mirror of
https://github.com/golang/go
synced 2024-09-29 11:24:28 -06:00
319b75ed33
Fixes #58141 Co-authored-by: Richard Musiol <neelance@gmail.com> Co-authored-by: Achille Roussel <achille.roussel@gmail.com> Co-authored-by: Julien Fabre <ju.pryz@gmail.com> Co-authored-by: Evan Phoenix <evan@phx.io> Change-Id: I49b66946acc90fdf09ed9223096bfec9a1e5b923 Reviewed-on: https://go-review.googlesource.com/c/go/+/479627 Run-TryBot: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Auto-Submit: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com> Auto-Submit: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
// +build !nacl,!js,!wasip1,!android,!gccgo
|
|
// run
|
|
|
|
// Copyright 2016 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"html/template"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
)
|
|
|
|
var tmpl = template.Must(template.New("main").Parse(`
|
|
package main
|
|
|
|
type T struct {
|
|
{{range .Names}}
|
|
{{.Name}} *string
|
|
{{end}}
|
|
}
|
|
|
|
{{range .Names}}
|
|
func (t *T) Get{{.Name}}() string {
|
|
if t.{{.Name}} == nil {
|
|
return ""
|
|
}
|
|
return *t.{{.Name}}
|
|
}
|
|
{{end}}
|
|
|
|
func main() {}
|
|
`))
|
|
|
|
func main() {
|
|
const n = 5000
|
|
|
|
type Name struct{ Name string }
|
|
var t struct{ Names []Name }
|
|
for i := 0; i < n; i++ {
|
|
t.Names = append(t.Names, Name{Name: fmt.Sprintf("H%06X", i)})
|
|
}
|
|
|
|
buf := new(bytes.Buffer)
|
|
if err := tmpl.Execute(buf, t); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
dir, err := ioutil.TempDir("", "issue16037-")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
path := filepath.Join(dir, "ridiculous_number_of_fields.go")
|
|
if err := ioutil.WriteFile(path, buf.Bytes(), 0664); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
out, err := exec.Command("go", "build", "-o="+filepath.Join(dir, "out"), path).CombinedOutput()
|
|
if err != nil {
|
|
log.Fatalf("build failed: %v\n%s", err, out)
|
|
}
|
|
}
|