{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
                    let a_val = self.load(integer_ty, a, layout.align().abi);
                    let integer_ty = self.type_ix(layout.size().bits());
                    let b_val = self.load(integer_ty, b, layout.align().abi);