Closed: superseded#586

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symex-hardening-and-irgen-fixes

Commits on Apr 29, 2026

Byte-granular symbolic shadow: fix width-mismatch reads

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Shadow read/write: eliminate range/any/list allocation hot-path costs

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Shadow read: sentinel-based detection eliminates dict lookups on concrete fast path

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Add Path.write_symbolic(addr, value, size=None) public API

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claude
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Stop swallowing user handler exceptions in engine.py

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Two fixes: GLOBAL_PTR/TLS to_string names + sentinel false-positive

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Commits on May 1, 2026

Symex hardening: z3 simplify pipeline, IRGen parent_function, NULL guards

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