| // rust-lang/rust#47215: at one time, the compiler categorized |
| // thread-local statics as a temporary rvalue, as a way to enforce |
| // that they are only valid for a given lifetime. |
| // |
| // The problem with this is that you cannot move out of static items, |
| // but you *can* move temporary rvalues. I.e., the categorization |
| // above only solves half of the problem presented by thread-local |
| // statics. |
| |
| #![feature(thread_local)] |
| |
| #[thread_local] |
| static mut X: ::std::sync::atomic::AtomicUsize = ::std::sync::atomic::AtomicUsize::new(0); |
| |
| fn main() { |
| unsafe { |
| let mut x = X; //~ ERROR cannot move out of thread-local static item [E0507] |
| let _y = x.get_mut(); |
| } |
| } |
