a.state.osargs = nil
	}
	if state.goos != a.state.goos {
		a.state.goos = ""
	}
	if state.goarch != a.state.goarch {
		a.state.goarch = ""
	}
}

func (a *argstate) ArgsSummary() map[string]string {
	m := make(map[string]string)
	if len(a.state.osargs) != 0 {
		m["argc"] = strconv.Itoa(len(a.state.osargs))
		for k, a := range a.state.osargs {
			m[fmt.Sprintf("argv%d", k)] = a
		}
	}

	}
	defer func() {
		if err := cf.Close(); err != nil {
			fatal("error closing output meta-data file %s: %v", fpath, err)
		}
	}()

	args := mm.astate.ArgsSummary()
	cfw := encodecounter.NewCoverageDataWriter(cf, coverage.CtrULeb128)
	if err := cfw.Write(metaHash, args, mm); err != nil {
		fatal("counter file write failed: %v", err)
	}
	mm.astate = &argstate{}
}