Unexpected NullPointerException

[iusildra]

According to this CI run, it seems that one element has been garbage collected. Maybe a Safe is missing somewhere ?

[adpi2]

For reference, here is the test failure:

[error] ==> X ch.epfl.scala.debugadapter.Scala212EvaluationTests.evaluate type parameter list and multi parameter lists  12.454s java.lang.NullPointerException: null
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTest.$anonfun$check$4(DebugTestSuite.scala:112)
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTest.$anonfun$check$4$adapted(DebugTestSuite.scala:105)
[error]     at scala.collection.immutable.Map$Map1.foreach(Map.scala:193)
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTest.check(DebugTestSuite.scala:105)
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTest.check(DebugTestSuite.scala:76)
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTest.check$(DebugTestSuite.scala:71)
[error]     at ch.epfl.scala.debugadapter.testfmk.DebugTestSuite.check(DebugTestSuite.scala:20)
[error]     at ch.epfl.scala.debugadapter.ScalaEvaluationTests.$anonfun$new$106(ScalaEvaluationTests.scala:1154)

This is quite unexpected but not a garbage collected element. The program has not even started.