// errorcheck

// 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.

package p

// Use a different line number for each token so we can
// check that the error message appears at the correct
// position.
var _ = struct{}{ /*line :20:1*/foo /*line :21:1*/: /*line :22:1*/0 }

// 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.

//go:build !openbsd

package runtime

// osStackAlloc performs OS-specific initialization before s is used
// as stack memory.
func osStackAlloc(s *mspan) {
}

// osStackFree undoes the effect of osStackAlloc before s is returned
// to the heap.
func osStackFree(s *mspan) {

// 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.

//go:build 386 || (amd64 && !plan9) || s390x || arm || arm64 || loong64 || ppc64 || ppc64le || mips || mipsle || mips64 || mips64le || riscv64 || wasm

package bytealg

//go:noescape
func IndexByte(b []byte, c byte) int

//go:noescape

// errorcheck

// 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.

package p

type I1 = interface {
	I2
}

// BAD: type loop should mention I1; see also #41669
type I2 interface { // GC_ERROR "invalid recursive type: I2 refers to itself"
	I1 // GCCGO_ERROR "invalid recursive interface"

// 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.

#include "textflag.h"

TEXT ·set_crosscall2(SB),NOSPLIT,$0-0
	UNDEF

TEXT crosscall2(SB), NOSPLIT, $0

// 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.

//go:build windows

package windows

import "syscall"

type Errno = syscall.Errno

// 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.

//go:build (ppc64 || ppc64le) && !purego

package subtle

//go:noescape

// 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.

package main

import "fmt"

func B(c chan bool) {
	go func() {
		fmt.Println(1.5)
		c <- true
	}()

// errorcheck

// 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.

package p

func f(x interface{}) {
	switch x.(type) {
	}

	switch t := x.(type) { // ERROR "declared and not used"
	}

// 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.

package a

// typedef struct S ST;
// static ST* F() { return 0; }
import "C"

func F1() {
	C.F()