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Diffstat (limited to 'src/main/scala/scala/async/internal/TransformUtils.scala')
-rw-r--r-- | src/main/scala/scala/async/internal/TransformUtils.scala | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/main/scala/scala/async/internal/TransformUtils.scala b/src/main/scala/scala/async/internal/TransformUtils.scala index a01a801..665dead 100644 --- a/src/main/scala/scala/async/internal/TransformUtils.scala +++ b/src/main/scala/scala/async/internal/TransformUtils.scala @@ -164,11 +164,17 @@ private[async] trait TransformUtils { case ld: LabelDef => ld.symbol }.toSet t.exists { - case rt: RefTree => !(labelDefs contains rt.symbol) + case rt: RefTree => rt.symbol != null && isLabel(rt.symbol) && !(labelDefs contains rt.symbol) case _ => false } } + private def isLabel(sym: Symbol): Boolean = { + val LABEL = 1L << 17 // not in the public reflection API. + (internal.flags(sym).asInstanceOf[Long] & LABEL) != 0L + } + + /** Map a list of arguments to: * - A list of argument Trees * - A list of auxillary results. |