See test tests/init-global/warn/return2.scala

Otherwise, the following program causes weird address not found error:

    import scala.collection.immutable.HashSet

    object A:
      val a = HashSet(1, 2, 3)

The error looks like the following:

    -- Warning: out/bootstrap/scala2-library-bootstrapped/scala-3.6.0-RC1-bin-SNAPSHOT-nonbootstrapped/src_managed/main/scala-library-src/scala/collection/immutable/ChampCommon.scala:155:24
    155 |    currentStackLevel = currentStackLevel - 1
        |                        ^^^^^^^^^^^^^^^^^
        |[Internal error] Address not found FieldAddr(List(),val currentStackLevel,module class A$). Trace:
        |Calling trace:
        |├── object A:	[ HashSet.scala:3 ]
        |│   ^
        |├── val a = HashSet(1, 2, 3)	[ HashSet.scala:4 ]
        |│           ^^^^^^^^^^^^^^^^
        |├── def apply[A](elems: A*): CC[A] = from(elems)	[ Factory.scala:103 ]
        |│                                    ^^^^^^^^^^^
        |├── def from[A](source: collection.IterableOnce[A]): HashSet[A] =	[ HashSet.scala:1939 ]
        |│   ^
        |├── case _ => (newBuilder[A] ++= source).result()	[ HashSet.scala:1943 ]
        |│              ^^^^^^^^^^^^^^^^^^^^^^^^
        |├── @inline final def ++= (@deprecatedName("xs") elems: IterableOnce[A]): this.type = addAll(elems)	[ Growable.scala:69 ]
        |│                                                                                     ^^^^^^^^^^^^^
        |├── override def addAll(xs: IterableOnce[A]) = {	[ HashSet.scala:2079 ]
        |│   ^
        |├── }	[ HashSet.scala:2096 ]
        |│    ^
        |├── new ChampBaseIterator[A, SetNode[A]](hm.rootNode) {	[ HashSet.scala:2083 ]
        |│   ^
        |├── while(hasNext) {	[ HashSet.scala:2084 ]
        |│         ^^^^^^^
        |├── final def hasNext = (currentValueCursor < currentValueLength) || searchNextValueNode()	[ ChampCommon.scala:185 ]
        |│                                                                    ^^^^^^^^^^^^^^^^^^^^^
        |├── private final def searchNextValueNode(): Boolean = {	[ ChampCommon.scala:162 ]
        |│   ^
        |├── popNode()	[ ChampCommon.scala:178 ]
        |│   ^^^^^^^^^
        |├── private final def popNode(): Unit = {	[ ChampCommon.scala:154 ]
        |│   ^
        |└── currentStackLevel = currentStackLevel - 1	[ ChampCommon.scala:155 ]
        |                        ^^^^^^^^^^^^^^^^^

Otherwise, the test tests/init-global/pos/lazy-local-val2.scala would stackoverflow