{"TrimRight", []byte{'a'}, "ab", []byte{}},
	{"TrimRight", []byte{'a', 'b'}, "ab", []byte{}},
	{"TrimRight", []byte("☺"), "☺", []byte{}},
	{"TrimPrefix", nil, "", nil},
	{"TrimPrefix", []byte{}, "", []byte{}},
	{"TrimPrefix", []byte{'a'}, "a", []byte{}},
	{"TrimPrefix", []byte("☺"), "☺", []byte{}},
	{"TrimSuffix", nil, "", nil},
	{"TrimSuffix", []byte{}, "", []byte{}},
	{"TrimSuffix", []byte{'a'}, "a", []byte{}},

	var goname string
	switch fun := call.Call.Fun.(type) {
	case *ast.SelectorExpr:
		goname = fun.Sel.Name
	case *ast.Ident:
		goname = strings.TrimPrefix(fun.Name, "_C2func_")
		goname = strings.TrimPrefix(goname, "_Cfunc_")
	}
	if goname == "" || goname == "malloc" {
		return "", false
	}
	name := f.Name[goname]
	if name == nil || name.Kind != "func" {

	for _, p := range pkgs {
		buildTest, runTest, printTest, err := builderTest(b, ctx, pkgOpts, p, allImports[p], writeCoverMetaAct)
		if err != nil {
			str := err.Error()
			str = strings.TrimPrefix(str, "\n")
			if p.ImportPath != "" {
				base.Errorf("# %s\n%s", p.ImportPath, str)
			} else {
				base.Errorf("%s", str)
			}
			fmt.Printf("FAIL\t%s [setup failed]\n", p.ImportPath)
			continue

		fatalf("current directory %s is not under %s", pwd, real_src)
	}
	pwd = pwd[len(real_src):]
	// guard against xrealwd returning the directory without the trailing /
	pwd = strings.TrimPrefix(pwd, "/")

	return pwd
}

// Install installs the list of packages named on the command line.
func cmdinstall() {
	xflagparse(-1)

	if flag.NArg() == 0 {
		install(defaulttarg())

		if inner == nil {
			t.Errorf("%s: at %s: can't find innermost scope", pos, text)
			return
		}
		got := "undef"
		if _, obj := inner.LookupParent(name, pos); obj != nil {
			kind := strings.ToLower(strings.TrimPrefix(reflect.TypeOf(obj).String(), "*types2."))
			got = fmt.Sprintf("%s:%d", kind, obj.Pos().Line())
		}
		if got != want {
			t.Errorf("%s: at %s: %s resolved to %s, want %s", pos, text, name, got, want)
		}

	undo = func() {
		for i := range dirs {
			os.Chmod(dirs[i].path, dirs[i].mode) // best effort
		}
	}

	filepath.WalkDir(dir, func(path string, d fs.DirEntry, err error) error {
		if suffix := strings.TrimPrefix(path, dir+string(filepath.Separator)); suffix != "" {
			if suffix == ".git" {
				// Leave Git metadata in whatever state it was in. It may contain a lot

// values of type Object to ir.Node or a more specific type.
type Object interface {
	Pos() src.XPos
	Sym() *Sym
	Type() *Type
}

//go:generate stringer -type Kind -trimprefix T type.go

// Kind describes a kind of type.
type Kind uint8

const (
	Txxx Kind = iota

	TINT8
	TUINT8
	TINT16
	TUINT16
	TINT32
	TUINT32
	TINT64
	TUINT64
	TINT
	TUINT