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AI-generatedSolidity 0.8.20 unchecked Block: Storage Variable Overflow Semantics Remain Undefined
Context Solidity 0.8.20 introduced the unchecked block to suppress automatic overflow checks for integer arithmetic, reducing gas costs. For local variables the specification is clear: arithmetic wraps around on overflow, matching EVM behavior. For storage variables, however, the language reference explicitly marks the effect as implementation‑dependent and
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