Immediate tracked parameter access crashes under -Ycheck:all

[KacperFKorban]

Compiler version

a56c622

Minimized code

//> using scala 3.nightly
//> using options -Ycheck:all

import scala.language.experimental.modularity
 
class C(tracked val x: Int)

object Test:
  val n = 1
  val nFromC = C(n).x

Output

checking wiadro/tracked-param-access.scala after phase typer
checking wiadro/tracked-param-access.scala after phase inlinedPositions
checking wiadro/tracked-param-access.scala after phase posttyper
checking wiadro/tracked-param-access.scala after phase unrollDefs
checking wiadro/tracked-param-access.scala after phase pickler
checking wiadro/tracked-param-access.scala after phase inlining
checking wiadro/tracked-param-access.scala after phase postInlining
checking wiadro/tracked-param-access.scala after phase staging
checking wiadro/tracked-param-access.scala after phase splicing
checking wiadro/tracked-param-access.scala after phase pickleQuotes
checking wiadro/tracked-param-access.scala after phase MegaPhase{crossVersionChecks, firstTransform, checkReentrant, elimPackagePrefixes, cookComments, checkLoopingImplicits, betaReduce, inlineVals, expandSAMs, elimRepeated, refchecks}
*** error while checking wiadro/tracked-param-access.scala after phase MegaPhase{crossVersionChecks, firstTransform, checkReentrant, elimPackagePrefixes, cookComments, checkLoopingImplicits, betaReduce, inlineVals, expandSAMs, elimRepeated, refchecks} ***

  unhandled exception while running Ycheck on wiadro/tracked-param-access.scala

  An unhandled exception was thrown in the compiler.
  Please file a crash report here:
  https://github.com/scala/scala3/issues/new/choose
  For non-enriched exceptions, compile with -Xno-enrich-error-messages.


     while compiling: wiadro/tracked-param-access.scala
        during phase: Ycheck
                mode: Mode(ImplicitsEnabled)
     library version: version 2.13.16
    compiler version: version 3.7.0-RC1-bin-20250204-d75ca7f-NIGHTLY-git-d75ca7f
            settings: -Ycheck List(all) -classpath .cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala3-library_3/3.7.0-RC1-bin-20250204-d75ca7f-NIGHTLY/scala3-library_3-3.7.0-RC1-bin-20250204-d75ca7f-NIGHTLY.jar:.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.16/scala-library-2.13.16.jar -d wiadro/.scala-build/wiadro_ef31ba4fc4-e1502f11ac/classes/main -sourceroot wiadro

Exception in thread "main" java.lang.AssertionError: assertion failed: non member selection of value n in object Test from C{val x: (Test.n : Int)} in new C(Test.n).n
	at scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:8)
	at dotty.tools.dotc.transform.FirstTransform.checkPostCondition(FirstTransform.scala:67)
	at dotty.tools.dotc.transform.TreeChecker$.dotty$tools$dotc$transform$TreeChecker$Checker$$_$typedUnadapted$$anonfun$1(TreeChecker.scala:439)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
	at scala.collection.immutable.List.foreach(List.scala:334)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedUnadapted(TreeChecker.scala:439)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3695)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typed(TreeChecker.scala:416)
	at dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:3806)
	at dotty.tools.dotc.typer.Typer.typedValDef(Typer.scala:2860)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedValDef(TreeChecker.scala:622)
	at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:3507)
	at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:3612)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedUnadapted(TreeChecker.scala:434)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3695)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typed(TreeChecker.scala:416)
	at dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:3717)
	at dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:3763)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedStats(TreeChecker.scala:691)
	at dotty.tools.dotc.typer.Typer.typedClassDef(Typer.scala:3192)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedClassDef(TreeChecker.scala:618)
	at dotty.tools.dotc.typer.Typer.typedTypeOrClassDef$1(Typer.scala:3516)
	at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:3520)
	at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:3612)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedUnadapted(TreeChecker.scala:434)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3695)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typed(TreeChecker.scala:416)
	at dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:3717)
	at dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:3763)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedStats(TreeChecker.scala:691)
	at dotty.tools.dotc.typer.Typer.typedPackageDef(Typer.scala:3325)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedPackageDef(TreeChecker.scala:717)
	at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:3562)
	at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:3613)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typedUnadapted(TreeChecker.scala:434)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3690)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3695)
	at dotty.tools.dotc.transform.TreeChecker$Checker.typed(TreeChecker.scala:416)
	at dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:3806)
	at dotty.tools.dotc.transform.TreeChecker.check(TreeChecker.scala:131)
	at dotty.tools.dotc.transform.TreeChecker.run(TreeChecker.scala:111)
	at dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:383)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
	at scala.collection.immutable.List.foreach(List.scala:334)
	at dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:376)
	at dotty.tools.dotc.Run.runPhases$1$$anonfun$1(Run.scala:345)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
	at scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
	at scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1324)
	at dotty.tools.dotc.Run.runPhases$1(Run.scala:338)
	at dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:385)
	at dotty.tools.dotc.Run.compileUnits$$anonfun$adapted$1(Run.scala:397)
	at dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:69)
	at dotty.tools.dotc.Run.compileUnits(Run.scala:397)
	at dotty.tools.dotc.Run.compileSources(Run.scala:284)
	at dotty.tools.dotc.Run.compile(Run.scala:269)
	at dotty.tools.dotc.Driver.doCompile(Driver.scala:37)
	at dotty.tools.dotc.Driver.process(Driver.scala:201)
	at dotty.tools.dotc.Driver.process(Driver.scala:169)
	at dotty.tools.dotc.Driver.process(Driver.scala:181)
	at dotty.tools.dotc.Driver.main(Driver.scala:211)
	at dotty.tools.dotc.Main.main(Main.scala)

Expectation

Successful compilation