// 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.

package main

import (
	"fmt"
	"go/ast"
	"go/parser"
	"internal/diff"
	"internal/testenv"
	"strings"
	"testing"
)

type testCase struct {
	Name    string
	Fn      func(*ast.File) bool
	Version string
	In      string
	Out     string
}

// Copyright 2013 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 subtle_test

import (
	"bytes"
	"crypto/rand"
	. "crypto/subtle"
	"fmt"
	"io"
	"testing"
)

func TestXORBytes(t *testing.T) {
	for n := 1; n <= 1024; n++ {
		if n > 16 && testing.Short() {
			n += n >> 3
		}
		for alignP := 0; alignP < 8; alignP++ {

// Code generated by "go test -run=Generate -write=all"; DO NOT EDIT.
// Source: ../../cmd/compile/internal/types2/pointer.go

// 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.

package types

// A Pointer represents a pointer type.
type Pointer struct {
	base Type // element type
}

// Copyright 2012 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.

// This example demonstrates a priority queue built using the heap interface.
package heap_test

import (
	"container/heap"
	"fmt"
)

// An Item is something we manage in a priority queue.
type Item struct {
	value    string // The value of the item; arbitrary.

// Copyright 2013 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 !purego && (ppc64 || ppc64le)

#include "textflag.h"

// func addMulVVW1024(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1024(SB), $0-32
	MOVD	$4, R6 // R6 = z_len/4
	JMP		addMulVVWx<>(SB)

// func addMulVVW1536(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1536(SB), $0-32

// 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.

//go:build !race

#include "textflag.h"

TEXT ·SwapInt32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg(SB)

TEXT ·SwapUint32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg(SB)

TEXT ·SwapInt64(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg64(SB)

// 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.

package sync

import (
	"sync/atomic"
	"unsafe"
)

// Cond implements a condition variable, a rendezvous point
// for goroutines waiting for or announcing the occurrence
// of an event.
//
// Each Cond has an associated Locker L (often a [*Mutex] or [*RWMutex]),

// -lang=go1.17

// 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.

// type declarations

package p // don't permit non-interface elements in interfaces

import "unsafe"

const pi = 3.1415

type (
	N undefined /* ERROR "undefined" */
	B bool
	I int32
	A [10]P
	T struct {
		x, y P
	}
	P *T
	R (*R)

// Copyright 2010 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 unix || (js && wasm) || wasip1

package filepath

import (
	"strings"
)

// HasPrefix exists for historical compatibility and should not be used.
//
// Deprecated: HasPrefix does not respect path boundaries and
// does not ignore case when required.

// 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.

//go:build solaris

package syscall

import "unsafe"

//go:cgo_import_dynamic libc_Getpgid getpgid "libc.so"
//go:cgo_import_dynamic libc_Getpgrp getpgrp "libc.so"

//go:linkname libc_Getpgid libc_Getpgid
//go:linkname libc_Getpgrp libc_Getpgrp

var (
	libc_Getpgid,