{"ast_node_type":"other","tokens":[{"end":19,"kind":"keyword","start":0,"text":"#[track_caller]"}]}
    #[track_caller]
    /// Load a value pair with layout.backend_repr of scalar pair
    pub(crate) fn load_scalar_pair(self, fx: &mut FunctionCx<'_, '_, 'tcx>) -> (Value, Value) {