Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs b/src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs
new file mode 100644
index 000000000..734b63324
--- /dev/null
+++ b/src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs
@@ -0,0 +1,49 @@
+// only-x86_64
+use std::sync::atomic::{AtomicIsize, Ordering};
+
+fn main() {
+    // `fetch_update` testing
+    let x = AtomicIsize::new(0);
+
+    // Allowed ordering combos
+    let _ = x.fetch_update(Ordering::Relaxed, Ordering::Relaxed, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Relaxed, Ordering::Acquire, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Relaxed, Ordering::SeqCst, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Acquire, Ordering::Relaxed, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Acquire, Ordering::Acquire, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Acquire, Ordering::SeqCst, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Release, Ordering::Relaxed, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Release, Ordering::Acquire, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::Release, Ordering::SeqCst, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::AcqRel, Ordering::Relaxed, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::AcqRel, Ordering::Acquire, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::AcqRel, Ordering::SeqCst, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::SeqCst, Ordering::Relaxed, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::SeqCst, Ordering::Acquire, |old| Some(old + 1));
+    let _ = x.fetch_update(Ordering::SeqCst, Ordering::SeqCst, |old| Some(old + 1));
+
+    // AcqRel is always forbidden as a failure ordering
+    let _ = x.fetch_update(Ordering::Relaxed, Ordering::AcqRel, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::Acquire, Ordering::AcqRel, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::Release, Ordering::AcqRel, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::AcqRel, Ordering::AcqRel, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::SeqCst, Ordering::AcqRel, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+
+    // Release is always forbidden as a failure ordering
+    let _ = x.fetch_update(Ordering::Relaxed, Ordering::Release, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::Acquire, Ordering::Release, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::Release, Ordering::Release, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::AcqRel, Ordering::Release, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+    let _ = x.fetch_update(Ordering::SeqCst, Ordering::Release, |old| Some(old + 1));
+    //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+
+}