// However, if there is a constant group with iota, leave it all: later
	// constant declarations in the group may have no value and so cannot stand
	// on their own, and removing any constant from the group could change the
	// values of subsequent ones.
	// See testdata/examples/iota.go for a minimal example.
	var ds []ast.Decl
	for _, d := range depDecls {
		switch d := d.(type) {

		return

	case *Const:
		check.addDeclDep(obj)
		if !isValid(typ) {
			return
		}
		if obj == universeIota {
			if check.iota == nil {
				check.error(e, InvalidIota, "cannot use iota outside constant declaration")
				return
			}
			x.val = check.iota
		} else {
			x.val = obj.val
		}
		assert(x.val != nil)
		x.mode = constant_

	case *TypeName:

	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.labels(body)
	}

	if sig.results.Len() > 0 && !check.isTerminating(body, "") {

	b = 1 << iota  // b == 2  (iota == 1)
	c = 3          // c == 3  (iota == 2, unused)
	d = 1 << iota  // d == 8  (iota == 3)
)

const (
	u         = iota * 42  // u == 0     (untyped integer constant)
	v float64 = iota * 42  // v == 42.0  (float64 constant)
	w         = iota * 42  // w == 84    (untyped integer constant)
)

const x = iota  // x == 0

					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

	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)
	}

// 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 {

	stdZeroSecond                                  // "05"
	stdLongYear              = iota + stdNeedDate  // "2006"
	stdYear                                        // "06"
	stdPM                    = iota + stdNeedClock // "PM"
	stdpm                                          // "pm"
	stdTZ                    = iota                // "MST"
	stdISO8601TZ                                   // "Z0700"  // prints Z for UTC