scala/scala — pull request #963 by adriaanm (2012-07-21 09:56:37+00:00)
Title: SI-6089 pt2: _ is tailpos in `_ || _` and `_ && _`

pull #939 made tail position detection for matches more strict to fix SI-6089,
but became too strict: need to include the tail positions `_` in `_ || _` and `_ && _`.

review by @jsuereth