Fixed #1342.

1 files changed, 13 insertions, 1 deletions

diff --git a/src/compiler/scala/tools/nsc/ast/TreeGen.scala b/src/compiler/scala/tools/nsc/ast/TreeGen.scala
index 89762ce258..db5c2f2afe 100644
--- a/src/compiler/scala/tools/nsc/ast/TreeGen.scala
+++ b/src/compiler/scala/tools/nsc/ast/TreeGen.scala
@@ -271,7 +271,6 @@ abstract class TreeGen
     DefDef(accessor setFlag lateDEFERRED, EmptyTree)
 
   def mkRuntimeCall(meth: Name, args: List[Tree]): Tree = {
-    assert(meth.toString != "boxArray") // !!! can be removed once arrays are in.
     Apply(Select(mkAttributedRef(ScalaRunTimeModule), meth), args)
   }
 
@@ -302,6 +301,19 @@ abstract class TreeGen
   def mkForwarder(target: Tree, vparamss: List[List[Symbol]]) =
     (target /: vparamss)((fn, vparams) => Apply(fn, vparams map paramToArg))
 
+  /** Applies a wrapArray call to an array, making it a WrappedArray
+   */
+  def mkWrapArray(tree: Tree, elemtp: Type) = {
+    val predef = mkAttributedRef(PredefModule)
+    val meth =
+      if ((elemtp <:< AnyRefClass.tpe) && !isPhantomClass(elemtp.typeSymbol) ||
+          isValueClass(elemtp.typeSymbol))
+        Select(predef, "wrapArray")
+      else
+        TypeApply(Select(predef, "genericWrapArray"), List(TypeTree(elemtp)))
+    Apply(meth, List(tree))
+  }
+
   /** Used in situations where you need to access value of an expression several times
    */
   def evalOnce(expr: Tree, owner: Symbol, unit: CompilationUnit)(within: (() => Tree) => Tree): Tree = {