// errorcheck -0 -race

//go:build (linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)

// Copyright 2017 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 13265: nil pointer deref.

package p

func f() {
    var c chan chan chan int
    for ; ; <-<-<-c {
    }

// Copyright 2017 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 (
	"internal/testenv"
	"testing"
)

func TestInternalLinkerCgoExec(t *testing.T) {
	testenv.MustHaveCGO(t)
	testenv.MustInternalLink(t, true)
	testGoExec(t, true, false)
}

func TestExternalLinkerCgoExec(t *testing.T) {
	testenv.MustHaveCGO(t)

// Copyright 2017 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 iface_i

type I interface {
	M()
}

type T struct {
}

func (t *T) M() {
}

// Copyright 2017 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

package sha1

import "internal/cpu"

var k = []uint32{
	0x5A827999,
	0x6ED9EBA1,
	0x8F1BBCDC,
	0xCA62C1D6,
}

//go:noescape
func sha1block(h []uint32, p []byte, k []uint32)

func block(dig *digest, p []byte) {
	if !cpu.ARM64.HasSHA1 {

// Copyright 2017 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

/*
const int sizeofLongDouble = sizeof(long double);
*/
import "C"

import "fmt"

func main() {
	fmt.Println(C.sizeofLongDouble)

// Copyright 2017 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

package notsha256

// Copyright 2017 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 program segfaulted during libpreinit when built with -msan:
// http://golang.org/issue/18707

package main

import "C"

// Copyright 2017 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 iface_b

import "testshared/iface_i"

//go:noinline
func F() interface{} {
	return (*iface_i.T)(nil)
}

//go:noinline
func G() iface_i.I {
	return (*iface_i.T)(nil)

// Copyright 2017 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 lldb

// Used by gcc_signal_darwin_arm64.c when doing the test build during cgo.
// We hope that for real binaries the definition provided by Go will take precedence
// and the linker will drop this .o file altogether, which is why this definition
// is all by itself in its own file.

// errorcheck

// Copyright 2017 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 p

func _ () {
	if {} // ERROR "missing condition in if statement"

	if
	{} // ERROR "missing condition in if statement"

	if ; {} // ERROR "missing condition in if statement"

	if foo; {} // ERROR "missing condition in if statement"