Function LLVMRustDILocationCloneWithBaseDiscriminator 

pub(crate) unsafe extern "C" fn LLVMRustDILocationCloneWithBaseDiscriminator<'a>(
    Location: &'a Metadata,
    BD: c_uint,
) -> Option<&'a Metadata>

As of LLVM 22 there is no corresponding LLVM-C function.