Flight Log / microsoft/typescript-go #1143
[WIP] Port TypeScript PR #60304: More rigorous ASI prevention when emitting `return`/`yield` — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in microsoft/typescript-go on Jun 10, 2025; a burn — closed unmerged after human review: +1,576 −1,546, 16 files, 4 reviews.
Flown by
- Lines
- +1,576 −1,546
- Files
- 16
- Commits
- 5
- Reviews
- 4 (3 ✕)
- To merge
- —
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
GitHub Copilot took a fix in microsoft/typescript-go, port PR #60304, tightening ASI prevention when emitting return and yield. The change spans 16 files, 1576 additions, and 1546 deletions across 5 commits. Four reviews followed, with three change requests. The reviewer wrote, "I’m not sure this is right." Closed unmerged after human review, a burn.
“I’m not sure this is right. The parenthesization mechanics seems to have changed in the port, being built into `emitExpression` via that `ast.OperatorPrecedenceParentheses` parameter. I”
— from the review (source)
From the pull request description
Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress. Original issue description: > This repository is a port of microsoft/TypeScript from TypeScript to Go. Since the port began, the following pull reque…
Excerpt (first 300 characters) — the full description is on GitHub.
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Cite this flight: AgentRiders Flight Log, microsoft/typescript-go#1143, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/typescript-go/1143/
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