}
}

// TestPGOIntendedInlining tests that specific functions are inlined when PGO
// is applied to the exact source that was profiled.
func TestPGOIntendedInlining(t *testing.T) {
	wd, err := os.Getwd()
	if err != nil {
		t.Fatalf("error getting wd: %v", err)
	}
	srcDir := filepath.Join(wd, "testdata/pgo/inline")

	// Copy the module to a scratch location so we can add a go.mod.
	dir := t.TempDir()

func createLabelsFromYaml() string {
	data, err := os.ReadFile(input)
	if err != nil {
		pwd, _ := os.Getwd()
		fmt.Println("Error running featuresgen on file: ", pwd, "/", input)
		panic(err)
	}
	m := make(map[any]any)

	err = yaml.Unmarshal(data, &m)
	if err != nil {
		pwd, _ := os.Getwd()
		fmt.Println("Error running featuresgen on file: ", pwd, "/", input)
		panic(err)
	}

package os

import (
	"errors"
	_ "unsafe" // for linkname
)

//go:linkname executablePath
var executablePath string // set by ../runtime/os_darwin.go

var initCwd, initCwdErr = Getwd()

func executable() (string, error) {
	ep := executablePath
	if len(ep) == 0 {
		return ep, errors.New("cannot find executable path")
	}
	if ep[0] != '/' {
		if initCwdErr != nil {
			return ep, initCwdErr

	}
}

// TestPGODevirtualize tests that specific functions are devirtualized when PGO
// is applied to the exact source that was profiled.
func TestPGODevirtualize(t *testing.T) {
	wd, err := os.Getwd()
	if err != nil {
		t.Fatalf("error getting wd: %v", err)
	}
	srcDir := filepath.Join(wd, "testdata", "pgo", "devirtualize")

	// Copy the module to a scratch location so we can add a go.mod.

package base

import (
	"cmd/go/internal/cfg"
	"fmt"
	"os"
	"path/filepath"
	"runtime"
)

// AppendPWD returns the result of appending PWD=dir to the environment base.
//
// The resulting environment makes os.Getwd more efficient for a subprocess
// running in dir, and also improves the accuracy of paths relative to dir
// if one or more elements of dir is a symlink.
func AppendPWD(base []string, dir string) []string {

	// os.(*File).Chdir is emulated by setting the working directory to the
	// absolute path that this file was opened at, which is why we have to
	// resolve and capture it here.
	if filePath[0] != '/' {
		wd, err := syscall.Getwd()
		if err != nil {
			return -1, poll.SysFile{}, err
		}
		absPath = joinPath(wd, filePath)
	}
	fd, err := syscall.Open(absPath, flag, perm)
	return fd, poll.SysFile{Path: absPath}, err

	if !filepathlite.IsAbs(path) {
		// If the path is relative, we need to prepend the working directory
		// plus a separator to the path before we can determine if it's too long.
		// We don't want to call syscall.Getwd here, as that call is expensive to do
		// every time fixLongPath is called with a relative path, so we use a cache.
		// Note that getwdCache might be outdated if the working directory has been

// UncachedCwd is appropriate to call early in program startup before flag parsing,
// because the -C flag may change the current directory.
func UncachedCwd() string {
	wd, err := os.Getwd()
	if err != nil {
		Fatalf("cannot determine current directory: %v", err)
	}
	return wd
}

// Cwd returns the current working directory at the time of the first call.
func Cwd() string {
	cwdOnce.Do(func() {

		},
		"include": {
			in:       `{{include "test.txt" | indent 2}}`,
			files:    map[string]string{"test.txt": "hello\nworld"},
			expected: "hello\n  world",
		},
	} {
		cwd, err := os.Getwd()
		require.NoError(t, err)

		t.Run(name, func(t *testing.T) {
			tmp := t.TempDir()
			for fileName, fileContent := range tt.files {
				err := os.WriteFile(path.Join(tmp, fileName), []byte(fileContent), 0666)

			select {
			case <-done:
				return
			case <-hold:
			}
			// Getwd might be wrong
			f0, err := Stat(".")
			if err != nil {
				t.Error(err)
				return
			}
			pwd, err := Getwd()
			if err != nil {
				t.Errorf("Getwd: %v", err)
				return
			}
			if pwd != d {
				t.Errorf("Getwd() = %q, want %q", pwd, d)
				return
			}
			f1, err := Stat(pwd)