// run
// Copyright 2015 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 int) {
defer func() {
if x != 42 {
println("BUG: x =", x)
}
}()
return 42
}
func main() {
F()
}