Fix definition of empty package so that it can persist members

Previously, the empty package was always initialized with the empty scope.
This means that separate compilation between files in the empty package
was not possible.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/dotty/tools/dotc/core/Definitions.scala b/src/dotty/tools/dotc/core/Definitions.scala
index 7de254008..3c36b1a1e 100644
--- a/src/dotty/tools/dotc/core/Definitions.scala
+++ b/src/dotty/tools/dotc/core/Definitions.scala
@@ -4,7 +4,7 @@ package core
 
 import Types._, Contexts._, Symbols._, Denotations._, SymDenotations._, StdNames._, Names._
 import Flags._, Scopes._, Decorators._, NameOps._, util.Positions._
-import pickling.UnPickler.ensureConstructor
+import pickling.Scala2Unpickler.ensureConstructor
 import scala.annotation.{ switch, meta }
 import scala.collection.{ mutable, immutable }
 import PartialFunction._
@@ -99,7 +99,8 @@ class Definitions {
   lazy val RootPackage: TermSymbol = ctx.newSymbol(
     NoSymbol, nme.ROOTPKG, PackageCreationFlags, TypeRef(NoPrefix, RootClass))
 
-  lazy val EmptyPackageVal = ctx.newCompletePackageSymbol(RootClass, nme.EMPTY_PACKAGE).entered
+  lazy val EmptyPackageVal = ctx.newPackageSymbol(
+    RootClass, nme.EMPTY_PACKAGE, (emptypkg, emptycls) => ctx.rootLoader(emptypkg)).entered
   lazy val EmptyPackageClass = EmptyPackageVal.moduleClass.asClass
 
   /** A package in which we can place all methods that are interpreted specially by the compiler */