netty/netty — pull request #3028 by nmittler (2014-10-20 16:02:08+00:00)
Title: Allowing negative keys in IntObjectHashMap.

Motivation:

IntObjectHashMap throws an exception when using negative values for
keys.

Modifications:

Changed hashIndex() to normalize the index if the mod operation returns
a negative number.

Result:

IntObjectHashMap supports negative key values.