diff options
| -rw-r--r-- | src/reflect/scala/reflect/internal/transform/Erasure.scala | 6 | ||||
| -rw-r--r-- | test/files/run/t7088.check | 2 | ||||
| -rw-r--r-- | test/files/run/t7088.scala | 13 |
3 files changed, 20 insertions, 1 deletions
diff --git a/src/reflect/scala/reflect/internal/transform/Erasure.scala b/src/reflect/scala/reflect/internal/transform/Erasure.scala index a9a1285de3..580ada8254 100644 --- a/src/reflect/scala/reflect/internal/transform/Erasure.scala +++ b/src/reflect/scala/reflect/internal/transform/Erasure.scala @@ -55,9 +55,13 @@ trait Erasure { } } + /** Arrays despite their finality may turn up as refined type parents, + * e.g. with "tagged types" like Array[Int] with T. + */ protected def unboundedGenericArrayLevel(tp: Type): Int = tp match { case GenericArray(level, core) if !(core <:< AnyRefTpe) => level - case _ => 0 + case RefinedType(ps, _) if ps.nonEmpty => logResult(s"Unbounded generic level for $tp is")(ps map unboundedGenericArrayLevel max) + case _ => 0 } // @M #2585 when generating a java generic signature that includes diff --git a/test/files/run/t7088.check b/test/files/run/t7088.check new file mode 100644 index 0000000000..1191247b6d --- /dev/null +++ b/test/files/run/t7088.check @@ -0,0 +1,2 @@ +1 +2 diff --git a/test/files/run/t7088.scala b/test/files/run/t7088.scala new file mode 100644 index 0000000000..5f0114b940 --- /dev/null +++ b/test/files/run/t7088.scala @@ -0,0 +1,13 @@ +object Test { + type Tag[X] = {type Tag = X} + type TaggedArray[T] = Array[T] with Tag[Any] + + def method[T: scala.reflect.ClassTag](a: TaggedArray[T], value: T) { + a.update(0, value) + a foreach println + } + + def main(args: Array[String]): Unit = { + method(Array(1, 2).asInstanceOf[TaggedArray[Int]], 1) + } +} |