| // run-pass |
| #![allow(unused_unsafe)] |
| |
| #![feature(generators)] |
| |
| fn main() { |
| unsafe { |
| static move || { //~ WARN unused generator that must be used |
| // Tests that the generator transformation finds out that `a` is not live |
| // during the yield expression. Type checking will also compute liveness |
| // and it should also find out that `a` is not live. |
| // The compiler will panic if the generator transformation finds that |
| // `a` is live and type checking finds it dead. |
| let a = { |
| yield (); |
| 4i32 |
| }; |
| let _ = &a; |
| }; |
| } |
| } |
