| // run | |
| // Copyright 2024 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 | |
| import "math" | |
| var doNotFold = 18446744073709549568.0 | |
| func main() { | |
| if math.Trunc(doNotFold) != doNotFold { | |
| panic("big (over 2**63-1) math.Trunc is incorrect") | |
| } | |
| } |