parrt/antlr4 — pull request #97 by sharwell (2012-10-08 15:30:46+00:00)
Title: Fix PredictionContext tests

* Normalize tests in `TestGraphNodes` to produce results dependent only on the shape of the graphs, and not on the order in which they are created.
* Fix `PredictionContext.mergeRoot` placing nodes in the wrong order during full context array merges.