
`llvm::Type::getPointerTo()` is to be deprecated & removed soon. In `Lowerer::lowerCoroDone`, also remove the no-op bitcast (1st parameter of `llvm::coro::done` intrinsic is `ptr`).
`llvm::Type::getPointerTo()` is to be deprecated & removed soon. In `Lowerer::lowerCoroDone`, also remove the no-op bitcast (1st parameter of `llvm::coro::done` intrinsic is `ptr`).