Intermittent StackOverflow in Typer when running `community_build_c` and `community_build_b`

[github-actions]

See https://github.com/scala/scala3/actions/runs/16559345136

[Gedochao]

StackOverflowError in community_build_c
Full stacktrace too long to repost.
I restarted the build, but maybe someone has an idea.
cc @hamzaremmal @WojciechMazur

Error:  java.lang.StackOverflowError
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.makeAccessible(Typers.scala:557)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedIdent$2(Typers.scala:5316)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedIdentOrWildcard$1(Typers.scala:5337)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5770)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.adaptMember(Erasure.scala:734)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.adaptMember(Erasure.scala:734)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.$anonfun$typed1$39(Typers.scala:4918)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.silent(Typers.scala:713)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4920)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4950)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5772)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.$anonfun$typedArg$1(Typers.scala:3374)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArg(Typers.scala:491)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgWithFormal$1(PatternTypers.scala:121)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.$anonfun$typedArgsForFormals$4(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals$(PatternTypers.scala:116)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArgsForFormals(Typers.scala:202)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.handleMonomorphicCall$1(Typers.scala:3716)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:3749)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4939)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4950)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5772)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.$anonfun$typedArg$1(Typers.scala:3374)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArg(Typers.scala:491)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgWithFormal$1(PatternTypers.scala:121)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.$anonfun$typedArgsForFormals$4(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals$(PatternTypers.scala:116)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArgsForFormals(Typers.scala:202)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.handleMonomorphicCall$1(Typers.scala:3716)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:3749)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4939)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4950)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5772)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.$anonfun$typedArg$1(Typers.scala:3374)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArg(Typers.scala:491)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgWithFormal$1(PatternTypers.scala:121)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.$anonfun$typedArgsForFormals$4(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals$(PatternTypers.scala:116)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArgsForFormals(Typers.scala:202)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.handleMonomorphicCall$1(Typers.scala:3716)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:3749)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4939)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4950)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5772)
Error:  	at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:813)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5817)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.$anonfun$typedArg$1(Typers.scala:3374)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArg(Typers.scala:491)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgWithFormal$1(PatternTypers.scala:121)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.$anonfun$typedArgsForFormals$4(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals(PatternTypers.scala:135)
Error:  	at scala.tools.nsc.typechecker.PatternTypers$PatternTyper.typedArgsForFormals$(PatternTypers.scala:116)
Error:  	at scala.tools.nsc.typechecker.Typers$Typer.typedArgsForFormals(Typers.scala:202)
...

[Gedochao]

Passed after restarting

[WojciechMazur]

Also scala.tools.nsc is a Scala 2 specific package. The issue arise when starting the sbt which needs to compile it's sources using Scala 2.12

[Gedochao]

#23622 is likely a duplicate.