|  | // run | 
|  |  | 
|  | // 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 u30 uint64 = 0; | 
|  | var u31 uint64 = 1; | 
|  | _, _ = u30, u31; | 
|  | var u32 uint64 = 18446744073709551615; | 
|  | var u33 uint64 = +18446744073709551615; | 
|  | if u32 != (1<<64)-1 { panic("u32\n"); } | 
|  | if u33 != (1<<64)-1 { panic("u33\n"); } | 
|  | var i34 int64 = ^0;  // note: 2's complement means ^0 == -1 | 
|  | if i34 != -1 { panic("i34") } | 
|  | } | 
|  | /* | 
|  | bug12.go:5: overflow converting constant to <uint64>UINT64 | 
|  | bug12.go:6: overflow converting constant to <uint64>UINT64 | 
|  | bug12.go:7: overflow converting constant to <uint64>UINT64 | 
|  | bug12.go:8: overflow converting constant to <uint64>UINT64 | 
|  | */ |