chore: Update docs/private submodule (Phase 41-3 design)

Phase 41-3 complete: JoinIR extension design for nested if
- NestedIfMerge JoinInst variant
- Stack-based PHI generation algorithm
- Implementation roadmap (41-3a/3b/4)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
nyash-codex
2025-11-28 12:23:54 +09:00
parent f97e6ad6af
commit 1b9589e9a3