diff options
Diffstat (limited to 'tests/ui/lto/lto-still-runs-thread-dtors.rs')
-rw-r--r-- | tests/ui/lto/lto-still-runs-thread-dtors.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/lto/lto-still-runs-thread-dtors.rs b/tests/ui/lto/lto-still-runs-thread-dtors.rs new file mode 100644 index 000000000..1c7368b36 --- /dev/null +++ b/tests/ui/lto/lto-still-runs-thread-dtors.rs @@ -0,0 +1,34 @@ +// 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); + } +} |