Compatibility with Scala 2.12.0-RC1

  - method local lazy vals are now encoded as a single ValDef
    rather than a ValDef + DefDef pair. We need to treat ValDef-s
    with the LAZY flag in the same way as we used to treat the
    DefDef.
  - Rename one of the symbols `ANF,anf` in the same scope to avoid
    generating anonymous class names that differ only in case. The
    compiler warned about this one.
  - When patching the LabelDefs to have a `Unit` result type, propagate
    this other LabelDefs conclude with a jump to that label. Not sure
    why, but without this we now hit an error in the backend about the
    nonsensical attempt to emit a coercion from void to int.
  - Use crossScalaVersions in the build and update the Scala versions
    tested in CI.

1 files changed, 3 insertions, 1 deletions

diff --git a/build.sbt b/build.sbt
index 9759fe9..a26fec7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,6 @@
-scalaVersion := "2.11.6"
+crossScalaVersions := List("2.11.8", "2.12.0-RC1")
+
+scalaVersion := crossScalaVersions.value.head
 
 // Uncomment to test with a locally built copy of Scala.
 // scalaHome := Some(file("/code/scala2/build/pack"))