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b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
// run
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//go:build !js && !wasip1
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 52127: Too many syntax errors in many files can
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// cause deadlocks instead of displaying error messages
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// correctly.
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package main
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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)
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func main() {
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dir, err := os.MkdirTemp("", "issue52127")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(dir)
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args := []string{"go", "build"}
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write := func(prefix string, i int, data string) {
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filename := filepath.Join(dir, fmt.Sprintf("%s%d.go", prefix, i))
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if err := os.WriteFile(filename, []byte(data), 0o644); err != nil {
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panic(err)
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}
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args = append(args, filename)
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}
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for i := 0; i < 100; i++ {
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write("a", i, `package p
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`)
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}
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for i := 0; i < 100; i++ {
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write("b", i, `package p
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var
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var
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var
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var
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var
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`)
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}
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cmd := exec.Command(args[0], args[1:]...)
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output, err := cmd.CombinedOutput()
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if err == nil {
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panic("compile succeeded unexpectedly")
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}
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if !bytes.Contains(output, []byte("syntax error:")) {
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panic(fmt.Sprintf(`missing "syntax error" in compiler output; got:
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%s`, output))
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}
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} |