// translated such that its top-left corner is (0, 0), so that the single
	// frame completely fills the overall GIF's bounds.
	if pm.Rect.Min != (image.Point{}) {
		dup := *pm
		dup.Rect = dup.Rect.Sub(dup.Rect.Min)
		pm = &dup
	}

	return EncodeAll(w, &GIF{
		Image: []*image.Paletted{pm},
		Delay: []int{0},
		Config: image.Config{
			ColorModel: pm.Palette,
			Width:      b.Dx(),

		ffd.incomingEmpty <- true
	case syscall.SOCK_DGRAM:
		ffd.queue = newPacketQueue(defaultBuffer)
	default:
		return wrapErr(syscall.EINVAL)
	}

	fd.fakeNetFD = ffd
	if _, dup := sockets.LoadOrStore(ffd.fakeAddr, fd); dup {
		fd.fakeNetFD = nil
		return wrapErr(syscall.EADDRINUSE)
	}

	return nil
}

func fakeConnect(ctx context.Context, fd *netFD, laddr, raddr sockaddr) error {

// name of the directory containing names and control files for all open file descriptors
var dupdev, _ = BytePtrFromString("#d")

// forkAndExecInChild forks the process, calling dup onto 0..len(fd)
// and finally invoking exec(argv0, argvv, envv) in the child.
// If a dup or exec fails, it writes the error string to pipe.
// (The pipe write end is close-on-exec so if exec succeeds, it will be closed.)
//

import static org.objectweb.asm.Opcodes.ARETURN;
import static org.objectweb.asm.Opcodes.ASTORE;
import static org.objectweb.asm.Opcodes.CHECKCAST;
import static org.objectweb.asm.Opcodes.DUP;
import static org.objectweb.asm.Opcodes.F_SAME;
import static org.objectweb.asm.Opcodes.GETFIELD;
import static org.objectweb.asm.Opcodes.GETSTATIC;
import static org.objectweb.asm.Opcodes.GOTO;

import org.gradle.kotlin.dsl.support.bytecode.ARETURN
import org.gradle.kotlin.dsl.support.bytecode.ASTORE
import org.gradle.kotlin.dsl.support.bytecode.CHECKCAST
import org.gradle.kotlin.dsl.support.bytecode.DUP
import org.gradle.kotlin.dsl.support.bytecode.GETSTATIC
import org.gradle.kotlin.dsl.support.bytecode.ICONST_0
import org.gradle.kotlin.dsl.support.bytecode.INVOKEINTERFACE

	// Store the name and type provided by the user....
	if t, dup := nameToConcreteType.LoadOrStore(name, reflect.TypeOf(value)); dup && t != ut.user {
		panic(fmt.Sprintf("gob: registering duplicate types for %q: %s != %s", name, t, ut.user))
	}

	// but the flattened type in the type table, since that's what decode needs.
	if n, dup := concreteTypeToName.LoadOrStore(ut.base, name); dup && n != name {
		nameToConcreteType.Delete(name)

)

// Implemented in runtime package.
func runtime_BeforeFork()
func runtime_AfterFork()
func runtime_AfterForkInChild()

// Fork, dup fd onto 0..len(fd), and exec(argv0, argvv, envv) in child.
// If a dup or exec fails, write the errno error to pipe.
// (Pipe is close-on-exec so if exec succeeds, it will be closed.)
// In the child, this function must not acquire any locks, because

	goCmd(nil, "build", "-buildmode=plugin", "./plugin2")
	so, err := os.ReadFile("plugin2.so")
	if err != nil {
		log.Panic(err)
	}
	if err := os.WriteFile("plugin2-dup.so", so, 0444); err != nil {
		log.Panic(err)
	}
	prettyPrintf("cp plugin2.so plugin2-dup.so\n")

	goCmd(nil, "build", "-buildmode=plugin", "-o=sub/plugin1.so", "./sub/plugin1")
	goCmd(nil, "build", "-buildmode=plugin", "-o=unnamed1.so", "./unnamed1/main.go")

	upgradeTo := make(map[string]string, len(upgrade))
	for _, u := range upgrade {
		if !pathInList[u.Path] {
			list = append(list, module.Version{Path: u.Path, Version: "none"})
		}
		if prev, dup := upgradeTo[u.Path]; dup {
			upgradeTo[u.Path] = reqs.Max(u.Path, prev, u.Version)
		} else {
			upgradeTo[u.Path] = u.Version
		}
	}

			// now on.
			dupCloexecUnsupported.Store(true)
		default:
			return -1, "fcntl", err
		}
	}
	return dupCloseOnExecOld(fd)
}

// Dup duplicates the file descriptor.
func (fd *FD) Dup() (int, string, error) {
	if err := fd.incref(); err != nil {
		return -1, "", err
	}
	defer fd.decref()
	return DupCloseOnExec(fd.Sysfd)
}