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crash in lambdalift, perhaps interaction with extension method receiver stabilizer #11556
A port of twitter-util to 2.13.0-RCx crashes with
@lrytz suggests reporting even unminimized at https://contributors.scala-lang.org/t/experience-of-migrating-to-2-13-x/3367/7?u=martijnhoekstra.
The full stack trace is at https://gist.github.com/martijnhoekstra/4fe3bd2fbeefceb3b29ee1366aac5c89
You can reproduce with the following branch:
sbt project util-core/test on 2.13.0-RC3 will reproduce the issue. The offending file is util-core/src/test/scala/com/twitter/io/PipeTest.scala
The last commit in that branch (martijnhoekstra/util@5e2e4fb) undoes a workaround that prevents the issue, which could help debugging the issue.