go bug012 源码
golang bug012 代码
文件路径：/test/fixedbugs/bug012.go
// 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
*/
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