solidity/test/libsolidity/syntaxTests/inheritance/override/nonintermediate_common_base_and_unique_implementation_modifier.sol

contract I {
	modifier f() { _; }
}
contract J {
	modifier f() { _; }
}
contract IJ is I, J {
	modifier f() virtual override (I, J) { _; }
}
contract A is IJ
{
	modifier f() override { _; }
}
contract B is IJ
{
}
contract C is A, B {}