return
	}

	x.mode = value

	// spec: "Only the first index may be omitted; it defaults to 0."
	if e.Slice3 && (e.High == nil || e.Max == nil) {
		check.error(inNode(e, e.Rbrack), InvalidSyntaxTree, "2nd and 3rd index required in 3-index slice")
		x.mode = invalid
		return
	}

	// check indices
	var ind [3]int64
	for i, expr := range []ast.Expr{e.Low, e.High, e.Max} {