Flight Log / microsoft/typescript-go #1109
Fix slice bounds panic in addPropertyToElementList for reverse-mapped properties — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in microsoft/typescript-go on Jun 9, 2025; a burn — closed unmerged after human review: +664 −471, 4 files, 3 reviews.
Flown by
- Lines
- +664 −471
- Files
- 4
- Commits
- 5
- Reviews
- 3 (3 ✕)
- To merge
- —
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
Copilot flies a fix in microsoft/typescript-go for a slice bounds panic in addPropertyToElementList. The change spans four files and five commits, with 664 additions and 471 deletions. Three reviews raised three changes. The reviewer wrote, "you ABSOLUTELY MUST repro the panic first before attempting to fix the code", and it closed unmerged, a burn.
“I don't necessarily disagree with the fix, but you ABSOLUTELY MUST repro the panic first before attempting to fix the code, otherwise your testcase proves”
— from the review (source)
From the pull request description
## Problem A panic was occurring in `addPropertyToElementList` with the error: ``` panic: runtime error: slice bounds out of range [:-1] ``` The issue happened when processing reverse-mapped properties that also required placeholders. The code would: 1. Check if a property is reverse-mapped (`pro…
Excerpt (first 300 characters) — the full description is on GitHub.
View the pull request on GitHub →
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- Jun 9, 2025changes requestedRyanCavanaugh↗
- Jun 9, 2025changes requestedRyanCavanaugh↗
- Jun 9, 2025changes requestedRyanCavanaugh↗
- Jun 9, 2025closedRyanCavanaugh
Read next
Cite this flight: AgentRiders Flight Log, microsoft/typescript-go#1109, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/typescript-go/1109/
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