mongoimport from mongoexport file with --jsonArray in 2.0 is broken

mongoimport only imports 4/10 items in the collection if I use --jsonArray

Repro
MongoDB shell version: 2.0.0
connecting to: test
> db.test_collection.insert(

{a:1}

)
> db.test_collection.insert(

{a:2}

)
> db.test_collection.insert(

{a:3}

)
> db.test_collection.insert(

{a:4}

)
> db.test_collection.insert(

{a:5}

)
> db.test_collection.insert(

{a:6}

)
> db.test_collection.insert(

{a:7}

)
> db.test_collection.insert(

{a:8}

)
> db.test_collection.insert(

{a:9}

)
> db.test_collection.insert(

{a:10}

)

> mongoexport -d test -c test_collection -o test.json --jsonArray
connected to: 127.0.0.1
exported 10 records

> mongoimport -d test -c test_collection --file test.json --jsonArray
connected to: 127.0.0.1
imported 4 objects