// errorcheck -0 -l -m=2

// 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.

// This test makes sure that -m=2's escape analysis diagnostics don't
// go into an infinite loop when handling negative dereference
// cycles. The critical thing being tested here is that compilation
// succeeds ("errorcheck -0"), not any particular diagnostic output,

// errorcheck

// Copyright 2009 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

func main() {
	s := vlong(0);  // ERROR "undef"
	_ = s

// errorcheck

// Copyright 2009 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 c = 3

// errorcheck

// Copyright 2009 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

func main() {
	var x int;
	x := 0; // ERROR "declar|:="
	_ = x;

// errorcheck

// 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.

package p

// errorcheck

// 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.

package p

// errorcheck -std

// Copyright 2022 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

//go:uintptrkeepalive
func missingNosplit(uintptr) { // ERROR "go:uintptrkeepalive requires go:nosplit"

// errorcheck

// Copyright 2009 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

func f (x,		// GCCGO_ERROR "previous"
	x int) {	// ERROR "duplicate argument|redefinition|redeclared"

// errorcheck

// Copyright 2009 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

func main() {
	x := string{'a', 'b', '\n'};	// ERROR "composite"
	print(x);

// errorcheck

// Copyright 2009 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

func f() {
	a := true;
	a |= a;	// ERROR "illegal.*OR|bool|expected"