diff options
| -rw-r--r-- | src/library/scala/Symbol.scala | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/library/scala/Symbol.scala b/src/library/scala/Symbol.scala index dfb246a493..112764a223 100644 --- a/src/library/scala/Symbol.scala +++ b/src/library/scala/Symbol.scala @@ -47,8 +47,9 @@ final case class Symbol(name: String) { * * @return the unique reference to this symbol. */ - def intern: Symbol = synchronized { internedSymbols get name match { - case Some(sym) if sym.isValid => sym.apply + def intern: Symbol = synchronized { + internedSymbols.get(name).map(.get).getOrElse(None) match { + case Some(sym) => sym case _ => internedSymbols(name) = new ref.WeakReference(this); this } } |