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contracts...destroy.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

contract Caller {
    uint256 flag = 0;

    event InsideBeforeDelegate();
    event InsideAfterDelegate();
    event OutsideAfterAllWtf();

    function foo() external returns (uint256) {
        flag++;
        emit InsideBeforeDelegate();

        address target = address(new Logic());
        (bool res, ) = target.delegatecall(abi.encodeWithSelector(Logic.bar.selector));
        require(res, "FAIL_DELEGATE");

        flag++;
        emit InsideAfterDelegate();
        this.lolz();
        return flag;
    }

    function lolz() external {
        require(msg.sender == address(this), "a la shaggy");
        flag++;
        emit OutsideAfterAllWtf();
    }
}

contract Logic {
    uint256 flag;

    event InsideBeforeDestruct();
    event InsideAfterDestruct();

    function bar() external {
        flag++;
        emit InsideBeforeDestruct();
        selfdestruct(payable(address(0)));
        flag++;
        emit InsideAfterDestruct();
    }
}