}

	// Emit program.
	insrc := filepath.Join("testdata", prog+".go")
	src := filepath.Join(subdir, prog+".go")
	emitFile(t, src, insrc)
	indep := filepath.Join("testdata", "dep.go")
	dep := filepath.Join(depdir, "dep.go")
	emitFile(t, dep, indep)

	// Emit go.mod.
	mod := filepath.Join(subdir, "go.mod")
	modsrc := "\nmodule " + mainPkgPath + "\n\ngo 1.19\n"

	_ = c.Close()
}

func removeEmptyFiles(files []string) []string {
	out := make([]string, 0, len(files))
	for _, f := range files {
		if !isEmptyFile(f) {
			out = append(out, f)
		}
	}
	return out
}

func isEmptyFile(f string) bool {
	fileInfo, err := os.Stat(f)
	if err != nil {
		return true
	}
	if fileInfo.Size() == 0 {
		return true
	}
	return false

k;case"comment":this.comment(e);break;case"at-word":this.atrule(e);break;case"{":this.emptyRule(e);break;default:this.other(e);break}this.endFile()}comment(e){let t=new T0;this.init(t,e[2]),t.source.end=this.getPosition(e[3]||e[2]);let r=e[1].slice(2,-2);if(/^\s*$/.test(r))t.text="",t.raws.left=r,t.raws.right="";else{let n=r.match(/^(\s*)([^]*\S)(\s*)$/);t.text=n[2],t.raws.left=n[1],t.raws.right=n[3]}}emptyRule(e){let t=new Uf;this.init(t,e[2]),t.selector="",t.raws.between="",this.current=t}other(e){let...