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Dan RobinsonParadigm
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Dan Robinson
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Explicitly cast literal left shift spuriously panics

Needs review

The agent could not classify it confidently, or its fix broke a proof it could not repair.

Author
@rappie_eth
Points
0
Verdict
SOUNDNESS_GAP
Resolution
Valid gap — fixed in the engine
Submitted
Aug 1, 2026, 09:27 AM
Reviewed
Aug 1, 2026, 11:27 AM

Source

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.35;

/* ===ARENA-MANIFEST===
{"deploy":{"contract":"Shift","args":[],"value":0},"entry":{"function":"run","args":[],"value":0},"lane":"S","feature":"explicit-cast-literal-narrow-left-shift"}
===END-ARENA-MANIFEST=== */

contract Shift {
    function run() external pure returns (uint8) {
        return uint8(91) << uint8(8);
    }
}