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[error] uncaught exception during compilation: scala.tools.nsc.interactive.RangePositions$ValidateException
scala.tools.nsc.interactive.RangePositions$ValidateException:Synthetic tree [22450] contains nonsynthetic tree [22449]
at scala.tools.nsc.interactive.RangePositions$class.positionError$1(RangePositions.scala:201)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:218)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
at scala.tools.nsc.interactive.RangePositions$class.validate$1(RangePositions.scala:241)
…
@SethTisue said (edited on Jan 10, 2017 1:52:18 AM UTC):
presumably a duplicate of #8510, unless you can show it's reproducible in a recent 2.11.x or 2.12.x release
Repro is here: https://github.com/ryan-williams/magic-rdds/tree/scalac-bug.
You'll see a compiler crash like this:
More discussion can be found here.
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