java.lang.AssertionError: assertion failed: TS[753540, 753539, 753538] attempted to take ownership of B which is already owned by committable TS[808807, 753540, 753539, 753538] #20768
Comments
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Also, for what it's worth, the error happened when in the diff from the |
Gedochao
added
itype:bug
area:typer
itype:crash
stat:needs minimization
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We'll need to minimise this. @rleibman can you help? |
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Yeah, I know, unfortunately I don't have a lot of time to reproduce a minimal version, at least I know that it happens on that specific branch, so there's only a few files that are affected. I believe it's in one of the scala.js files, for what it's worth. I'm sorry if I can't be more specific and don't have much time to spend on it. I removed most of those changes from my |
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@Gedochao I'm seeing the same problem (with different integer values in the assertion failure). I've managed to minimize the reproduction down to what I think is small enough to think about debugging the failure. Given there are already several duplicates of this issue, may I simply leave steps to reproduce in this ticket, as it seems to be the first one? I'll add a following comment... |
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**Reproduction: ** The repository: https://github.com/sageserpent-open/kineticMerge at commit: af774510ad44a859bd28ca6b7a6549677fea9507 (branch: Scala build uses 3.3.4. Code follows inline:
import scala.language.postfixOps
lazy val javaVersion = "17"
ThisBuild / scalaVersion := "3.3.4"
ThisBuild / javacOptions ++= Seq("-source", javaVersion, "-target", javaVersion)
ThisBuild / scalacOptions += s"-java-output-version:$javaVersion"
lazy val root = (project in file("."))
.settings(
scalacOptions ++= List("-source:future"),
name := "kinetic-merge",
libraryDependencies += "org.typelevel" %% "cats-core" % "2.12.0"
)
package com.sageserpent.kineticmerge.core
import cats.Eval
import cats.data.StateT
case class Bystander():
end Bystander
object Bystander:
type PartialResultsCache = Unit
type EvalWithPartialResultState[X] = StateT[Eval, PartialResultsCache, X]
def of(
index: Int
): EvalWithPartialResultState[Bystander] =
StateT.get.flatMap { partialResultsCache =>
_of(index)
.flatMap(computedResult =>
StateT
.set(???)
// This last call to `>>` with the rhs operand triggers the assertion
// failure. Commenting it out yields an expected compilation error...
>> StateT.pure(
computedResult
)
)
}
end of
def _of(
index: Int
): EvalWithPartialResultState[Bystander] = ???
end Bystander
Error message from SBT: Stack trace when building via IntelliJ: |
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I should add that changing the offending For that matter, remembering to put in |
Reproduction steps
Scala version: I'm able to reproduce it in both 3.4.2 and 3.5.0-RC1 (I was running with 3.5.0-RC1, but went back to 3.4.2 to see if it still happened there.
It's a very complicated application, and everything was going fine, on my latest changes, I started getting this error.
To reproduce:
clone https://github.com/rleibman/dmscreen/tree/scalaError
cd to the stLib directory and
sbt publishLocalcd back to the root directory and
sbt compileProblem
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