rust/tests/fail/concurrency/thread_local_static_dealloc.rs
2022-07-11 11:48:56 +00:00

19 lines
488 B
Rust

//@ignore-windows: Concurrency on Windows is not supported yet.
//! Ensure that thread-local statics get deallocated when the thread dies.
#![feature(thread_local)]
#[thread_local]
static mut TLS: u8 = 0;
struct SendRaw(*const u8);
unsafe impl Send for SendRaw {}
fn main() {
unsafe {
let dangling_ptr = std::thread::spawn(|| SendRaw(&TLS as *const u8)).join().unwrap();
let _val = *dangling_ptr.0; //~ ERROR: dereferenced after this allocation got freed
}
}