if err != nil {
				return err
			}
			perm = info.Mode() & os.ModePerm
		}

		// Always make copies of directories.
		// If we add a file in the overlay, we don't want to add it in the original.
		if info.IsDir() {
			return os.MkdirAll(dstPath, perm|0200)
		}

		// If we can use a hard link, do that instead of copying bytes.
		// Go builds don't like symlinks in some cases, such as go:embed.

// the same Func Object as the original method. See also go.dev/issue/34421.
func TestEmbeddedMethod(t *testing.T) {
	const src = `package p; type I interface { error }`
	pkg := mustTypecheck(src, nil, nil)

	// get original error.Error method
	eface := Universe.Lookup("error")
	orig, _, _ := LookupFieldOrMethod(eface.Type(), false, nil, "Error")
	if orig == nil {
		t.Fatalf("original error.Error not found")
	}

		}
		// If the original block contained u = φ(u0, u1, ..., un) and
		// the current phi is
		//    v = φ(v0, v1, ..., u, ..., vk)
		// then the merged phi is
		//    v = φ(v0, v1, ..., u0, ..., vk, u1, ..., un)
		v.SetArg(i, u.Args[0])
		v.AddArgs(u.Args[1:]...)
	} else {
		// If the original block contained u = φ(u0, u1, ..., un) and
		// the current phi is

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package math

// The original C code, the long comment, and the constants
// below are from FreeBSD's /usr/src/lib/msun/src/s_asinh.c
// and came with this notice. The go code is a simplified
// version of the original C.
//
// ====================================================
// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

// a particular key is never again modified, but that has not been a
// stated assumption before. Just in case there is any existing code that
// does modify the key between operations, we save the original values
// alongside the cached BoringCrypto key and check that the real key
// still matches before using the cached key. The theory is that the real
// operations are significantly more expensive than the comparison.

// is that the conversion is lossless even for ill-formed UTF-16 strings.
// This property allows to read an ill-formed UTF-16 string, convert it
// to a Go string, and convert it back to the same original UTF-16 string.
//
// See go.dev/issues/59971 for more info.

package syscall

import (
	"unicode/utf16"
	"unicode/utf8"
)

const (
	surr1 = 0xd800
	surr2 = 0xdc00
	surr3 = 0xe000

			p = append(p, '%', hex[c>>4], hex[c&0xF])
		} else {
			p = append(p, c)
		}
	}

	return string(p)
}

// PrefixToPath is the inverse of PathToPrefix, replacing escape sequences with
// the original character.
func PrefixToPath(s string) (string, error) {
	percent := strings.IndexByte(s, '%')
	if percent == -1 {
		return s, nil
	}

	p := make([]byte, 0, len(s))
	for i := 0; i < len(s); {

	if ptr != nil {
		u = runtime_registerWeakPointer(unsafe.Pointer(ptr))
	}
	runtime.KeepAlive(ptr)
	return Pointer[T]{u}
}

// Strong creates a strong pointer from the weak pointer.
// Returns nil if the original value for the weak pointer was reclaimed by
// the garbage collector.
// If a weak pointer points to an object with a finalizer, then Strong will
// return nil as soon as the object's finalizer is queued for execution.

//
//	GOOS=linux GOARCH=ppc64 go build cmd/compile
//
// the resulting compiler will default to generating linux/ppc64 object files.
// This is more useful than having it default to generating objects for the
// original target (in this example, a Mac).
func mkbuildcfg(file string) {
	var buf strings.Builder
	writeHeader(&buf)
	fmt.Fprintf(&buf, "package buildcfg\n")
	fmt.Fprintln(&buf)
	fmt.Fprintf(&buf, "import \"runtime\"\n")

				wg.Done()
			}()
			d := Dialer{Timeout: 50 * time.Millisecond}
			c, err := d.Dial(ln.Addr().Network(), ln.Addr().String())
			if err != nil {
				if perr := parseDialError(err); perr != nil {
					t.Errorf("#%d: %v (original error: %v)", i, perr, err)
				}
				return
			}
			var b [1]byte
			if _, err := c.Write(b[:]); err != nil {
				if perr := parseWriteError(err); perr != nil {
					t.Errorf("#%d: %v", i, err)
				}