//   - On other Unix-like systems, Reader reads from /dev/urandom.
//   - On Windows, Reader uses the ProcessPrng API.
//   - On js/wasm, Reader uses the Web Crypto API.
//   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
var Reader io.Reader

// Read is a helper function that calls Reader.Read using io.ReadFull.
// On return, n == len(b) if and only if err == nil.

// run

//go:build !js && !wasip1 && gc

// Copyright 2014 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 (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
)

func main() {
	err := os.Chdir(filepath.Join("fixedbugs", "issue9355.dir"))
	check(err)

// run

//go:build !nacl && !js && !wasip1 && !gccgo

// Copyright 2019 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.
//
// Ensure that deadlock detection can still
// run even with an import of "_ os/signal".

package main

import (
	"bytes"
	"context"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"time"
)

// Copyright 2023 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.

//go:build !js && !wasip1

package toolchain

import (
	"cmd/go/internal/base"
	"internal/godebug"
	"os"
	"os/exec"
	"runtime"
	"syscall"
)

// execGoToolchain execs the Go toolchain with the given name (gotoolchain),
// GOROOT directory, and go command executable.

// errorcheck -0 -m -live -std

//go:build !windows && !js && !wasip1

// 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.

// Test escape analysis and liveness inferred for uintptrkeepalive functions.
//
// This behavior is enabled automatically for function declarations with no

// run

//go:build !nacl && !js && !wasip1 && gc

// Copyright 2014 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.

// Run the linkx test.

package main

import (
	"bytes"
	"fmt"
	"os"
	"os/exec"
	"strings"
)

func main() {
	// test(" ") // old deprecated & removed syntax
	test("=") // new syntax
}

// run

//go:build !nacl && !js && !wasip1 && gc

// Copyright 2011 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.

// Test that compiling with optimization turned on produces faster code.

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
)

func main() {

// Copyright 2018 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.

// js and wasip1 do not support inter-process file locking.
//
//go:build !js && !wasip1

package lockedfile_test

import (
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"testing"
	"time"

	"cmd/go/internal/lockedfile"
)

// run

//go:build !nacl && !js && !wasip1

// Copyright 2014 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.

// Run the sinit test.

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
)

var tmpDir string

func cleanup() {
	os.RemoveAll(tmpDir)
}

// run

//go:build !nacl && !js && !wasip1

// Copyright 2018 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.

// Ensure that label redefinition errors print out
// a column number that matches the start of the current label's
// definition instead of the label delimiting token ":"

package main

import (
	"bytes"
	"fmt"
	"io/ioutil"