}

// hasPointer is used by needsPointerCheck. If top is true it returns
// whether t is or contains a pointer that might point to a pointer.
// If top is false it reports whether t is or contains a pointer.
// f may be nil.
func (p *Package) hasPointer(f *File, t ast.Expr, top bool) bool {
	switch t := t.(type) {
	case *ast.ArrayType:
		if t.Len == nil {
			if !top {
				return true
			}