UnpickleScala2: Scala modules do not set Lazy Flag.

Dotty modules do.

Author: DarkDimius

src/dotty/tools/dotc/core/unpickleScala2/PickleBuffer.scala

@@ -287,13 +287,16 @@ object PickleBuffer {
     val shift = ChunkBits
     val mask = ChunkSize - 1
     assert(6 * ChunkBits == ScalaFlagEnd)
-    FlagSet(
+    val t = FlagSet(
       map(0)((sflags >>> (shift * 0)).toInt & mask) |
       map(1)((sflags >>> (shift * 1)).toInt & mask) |
       map(2)((sflags >>> (shift * 2)).toInt & mask) |
       map(3)((sflags >>> (shift * 3)).toInt & mask) |
       map(4)((sflags >>> (shift * 4)).toInt & mask) |
       map(5)((sflags >>> (shift * 5)).toInt & mask)
     )
+    if (!isType && t.is(Module, Lazy))
+      t | Lazy // scala2 modules do not always set lazy flag. Dotty modules do
+    else t
   }
 }