1 // run 2 3 // Copyright 2009 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 10 func main() { 11 var u30 uint64 = 0; 12 var u31 uint64 = 1; 13 _, _ = u30, u31; 14 var u32 uint64 = 18446744073709551615; 15 var u33 uint64 = +18446744073709551615; 16 if u32 != (1<<64)-1 { panic("u32\n"); } 17 if u33 != (1<<64)-1 { panic("u33\n"); } 18 var i34 int64 = ^0; // note: 2's complement means ^0 == -1 19 if i34 != -1 { panic("i34") } 20 } 21 /* 22 bug12.go:5: overflow converting constant to <uint64>UINT64 23 bug12.go:6: overflow converting constant to <uint64>UINT64 24 bug12.go:7: overflow converting constant to <uint64>UINT64 25 bug12.go:8: overflow converting constant to <uint64>UINT64 26 */ 27
