Flight Log / microsoft/vscode #256612

Fix crash when problemMatcher has empty pattern array — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in microsoft/vscode on Jul 18, 2025; merged clean in 4.8 d, merged by @anthonykim1: +18 −2, 3 files, 7 reviews.

All agent flights in microsoft/vscode · GitHub Copilot flights

Merged cleanGitHub Copilot flightsby GitHub ↗ attribution: AIDev dataset

Flown by @CopilotGitHub ↗— unclaimed

Lines
+18 −2
Files
3
Commits
3
Reviews
7
To merge
4.8 d
Task
fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

Copilot submits a fix in microsoft/vscode for a crash that occurs when a problemMatcher contains an empty pattern array. The change touches three files across three commits, with 18 additions and two deletions. Seven reviews were logged and four review comments, with no change requests. It merged clean after 116.22 hours.

From the pull request description

## Problem When a task configuration contains a `problemMatcher` with an empty `pattern: []` array, VS Code crashes with the error: ``` Cannot read properties of undefined (reading 'kind') ``` This occurs when users define tasks like: ```json { "problemMatcher": [ { "applyTo": "allDo…

Excerpt (first 300 characters) — the full description is on GitHub.

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Flight timeline

  1. —committedcopilot-swe-agent[bot]
  2. —committedcopilot-swe-agent[bot]
  3. —reviewed
  4. —reviewed
  5. —committedcopilot-swe-agent[bot]
  6. —reviewed
  7. —reviewed
  8. —reviewed
  9. Jul 18, 2025labeledanthonykim1
  10. Jul 22, 2025mergedanthonykim1

Cite this flight: AgentRiders Flight Log, microsoft/vscode#256612, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/vscode/256612/

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