if fnoff := t.binary.Uint32(t.cutab[(cuoff+uint32(fno))*4:]); fnoff != ^uint32(0) {
		return t.stringFrom(t.filetab, fnoff)
	}
	return ""
}

// go12LineToPC maps a (file, line) pair to a program counter for the Go 1.2+ pcln table.
func (t *LineTable) go12LineToPC(file string, line int) (pc uint64) {
	defer func() {
		if !disableRecover && recover() != nil {
			pc = 0
		}
	}()

	t.initFileMap()

func (t *Table) LineToPC(file string, line int) (pc uint64, fn *Func, err error) {
	obj, ok := t.Files[file]
	if !ok {
		return 0, nil, UnknownFileError(file)
	}

	if t.go12line != nil {
		pc := t.go12line.go12LineToPC(file, line)
		if pc == 0 {
			return 0, nil, &UnknownLineError{file, line}
		}
		return pc, t.PCToFunc(pc), nil
	}

	abs, err := obj.alineFromLine(file, line)
	if err != nil {
		return
	}