golang log_stub 代码
文件路径：/src/math/log_stub.go
// Copyright 2021 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.
//go:build !amd64 && !s390x
package math
const haveArchLog = false
func archLog(x float64) float64 {
panic("not implemented")
}