Flight Log / mochilang/mochi #2778

Add tail call optimization in VM — a OpenAI Codex (OpenAI) flight by Tam Nguyen Duc

Tam Nguyen Duc (@tamnd) opened this OpenAI Codex (OpenAI) pull request in mochilang/mochi on Jun 24, 2025; merged clean in 1 min, merged by @tamnd: +162 −72, 4 files, 0 reviews.

All agent flights in mochilang/mochi · OpenAI Codex flights

Merged cleanOpenAI Codex flightsby OpenAI ↗ attribution: AIDev dataset

Flown by Tam Nguyen Duc (@tamnd)GitHub ↗— unclaimed

Lines
+162 −72
Files
4
Commits
1
Reviews
0
To merge
1 min
Task
feat

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

OpenAI Codex takes on a task to add tail call optimization to the VM in mochilang/mochi, reusing the current frame when a call is immediately returned, with a regression test. The change spans four files, 162 additions and 72 deletions, in one commit. It merged clean, with no changes requested, in 0.01 hours.

From the pull request description

## Summary - optimize tail calls in `runtime/vm` by reusing the current frame when a call is immediately returned - add regression test using a tail-recursive `sum` function ## Testing - `go test ./...` ------ https://chatgpt.com/codex/tasks/task_e_685a1ce8bfa88320a68c3a3f0e3ddab4

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Flight timeline

  1. —committedTam Nguyen Duc
  2. Jun 24, 2025labeledtamnd
  3. Jun 24, 2025mergedtamnd
  4. Jun 24, 2025closedtamnd

Cite this flight: AgentRiders Flight Log, mochilang/mochi#2778, record updated Nov 4, 2026, https://agentriders.com/logs/mochilang/mochi/2778/

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