1// run
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9import "os"
10
11func panicWhenNot(cond bool) {
12	if cond {
13		os.Exit(0)
14	} else {
15		panic("nilcheck elim failed")
16	}
17}
18
19func main() {
20	e := (*string)(nil)
21	panicWhenNot(e == e)
22	// Should never reach this line.
23	panicWhenNot(*e == *e)
24}
25