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+## Summary
+
+<!-- What does this PR change, and why? -->
+
+## Changes
+
+-
+
+## Testing
+
+- [ ] `npm run typecheck` passes
+- [ ] `npm test` passes
+- [ ] Added/updated tests for the change
+
+## Compiler determinism
+
+- [ ] No change to the compiler's deterministic clone semantics, **or** the change
+      is intentional and validated against the benchmarks (`npm run bench`) with
+      results noted above.
+
+## Notes
+
+<!-- Anything reviewers should know: trade-offs, follow-ups, screenshots. -->