| // run-pass | |
| #![allow(dead_code)] | |
| #![feature(rustc_private)] | |
| extern crate rustc_serialize; | |
| use rustc_serialize::{json, Decodable}; | |
| trait JD : Decodable {} | |
| fn exec<T: JD>() { | |
| let doc = json::from_str("").unwrap(); | |
| let mut decoder = json::Decoder::new(doc); | |
| let _v: T = Decodable::decode(&mut decoder).unwrap(); | |
| panic!() | |
| } | |
| pub fn main() {} |