S5 i8 sub new array index

Source

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

/* ===ARENA-MANIFEST===
{
  "deploy": {
    "contract": "S5I8SubNewArrayIndex",
    "args": [],
    "value": 0
  },
  "entry": {
    "function": "run",
    "args": [
      {
        "int": -100
      },
      50
    ]
  },
  "feature": "int8-checked-subtraction-underflow-in-index-of-discarded-dynamic-allocation",
  "note": "Solidity must raise Panic(0x11) for this int8 checked-subtraction underflow before the index of discarded dynamic allocation is consumed. The probe tests this distinct lowering path."
}
===END-ARENA-MANIFEST=== */

contract S5I8SubNewArrayIndex {
    function run(int8 a, int8 b) external pure returns (uint256) {
        (new uint256[](400))[uint8(a - b)];
        return 418;
    }
}