t.Fatalf("%v: %v\n%s", cmd, err, string(out))
	}
	syms := make(map[string]string)
	scanner := bufio.NewScanner(bytes.NewReader(out))
	for scanner.Scan() {
		f := strings.Fields(scanner.Text())
		if len(f) < 3 {
			continue
		}
		syms[f[2]] = f[0]
	}
	if err := scanner.Err(); err != nil {
		t.Fatalf("error reading symbols: %v", err)
	}
	return syms
}

pkg debug/gosym, type Table struct
pkg debug/gosym, type Table struct, Files map[string]*Obj
pkg debug/gosym, type Table struct, Funcs []Func
pkg debug/gosym, type Table struct, Objs []Obj
pkg debug/gosym, type Table struct, Syms []Sym
pkg debug/gosym, type UnknownFileError string
pkg debug/gosym, type UnknownLineError struct
pkg debug/gosym, type UnknownLineError struct, File string
pkg debug/gosym, type UnknownLineError struct, Line int