Function LLVMBuildLandingPad 

pub(crate) unsafe extern "C" fn LLVMBuildLandingPad<'ll>(
    B: &Builder<'ll>,
    Ty: Type<'ll>,
    PersFn: Option<Value<'ll>>,
    NumClauses: c_uint,
    Name: *const c_char,
) -> Value<'ll>