return n
			}
		}
		return -1
	}

	strs = make([]string, nnames)

	strdata := make(map[int]string, nnames)
	strlens := make(map[int]int, nnames)

	buildStrings := func() {
		for n, strlen := range strlens {
			data := strdata[n]
			if len(data) <= strlen {
				fatalf("invalid string literal")
			}
			strs[n] = data[:strlen]
		}
	}

cd work
mkdir zoneinfo
curl -sS -L -O https://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz
curl -sS -L -O https://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz
tar xzf tzcode$CODE.tar.gz
tar xzf tzdata$DATA.tar.gz

if ! make CFLAGS=-DSTD_INSPIRED AWK=awk TZDIR=zoneinfo posix_only >make.out 2>&1; then
	cat make.out
	exit 2
fi

cd zoneinfo
../mkzip ../../zoneinfo.zip
cd ../..

/src/cmd/go/internal/cfg/zdefaultcc.go
/src/cmd/internal/objabi/zbootstrap.go
/src/go/build/zcgo.go
/src/go/doc/headscan
/src/internal/buildcfg/zbootstrap.go
/src/runtime/internal/sys/zversion.go
/src/unicode/maketables
/src/time/tzdata/zzipdata.go
/test.out
/test/garbage/*.out
/test/pass.out
/test/run.out
/test/times.out

# This file includes artifacts of Go build that should not be checked in.

	}
	if !reflect.DeepEqual(rHdr, hdr) {
		t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
	}
	rData, err := io.ReadAll(tr)
	if err != nil {
		t.Fatalf("Read: %v", err)
	}
	if !bytes.Equal(rData, data) {
		t.Errorf("Data mismatch.\n got %q\nwant %q", rData, data)
	}
}

type headerRoundTripTest struct {
	h  *Header
	fm fs.FileMode
}