From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue11771.go | 64 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 test/fixedbugs/issue11771.go (limited to 'test/fixedbugs/issue11771.go') diff --git a/test/fixedbugs/issue11771.go b/test/fixedbugs/issue11771.go new file mode 100644 index 0000000..657e1b0 --- /dev/null +++ b/test/fixedbugs/issue11771.go @@ -0,0 +1,64 @@ +// +build !nacl,!js,!wasip1,gc +// run + +// Copyright 2015 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. + +// Issue 11771: Magic comments should ignore carriage returns. + +package main + +import ( + "bytes" + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" + "runtime" +) + +func main() { + if runtime.Compiler != "gc" { + return + } + + dir, err := ioutil.TempDir("", "go-issue11771") + if err != nil { + log.Fatalf("creating temp dir: %v\n", err) + } + defer os.RemoveAll(dir) + + // The go:nowritebarrier magic comment is only permitted in + // the runtime package. So we confirm that the compilation + // fails. + + var buf bytes.Buffer + fmt.Fprintln(&buf, ` +package main + +func main() { +} +`) + fmt.Fprintln(&buf, "//go:nowritebarrier\r") + fmt.Fprintln(&buf, ` +func x() { +} +`) + + if err := ioutil.WriteFile(filepath.Join(dir, "x.go"), buf.Bytes(), 0666); err != nil { + log.Fatal(err) + } + + cmd := exec.Command("go", "tool", "compile", "-p=p", "x.go") + cmd.Dir = dir + output, err := cmd.CombinedOutput() + if err == nil { + log.Fatal("compile succeeded unexpectedly") + } + if !bytes.Contains(output, []byte("only allowed in runtime")) { + log.Fatalf("wrong error message from compiler; got:\n%s\n", output) + } +} -- cgit v1.2.3