Public Row no longer overrides hashCode / violates hashCode + equals contract

It appears that the public Row's hashCode is no longer overridden as of Spark 1.5.0:

val x = Row("Hello")
val y = Row("Hello")
println(x == y)
println(x.hashCode)
println(y.hashCode)

outputs

true
1032103993
1346393532

This violates the hashCode/equals contract.

I discovered this because it broke tests in the spark-avro library.