return typ
}

// Field = Name Type [string] .
func (p *parser) parseField(pkg *types.Package) (field *types.Var, tag string) {
	name := p.parseName()
	typ, n := p.parseTypeExtended(pkg)
	anon := false
	if name == "" {
		anon = true
		// Alias?
		if aname, ok := p.aliases[n]; ok {
			name = aname
		} else {
			switch typ := deref(typ).(type) {
			case *types.Basic:
				name = typ.Name()
			case *types.Named:

name: req2
A: G1 H1
G1: H1
H1: G1
req A:   G1
req A G: G1
req A H: H1

name: req3
M: A1 B1
A1: X1
B1: X2
X1: I1
X2:
req M: A1 B1

name: reqnone
M: Anone B1 D1 E1
B1: Cnone D1
E1: Fnone
build M: M B1 D1 E1
req M:     B1    E1

name: reqdup
M: A1 B1
A1: B1
B1:
req M A A: A1

name: reqcross
M: A1 B1 C1
A1: B1 C1
B1: C1

		return "empty statement"
	case *ast.ExprStmt:
		return "expression statement"
	case *ast.Field:
		// Can be any of these:
		// struct {x, y int}  -- struct field(s)
		// struct {T}         -- anon struct field
		// interface {I}      -- interface embedding
		// interface {f()}    -- interface method
		// func (A) func(B) C -- receiver, param(s), result(s)
		return "field/method/parameter"
	case *ast.FieldList:

func (m *Mapping) Unsymbolizable() bool {
	name := filepath.Base(m.File)
	return strings.HasPrefix(name, "[") || strings.HasPrefix(name, "linux-vdso") || strings.HasPrefix(m.File, "/dev/dri/") || m.File == "//anon"
}

// Copy makes a fully independent copy of a profile.
func (p *Profile) Copy() *Profile {
	pp := &Profile{}
	if err := unmarshal(serialize(p), pp); err != nil {
		panic(err)
	}