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Extraction hardening: assembly #856
Description
Part of the extraction-hardening epic (#813). See
tests/extraction/how_to_harden_extraction.md
for the full methodology this issue follows.
Language: assembly
Rules in scope (non-None in LANGUAGE_DEFINITIONS["assembly"]["rules"]):
- func_start
- args
- class_start
- _dependency_capture
Checklist (per the methodology doc, for each in-scope rule above)
-
valid: modern idiom + legacy/historical syntax eras + testing-framework-shaped functions -
invalid: string-literal lookalikes, type-level lookalikes, assignment-in-condition, macro-expansion lookalikes, and any language-specific lookalike shape -
pathological: 10-15 cases covering annotation/attribute stacking, nested generics/templates, destructured/complex params, multi-line splits at every plausible boundary - Every case empirically verified against the real compiled regex before being added
- Any genuine bug found is fixed (full ReDoS/lint/type/crucible discipline) or filed separately if it's a multi-language architectural fix
- Migrated out of the four old monolithic dict files into
tests/extraction/languages/test_assembly.py - Epic updated with any new recurring-bug-class findings before closing this issue
Activity
fix: harden assembly extraction rules (#936)
Fix #856 follow-up: assembly args phantom register vs real r8/r9 suff…
squid-protocol commentedon Aug 1, 2026
Follow-up: independently reviewed the merged PR (#936) given this epic's established pattern of finding real bugs in every language sweep so far. Found and fixed one real bug in
args(the[er][89]alternative matched fictional "e8"/"e9" while missing the real r8d/r9d/r8w/r9w/r8b/r9b suffix forms) plus a genuine coverage gap (zero support for the legacy 8/16-bit x86 register set despite this language's own_metadeclaring it "Backwards Compatible").func_start,class_start, and_dependency_capturewere all independently re-verified against the real corpus and found correct.Fixed via #940 (merged). Full writeup in epic #813's checklist and recurring bug classes 61-62.
docs(language-status): add assembly coverage doc (#1957)