scala/scala — pull request #1255 by Blaisorblade (2012-09-05 04:37:32+00:00)
Title: Fix SI-6306 on testcase

Keep track of args which are passed in by-name positions, and avoid
inlining those.

Thanks to all commenters on SI-6306, in particular to Jason Zaugg for
diagnosing the underlying fault.

Moreover, clarify comment and add testcase.
Review by @lrytz.