35 lines
947 B
Markdown
35 lines
947 B
Markdown
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# Phase 278 P0: Deprecated PHI env vars removal — completion
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Status: ✅ completed (2025-12-22)
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Goal:
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- Remove legacy PHI debug environment variables (previously consolidated in Phase 277 P2).
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- Enforce a single SSOT set of PHI debug knobs (fail-fast on deprecated inputs).
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SSOT (kept):
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- `NYASH_LLVM_DEBUG_PHI=1`
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- `NYASH_LLVM_DEBUG_PHI_TRACE=1`
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- `NYASH_LLVM_PHI_STRICT=1`
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Removed inputs (deprecated variables):
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- `NYASH_LLVM_PHI_DEBUG`
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- `NYASH_PHI_TYPE_DEBUG`
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- `NYASH_PHI_ORDERING_DEBUG`
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- `NYASH_LLVM_TRACE_PHI`
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- `NYASH_LLVM_VMAP_TRACE`
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Behavior:
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- If any removed variable is set, the harness errors with a replacement hint and exits non-zero.
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- No new environment variables introduced.
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Docs:
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- `docs/reference/environment-variables.md` updated with:
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- removed variable list
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- migration table (old → new)
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- example error message
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Tests:
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- Added a dedicated smoke verifying:
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- deprecated vars fail
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- SSOT vars still work
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