Disable checkNoPrivateLeaks when unpickling

Author: odersky

compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala

@@ -783,9 +783,6 @@ class TreeUnpickler(reader: TastyReader,
         // no longer necessary.
       goto(end)
       setPos(start, tree)
-      if (!sym.isType) { // Only terms might have leaky aliases, see the documentation of `checkNoPrivateLeaks`
-        sym.info = ta.avoidPrivateLeaks(sym, tree.pos)
-      }
       if ((sym.isClass || sym.is(CaseVal)) && sym.isLocal)
         // Child annotations for local classes and enum values are not pickled, so
         // need to be re-established here.

compiler/src/dotty/tools/dotc/core/unpickleScala2/Scala2Unpickler.scala

@@ -567,12 +567,6 @@ class Scala2Unpickler(bytes: Array[Byte], classRoot: ClassDenotation, moduleClas
                 // we need the checkNonCyclic call to insert LazyRefs for F-bounded cycles
               else if (!denot.is(Param)) tp1.underlyingIfRepeated(isJava = false)
               else tp1
-
-            if (!denot.isType) { // Only terms might have leaky aliases, see the documentation of `checkNoPrivateLeaks`
-              val sym = denot.symbol
-              denot.info = ctx.typeAssigner.avoidPrivateLeaks(sym, sym.pos)
-            }
-
             if (denot.isConstructor) addConstructorTypeParams(denot)
             if (atEnd) {
               assert(!denot.isSuperAccessor, denot)