rust/tests/ui/lto/lto-still-runs-thread-dtors.rs
2023-01-11 09:32:08 +00:00

35 lines
597 B
Rust

// run-pass
// compile-flags: -C lto
// no-prefer-dynamic
// ignore-emscripten no threads support
// revisions: mir thir
// [thir]compile-flags: -Zthir-unsafeck
use std::thread;
static mut HIT: usize = 0;
thread_local!(static A: Foo = Foo);
struct Foo;
impl Drop for Foo {
fn drop(&mut self) {
unsafe {
HIT += 1;
}
}
}
fn main() {
unsafe {
assert_eq!(HIT, 0);
thread::spawn(|| {
assert_eq!(HIT, 0);
A.with(|_| ());
assert_eq!(HIT, 0);
}).join().unwrap();
assert_eq!(HIT, 1);
}
}