ClassTag.unapply wrong for primitive types

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tmp$ scala
Welcome to Scala version 2.10.0-M7 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_06).
Type in expressions to have them evaluated.
Type :help for more information.

scala> import scala.reflect._
import scala.reflect._

scala> val intTag = implicitly[ClassTag[Int]]
intTag: scala.reflect.ClassTag[Int] = ClassTag[int]

scala> val n = 1
n: Int = 1

scala> intTag.runtimeClass.isAssignableFrom(n.getClass)
res0: Boolean = true

scala> intTag unapply n
res1: Option[Int] = None

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Imported From: https://issues.scala-lang.org/browse/SI-6318?orig=1
Reporter: @hseeberger
Affected Versions: 2.10.0-M7

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@xeno-by said:
scala/scala#1265

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@xeno-by said:
scala/scala@6a74033