5 files changed, 25 insertions, 7 deletions
diff --git a/src/library/scala/Symbol.scala b/src/library/scala/Symbol.scala
index 8a17ae87b0..8851f1ab91 100644
--- a/src/library/scala/Symbol.scala
+++ b/src/library/scala/Symbol.scala
@@ -31,8 +31,8 @@ final class Symbol private (val name: String) extends Serializable {
   override def equals(other: Any) = this eq other.asInstanceOf[AnyRef]
 }
 
-object Symbol extends UniquenessCache[String, Symbol]
-{
+object Symbol extends UniquenessCache[String, Symbol] {
+  override def apply(name: String): Symbol = super.apply(name)
   protected def valueFromKey(name: String): Symbol = new Symbol(name)
   protected def keyFromValue(sym: Symbol): Option[String] = Some(sym.name)
 }
diff --git a/src/library/scala/reflect/ClassManifest.scala b/src/library/scala/reflect/ClassManifest.scala
index acd28f04f5..466b57dea7 100644
--- a/src/library/scala/reflect/ClassManifest.scala
+++ b/src/library/scala/reflect/ClassManifest.scala
@@ -127,7 +127,7 @@ trait ClassManifest[T] extends OptManifest[T] with Equals with Serializable {
     java.lang.reflect.Array.newInstance(tp, 0).getClass.asInstanceOf[jClass[Array[T]]]
 
   def arrayManifest: ClassManifest[Array[T]] =
-    ClassManifest.classType[Array[T]](arrayClass[T](erasure))
+    ClassManifest.classType[Array[T]](arrayClass[T](erasure), this)
 
   def newArray(len: Int): Array[T] =
     java.lang.reflect.Array.newInstance(erasure, len).asInstanceOf[Array[T]]
@@ -220,7 +220,7 @@ object ClassManifest {
     new ClassTypeManifest[T](Some(prefix), clazz, args.toList)
 
   def arrayType[T](arg: OptManifest[_]): ClassManifest[Array[T]] = arg match {
-    case NoManifest => Object.asInstanceOf[ClassManifest[Array[T]]]
+    case NoManifest          => Object.asInstanceOf[ClassManifest[Array[T]]]
     case m: ClassManifest[_] => m.asInstanceOf[ClassManifest[T]].arrayManifest
   }
 
diff --git a/src/library/scala/reflect/Manifest.scala b/src/library/scala/reflect/Manifest.scala
index 18fd34ed2e..be08409636 100644
--- a/src/library/scala/reflect/Manifest.scala
+++ b/src/library/scala/reflect/Manifest.scala
@@ -44,7 +44,7 @@ trait Manifest[T] extends ClassManifest[T] with Equals {
   override def typeArguments: List[Manifest[_]] = Nil
 
   override def arrayManifest: Manifest[Array[T]] =
-    Manifest.classType[Array[T]](arrayClass[T](erasure))
+    Manifest.classType[Array[T]](arrayClass[T](erasure), this)
 
   override def canEqual(that: Any): Boolean = that match {
     case _: Manifest[_]   => true
diff --git a/src/library/scala/runtime/AbstractPartialFunction.scala b/src/library/scala/runtime/AbstractPartialFunction.scala
index f48d99f5af..cbe778f09b 100644
--- a/src/library/scala/runtime/AbstractPartialFunction.scala
+++ b/src/library/scala/runtime/AbstractPartialFunction.scala
@@ -26,7 +26,7 @@ abstract class AbstractPartialFunction[-T1, +R]
   private var fallBackField: PartialFunction[T1 @uncheckedVariance, R @uncheckedVariance] = _
 
   def fallBack: PartialFunction[T1, R] = synchronized {
-    if (fallBackField == null) fallBackField = PartialFunction.empty
+    if (fallBackField eq null) fallBackField = PartialFunction.empty
     fallBackField
   }
 
@@ -38,7 +38,7 @@ abstract class AbstractPartialFunction[-T1, +R]
   override def orElse[A1 <: T1, B1 >: R](that: PartialFunction[A1, B1]) : PartialFunction[A1, B1] = {
     val result = this.clone.asInstanceOf[AbstractPartialFunction[A1, B1]]
     result.synchronized {
-      result.fallBackField = this.fallBackField orElse that
+      result.fallBackField = if (this.fallBackField eq null) that else this.fallBackField orElse that
       result
     }
   }
diff --git a/src/library/scala/runtime/BoxesRunTime.java b/src/library/scala/runtime/BoxesRunTime.java
index c726c56d0e..b19c8d086c 100644
--- a/src/library/scala/runtime/BoxesRunTime.java
+++ b/src/library/scala/runtime/BoxesRunTime.java
@@ -769,6 +769,24 @@ public final class BoxesRunTime
         }
         throw new NoSuchMethodException();
     }
+    
+    public static boolean isBoxedNumberOrBoolean(Object arg) {
+      if (arg instanceof java.lang.Boolean)
+        return true;
+      else
+        return isBoxedNumber(arg);
+    }
+    public static boolean isBoxedNumber(Object arg) {
+      return  (
+           (arg instanceof java.lang.Integer)
+        || (arg instanceof java.lang.Long)
+        || (arg instanceof java.lang.Double)
+        || (arg instanceof java.lang.Float)
+        || (arg instanceof java.lang.Short)
+        || (arg instanceof java.lang.Character)
+        || (arg instanceof java.lang.Byte)
+      );
+    }
 
     /** arg.toChar */
     public static java.lang.Character toCharacter(Object arg) throws NoSuchMethodException {