Rollup merge of rust-lang#133200 - RalfJung:miri-rwlock-test, r=tgross35

ignore an occasionally-failing test in Miri This is like rust-lang#128640, the test [sometimes](rust-lang#133189) fails due to rust-lang#121950.
matthiaskrgr · Nov 19, 2024 · 9aac15d · 9aac15d
2 parents f25fee3 + 7931a8d
commit 9aac15d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/library/std/src/sync/rwlock/tests.rs b/library/std/src/sync/rwlock/tests.rs
@@ -550,6 +550,9 @@ fn test_downgrade_observe() {
 }
 
 #[test]
+// FIXME: On macOS we use a provenance-incorrect implementation and Miri catches that issue.
+// See <https://github.com/rust-lang/rust/issues/121950> for details.
+#[cfg_attr(all(miri, target_os = "macos"), ignore)]
 fn test_downgrade_atomic() {
     const NEW_VALUE: i32 = -1;