lubResults/glbResults are leaking

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As described in http://groups.google.com/group/scala-internals/browse_thread/thread/eabcf3d406dab8b2, lubResults/glbResults are leaking. These guys are cleaned up by lub/glb, but they are also used in private methods like "def lub(ts: List[Type], depth: Int): Type", which don't clean the caches.

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Imported From: https://issues.scala-lang.org/browse/SI-6437?orig=1
Reporter: @xeno-by

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@gkossakowski said:
Just to make it clear this is an issue with compiler itself and not reflection. That's why it's marked blocker.

Martin: any estimates how long will it take you to fix it?

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@odersky said:
I think it's better to leave it. It's after all not the compiler itself that would leak. The fix is not completely trivial. So I'd prefer to leave it for 2.10.1

[SethTisue]

although there is some information on the mailing list thread this doesn't seem like it's in a state where it's likely to progress (or to even understand whether the problem still exists) without clearer information

happy to reopen if someone comes forward with clear details