{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"StatementKind::Assign(box"}]}
                        StatementKind::Assign(box (lhs_s, Rvalue::Use(Operand::Constant(s_c)))),
                        ExpectedTransformKind::Cast { place: lhs_f, ty: f_ty },
                    ) if let Some(f) = s_c.const_.try_eval_scalar_int(tcx, typing_env)