}

			// Perfectly sized buffer.
			byteLen := (x.BitLen() + 7) / 8
			buf := make([]byte, byteLen)
			checkResult(t, x.FillBytes(buf), x)

			// Way larger, checking all bytes get zeroed.
			buf = make([]byte, 100)
			for i := range buf {
				buf[i] = 0xff
			}
			checkResult(t, x.FillBytes(buf), x)

			// Too small.
			if byteLen > 0 {
				buf = make([]byte, byteLen-1)

// 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 runtime

import (
	"internal/abi"
	"internal/bytealg"
	"internal/goarch"
	"internal/stringslite"
	"runtime/internal/sys"
	"unsafe"
)

// The code in this file implements stack trace walking for all architectures.