return obj
}

// LookupParent follows the parent chain of scopes starting with s until
// it finds a scope where Lookup(name) returns a non-nil object, and then
// returns that scope and object. If a valid position pos is provided,
// only objects that were declared at or before pos are considered.
// If no such scope and object exists, the result is (nil, nil).
//
// Note that obj.Parent() may be different from the returned scope if the

func godebug_setNewIncNonDefault(newIncNonDefault func(string) func()) {
	p := new(func(string) func())
	*p = newIncNonDefault
	godebugNewIncNonDefault.Store(p)
}

// A godebugInc provides access to internal/godebug's IncNonDefault function
// for a given GODEBUG setting.
// Calls before internal/godebug registers itself are dropped on the floor.
type godebugInc struct {
	name string

			if check.inTParamList && isGeneric(obj.typ) {
				tparCycle = true
				break loop
			}

			// Determine if the type name is an alias or not. For
			// package-level objects, use the object map which
			// provides syntactic information (which doesn't rely
			// on the order in which the objects are set up). For
			// local objects, we can rely on the order, so use
			// the object's predicate.

// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package buildinfo provides access to information embedded in a Go binary
// about how it was built. This includes the Go toolchain version, and the
// set of modules used (for binaries built in module mode).
//
// Build information is available for the currently running binary in

// thread state (for example, Linux or Plan 9 name spaces), the new
// process will inherit the caller's thread state.
//
// StartProcess is a low-level interface. The [os/exec] package provides
// higher-level interfaces.
//
// If there is an error, it will be of type [*PathError].
func StartProcess(name string, argv []string, attr *ProcAttr) (*Process, error) {
	testlog.Open(name)

	//
	// This doesn't achieve great CPU utilization as many packages may block
	// waiting for a common import, but in combination with the non-deterministic
	// map iteration below this should provide decent coverage of concurrent
	// type-checking (see golang/go#47729).
	cpulimit := make(chan struct{}, runtime.GOMAXPROCS(0))
	var wg sync.WaitGroup

	for dir := range dirFiles {
		dir := dir

func (ip Addr) Unmap() Addr {
	if ip.Is4In6() {
		ip.z = z4
	}
	return ip
}

// WithZone returns an IP that's the same as ip but with the provided
// zone. If zone is empty, the zone is removed. If ip is an IPv4
// address, WithZone is a no-op and returns ip unchanged.
func (ip Addr) WithZone(zone string) Addr {
	if !ip.Is6() {
		return ip
	}

	t.W = int((n + 1) << uint(level))
	return t, int(n<<uint(level)) * HashSize, int((n+1)<<uint(level)) * HashSize
}

// HashFromTile returns the hash at the given storage index,
// provided that t == TileForIndex(t.H, index) or a wider version,
// and data is t's tile data (of length at least t.W*HashSize).
func HashFromTile(t Tile, data []byte, index int64) (Hash, error) {

func (m *Map) Len() int {
	if m != nil {
		return m.length
	}
	return 0
}

// Iterate calls function f on each entry in the map in unspecified order.
//
// If f should mutate the map, Iterate provides the same guarantees as
// Go maps: if f deletes a map entry that Iterate has not yet reached,
// f will not be invoked for it, but if f inserts a map entry that
// Iterate has not yet reached, whether or not f will be invoked for

type decimal interface {
	decimalDecompose
	decimalCompose
}

type decimalDecompose interface {
	// Decompose returns the internal decimal state in parts.
	// If the provided buf has sufficient capacity, buf may be returned as the coefficient with
	// the value set and length set as appropriate.
	Decompose(buf []byte) (form byte, negative bool, coefficient []byte, exponent int32)
}