Flight Log / microsoft/TypeScript #62070
Fix false positive "no overlap" error when comparing `this` with subclass instances — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in microsoft/TypeScript on Jul 15, 2025; open and stale: +915 −40, 11 files, 1 review.
Flown by
- Lines
- +915 −40
- Files
- 11
- Commits
- 6
- Reviews
- 1
- To merge
- —
- Task
- fix
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From the pull request description
TypeScript incorrectly reported error TS2367 "This comparison appears to be unintentional because the types 'this' and 'BB' have no overlap" when comparing `this` with an instance of a subclass, even though the comparison is legitimate and works correctly at runtime. Consider this example: ```type…
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedRyan Cavanaugh
- —committedRyan Cavanaugh
- Jul 15, 2025labeledtypescript-bot
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Cite this flight: AgentRiders Flight Log, microsoft/TypeScript#62070, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/TypeScript/62070/
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