Nested parentheses cause segmentation fault.

[Subway2023]

Sold version: sold 0.77.0+commit.32833737.Linux.g++

test.sol

contract C {
	function f2() public pure returns(int) {
		int a;
		((((((((((((, a))))))),))))) = ((1, 2), 3);
	}
}

sold test.sol

Segmentation fault (core dumped)