1 // run 2 3 // Copyright 2011 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 7 package main 8 9 func main() { 10 x := []uint{0} 11 x[0] &^= f() 12 } 13 14 func f() uint { 15 return 1<<31 // doesn't panic with 1<<31 - 1 16 } 17