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Deliverable
Execution and GC prototype
Delivered execution-plan milestones for HIR typing and runtime phases, a trait-based CLIF lowering roadmap, gc-arena crate integration with derive macro and JIT allocation hooks, Phase 5 allocator/GC scaffolding, CI with staged AOT smoke tests, and research notes on simple vs parallel GC plus deferred fiber/channel concurrency models. ## Provenance - **Repository:** `pekan` - **Commit:** [`9bbf2f4`](https://github.com/Cyber-Nomad-Collective/pekan/commit/9bbf2f4) - **Subject:** Mark Phase 5 complete with runtime allocator, GC scaffolding, interop builtins, and diagnostic improvements - **Closed:** 2026-02-25 ## Catalog scope - **Delivery version:** v0.0 (Pecan prototype) - **Deliverable:** `v00-execution-jit-gc` ## Relation Groups v0.0 seed tasks for **Execution and GC prototype** (see `data/v0.0/article.md`).
v0.0 · v00-execution-jit-gc
Tasks in scope
- Close execution plan phases 1–2 (HIR + typing)Donehigh
- Trait-based CLIF lowering architecture roadmapDonehigh
- Document gc-arena runtime GC scaffoldingDonehigh
- Integrate gc-arena crate with derive macro and JIT alloc hooksDonehigh
- Research simple GC baseline before parallel collector pathDonehigh
- Complete execution plan phase 5 (allocator + GC hooks + interop builtins)Donehigh
- Research: fiber/channel runtime models for later execution bandsDonemedium
- CI workflow with staged AOT pipeline and interop tooling splitDonehigh