defer func(env environment, indent int) {
		check.environment = env
		check.indent = indent
	}(check.environment, check.indent)
	check.environment = environment{
		decl:  decl,
		scope: sig.scope,
		iota:  iota,
		sig:   sig,
	}
	check.indent = 0

	check.stmtList(0, body.List)

	if check.hasLabel && !check.conf.IgnoreBranchErrors {
		check.labels(body)
	}

					check.declare(fileScope, nil, pkgName, nopos)
				}

			case *syntax.ConstDecl:
				// iota is the index of the current constDecl within the group
				if first < 0 || s.Group == nil || file.DeclList[index-1].(*syntax.ConstDecl).Group != s.Group {
					first = index
					last = nil
				}
				iota := constant.MakeInt64(int64(index - first))

				// determine which initialization expressions to use

// in addition to satisfying the partial order in lockPartialOrder.
// A few ranks allow self-cycles, which are specified in lockPartialOrder.
const (
	lockRankUnknown lockRank = iota

	lockRankSysmon
	lockRankScavenge
	lockRankForcegc
	lockRankDefer
	lockRankSweepWaiters
	lockRankAssistQueue
	lockRankSweep
	lockRankTestR
	lockRankTestW
	lockRankTimerSend
	lockRankAllocmW

	//  of an assignment."
	//
	// Example:
	//  var x = _
	InvalidBlank

	// InvalidIota occurs when the predeclared identifier iota is used outside
	// of a constant declaration.
	//
	// Example:
	//  var x = iota
	InvalidIota

	// MissingInitBody occurs when an init function is missing its body.
	//
	// Example:
	//  func init()
	MissingInitBody

	gcPtr *ref      // used to trigger the finalizer when the Value is not referenced any more
}

const (
	// the type flags need to be in sync with wasm_exec.js
	typeFlagNone = iota
	typeFlagObject
	typeFlagString
	typeFlagSymbol
	typeFlagFunction
)

func makeValue(r ref) Value {
	var gcPtr *ref
	typeFlag := (r >> 32) & 7
	if (r>>32)&nanHead == nanHead && typeFlag != typeFlagNone {

// The cached value is a uint32 in which the low bits
// are the "crash" and "all" settings and the remaining
// bits are the traceback value (0 off, 1 on, 2 include system).
const (
	tracebackCrash = 1 << iota
	tracebackAll
	tracebackShift = iota
)

var traceback_cache uint32 = 2 << tracebackShift
var traceback_env uint32

// gotraceback returns the current traceback settings.
//
// If level is 0, suppress all tracebacks.

	metrics[name] = d
	metricsUnlock()
}

// statDep is a dependency on a group of statistics
// that a metric might have.
type statDep uint

const (
	heapStatsDep statDep = iota // corresponds to heapStatsAggregate
	sysStatsDep                 // corresponds to sysStatsAggregate
	cpuStatsDep                 // corresponds to cpuStatsAggregate
	gcStatsDep                  // corresponds to gcStatsAggregate

	fin     [(_FinBlockSize - 2*goarch.PtrSize - 2*4) / unsafe.Sizeof(finalizer{})]finalizer
}

var fingStatus atomic.Uint32

// finalizer goroutine status.
const (
	fingUninitialized uint32 = iota
	fingCreated       uint32 = 1 << (iota - 1)
	fingRunningFinalizer
	fingWait
	fingWake
)

var finlock mutex  // protects the following variables
var fing *g        // goroutine that runs finalizers

	"errors"
	"fmt"
)

// QUICEncryptionLevel represents a QUIC encryption level used to transmit
// handshake messages.
type QUICEncryptionLevel int

const (
	QUICEncryptionLevelInitial = QUICEncryptionLevel(iota)
	QUICEncryptionLevelEarly
	QUICEncryptionLevelHandshake
	QUICEncryptionLevelApplication
)

func (l QUICEncryptionLevel) String() string {
	switch l {
	case QUICEncryptionLevelInitial:
		return "Initial"

	"fmt"
	"go/ast"
	"go/constant"
	"go/token"
	. "internal/types/errors"
)

// An operandMode specifies the (addressing) mode of an operand.
type operandMode byte

const (
	invalid   operandMode = iota // operand is invalid
	novalue                      // operand represents no value (result of a function call w/o result)
	builtin                      // operand is a built-in function