Set<K> seen = new HashSet<>();
      BitSet dups = new BitSet(); // slots that are overridden by a later duplicate key
      for (int i = size - 1; i >= 0; i--) {
        if (!seen.add(entries[i].getKey())) {
          dups.set(i);
        }
      }
      if (dups.isEmpty()) {
        return null;
      }
      @SuppressWarnings({"rawtypes", "unchecked"})

			`func B`,
			`B comment`,
		},
		[]string{
			`Package A doc`,
			`Package B doc`,
			`A doc`,
			`A comment`,
			`A doc`,
		},
	},

	// No dups with -u. Issue 21797.
	{
		"case matching on, no dups",
		[]string{"-u", p, `duplicate`},
		[]string{
			`Duplicate`,
			`duplicate`,
		},
		[]string{
			"\\)\n+const", // This will appear if the const decl appears twice.
		},

	// Hardening against HTTP request smuggling
	if len(contentLens) > 1 {
		// Per RFC 7230 Section 3.3.2, prevent multiple
		// Content-Length headers if they differ in value.
		// If there are dups of the value, remove the dups.
		// See Issue 16490.
		first := textproto.TrimString(contentLens[0])
		for _, ct := range contentLens[1:] {
			if first != textproto.TrimString(ct) {

			// 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)
}

// "dentries".
//
// Writing of expected results is complicated by closures and by
// generics, where you can have multiple functions that all share the
// same starting line. Currently we combine up all the dups and
// closures into the single pre-func comment.
func updateExpected(t *testing.T, testcase string, dentries []fnInlHeur, dcsites []encodedCallSiteTab) {
	nd := len(dentries)

	ues := mkUpexState(dentries)

	if method != "" && method != "CONNECT" && rest != cleanPath(rest) {
		return nil, errors.New("non-CONNECT pattern with unclean path can never match")
	}

	seenNames := map[string]bool{} // remember wildcard names to catch dups
	for len(rest) > 0 {
		// Invariant: rest[0] == '/'.
		rest = rest[1:]
		off = len(s) - len(rest)
		if len(rest) == 0 {
			// Trailing slash.
			p.segments = append(p.segments, segment{wild: true, multi: true})

// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || (linux && !arm64 && !loong64 && !riscv64) || netbsd || openbsd

package main

import "syscall"

func dup2(oldfd, newfd int) error {
	return syscall.Dup2(oldfd, newfd)

// license that can be found in the LICENSE file.

//go:build (linux && arm64) || (linux && loong64) || (linux && riscv64)

package main

import "syscall"

func dup2(oldfd, newfd int) error {
	return syscall.Dup3(oldfd, newfd, 0)

<?xml version="1.0" encoding="UTF-8"?>
<project name="deps" basedir=".">
	<property name="target.dir" value="${basedir}/target/deps" />
	<property name="webinf.dir" value="${basedir}/src/main/webapp/WEB-INF" />
	<property name="crawler.dir" value="${basedir}/src/main/webapp/WEB-INF/env/crawler" />
	<property name="suggest.dir" value="${basedir}/src/main/webapp/WEB-INF/env/suggest" />
	<property name="thumbnail.dir" value="${basedir}/src/main/webapp/WEB-INF/env/thumbnail" />

maven-deps.svg...