1// run 2 3// Copyright 2023 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 7package main 8 9import ( 10 "fmt" 11 "math/big" 12) 13 14//go:noinline 15func f(x uint32) *big.Int { 16 return big.NewInt(int64(x)) 17} 18func main() { 19 b := f(0xffffffff) 20 c := big.NewInt(0xffffffff) 21 if b.Cmp(c) != 0 { 22 panic(fmt.Sprintf("b:%x c:%x", b, c)) 23 } 24} 25