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Tailcalls is more selective when reporting self-recursion #10723

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Tailcalls is more selective when reporting self-recursion #10723

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som-snytt
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Now that Seth has had a taste of Warsaw, he won't want to review old Scala 2 PRs any more.

Fixes scala/bug#4649

@scala-jenkins scala-jenkins added this to the 2.13.15 milestone Mar 22, 2024
@som-snytt som-snytt marked this pull request as draft March 22, 2024 21:30
@som-snytt som-snytt force-pushed the issue/4649-tailrec-byname branch 2 times, most recently from ece451c to 5ecfa88 Compare March 23, 2024 18:58
@som-snytt som-snytt marked this pull request as ready for review March 23, 2024 20:05
@som-snytt som-snytt force-pushed the issue/4649-tailrec-byname branch from 5ecfa88 to a914532 Compare March 26, 2024 02:47
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Instead of a -W, how about @notailrec to indicate "I did not intend this expression as a tail call and I know what I'm doing."

Sentiment on the dotty ticket is against diluting @tailrec.

@som-snytt som-snytt marked this pull request as draft March 28, 2024 00:35
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I'll rework this to align with Dotty.

@SethTisue SethTisue modified the milestones: 2.13.15, 2.13.16 Aug 14, 2024
@som-snytt som-snytt closed this Sep 11, 2024
@SethTisue SethTisue mentioned this pull request Nov 5, 2024
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@som-snytt som-snytt reopened this Nov 9, 2024
@SethTisue SethTisue modified the milestones: 2.13.16, 2.13.17 Dec 12, 2024
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Successfully merging this pull request may close these issues.

Possible regression in 2.9: @tailrec annotated method rejected by scalac
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