Modifying slot causes compilation crash.

[Subway2023]

Version: v0.3.3: Atlantis

contract C {
    struct S { bool f; }
    S s;
    function f(uint256 a) internal returns (S storage c) {
        assembly {
            switch a
                default { c.slot := s.slot }
        }
    }
}

solang compile --target solana  test.sol

solang: llvm/include/llvm/IR/Instructions.h:2765: void llvm::PHINode::setIncomingValue(unsigned int, llvm::Value*): Assertion `getType() == V->getType() && "All operands to PHI node must be the same type as the PHI node!"' failed.
Aborted (core dumped)