if err := writeHeader(w.cw, h); err != nil {
		return nil, err
	}
	// If we're creating a directory, fw is nil.
	w.last = fw
	return ow, nil
}

func writeHeader(w io.Writer, h *header) error {
	const maxUint16 = 1<<16 - 1
	if len(h.Name) > maxUint16 {
		return errLongName
	}
	if len(h.Extra) > maxUint16 {
		return errLongExtra
	}

	var buf [fileHeaderLen]byte
	b := writeBuf(buf[:])

pkg debug/elf, type R_LARCH int #46229
pkg debug/pe, const IMAGE_COMDAT_SELECT_ANY = 2 #51868
pkg debug/pe, const IMAGE_COMDAT_SELECT_ANY ideal-int #51868
pkg debug/pe, const IMAGE_COMDAT_SELECT_ASSOCIATIVE = 5 #51868
pkg debug/pe, const IMAGE_COMDAT_SELECT_ASSOCIATIVE ideal-int #51868
pkg debug/pe, const IMAGE_COMDAT_SELECT_EXACT_MATCH = 4 #51868
pkg debug/pe, const IMAGE_COMDAT_SELECT_EXACT_MATCH ideal-int #51868

pkg log/slog, const KindTime = 6 #56345
pkg log/slog, const KindTime Kind #56345
pkg log/slog, const KindUint64 = 7 #56345
pkg log/slog, const KindUint64 Kind #56345
pkg log/slog, const LevelDebug = -4 #56345
pkg log/slog, const LevelDebug Level #56345
pkg log/slog, const LevelError = 8 #56345
pkg log/slog, const LevelError Level #56345
pkg log/slog, const LevelInfo = 0 #56345

pkg log/syslog (netbsd-386), const LOG_LOCAL5 Priority
pkg log/syslog (netbsd-386), const LOG_LOCAL6 Priority
pkg log/syslog (netbsd-386), const LOG_LOCAL7 Priority
pkg log/syslog (netbsd-386), const LOG_LPR Priority
pkg log/syslog (netbsd-386), const LOG_MAIL Priority
pkg log/syslog (netbsd-386), const LOG_NEWS Priority
pkg log/syslog (netbsd-386), const LOG_NOTICE Priority

pkg debug/elf, const EM_68HC08 = 71
pkg debug/elf, const EM_68HC08 Machine
pkg debug/elf, const EM_68HC11 = 70
pkg debug/elf, const EM_68HC11 Machine
pkg debug/elf, const EM_68HC16 = 69
pkg debug/elf, const EM_68HC16 Machine
pkg debug/elf, const EM_78KOR = 199
pkg debug/elf, const EM_78KOR Machine
pkg debug/elf, const EM_8051 = 165
pkg debug/elf, const EM_8051 Machine
pkg debug/elf, const EM_ALTERA_NIOS2 = 113

pkg debug/elf, const R_390_COPY = 9
pkg debug/elf, const R_390_COPY R_390
pkg debug/elf, const R_390_GLOB_DAT = 10
pkg debug/elf, const R_390_GLOB_DAT R_390
pkg debug/elf, const R_390_GOT12 = 6
pkg debug/elf, const R_390_GOT12 R_390
pkg debug/elf, const R_390_GOT16 = 15
pkg debug/elf, const R_390_GOT16 R_390
pkg debug/elf, const R_390_GOT20 = 58
pkg debug/elf, const R_390_GOT20 R_390
pkg debug/elf, const R_390_GOT32 = 7

pkg math (linux-arm), const MaxInt = 2147483647
pkg math (linux-arm), const MaxUint = 4294967295
pkg math (linux-arm), const MinInt = -2147483648
pkg math (linux-arm-cgo), const MaxInt = 2147483647
pkg math (linux-arm-cgo), const MaxUint = 4294967295
pkg math (linux-arm-cgo), const MinInt = -2147483648
pkg math (netbsd-386), const MaxInt = 2147483647
pkg math (netbsd-386), const MaxUint = 4294967295

pkg debug/elf, const PT_OPENBSD_NOBTCFI = 1705237480 #66054

			target = &a[2]
			prog.From = a[0]
			if a[0].Type != obj.TYPE_CONST {
				// Legacy code may use a plain constant, accept it, and coerce
				// into a constant. E.g:
				//   BC 4,...
				// into
				//   BC $4,...
				prog.From = obj.Addr{
					Type:   obj.TYPE_CONST,
					Offset: p.getConstant(prog, op, &a[0]),
				}

			}

			// Likewise, fixup usage like:

globalThis.TextDecoder = require("util").TextDecoder;

globalThis.performance ??= require("performance");

globalThis.crypto ??= require("crypto");

require("./wasm_exec");

const go = new Go();
go.argv = process.argv.slice(2);
go.env = Object.assign({ TMPDIR: require("os").tmpdir() }, process.env);
go.exit = process.exit;