// run // 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 "os" func panicWhenNot(cond bool) { if cond { os.Exit(0) } else { panic("nilcheck elim failed") } } func main() { e := (*string)(nil) panicWhenNot(e == e) // Should never reach this line. panicWhenNot(*e == *e) }