[ICE]: Duplicate naming in catch causes an error.

[Subway2023]

contract C {
    function f() public returns (uint, uint) {
        try this.f() {

        } catch Error(string memory x) {
            x;

        } catch (bytes memory x) {
            x;
        }
    }
}

solar --version: 0.1.1
solc can compile successfully, but solar throws an error.

error: identifier `x` already declared
 --> getSeed/seed/two_catch_clauses.sol:5:37
  |
5 |         } catch Error(string memory x) {
  |                                     - note: previous declaration declared here
6 |             x;
7 |
8 |         } catch (bytes memory x) {
  |                               ^
  |

error: aborting due to 1 previous error