rwlock: disable 'frob' test in Miri on macOS

rust-lang · Aug 4, 2024 · 8f070fd · 8f070fd
1 parent eefd2ea
commit 8f070fd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/library/std/src/sync/rwlock/tests.rs b/library/std/src/sync/rwlock/tests.rs
@@ -21,6 +21,10 @@ fn smoke() {
 }
 
 #[test]
+// On macOS we use a provenance-incorrect implementation and Miri
+// catches that issue with a chance of around 1/1000.
+// See <https://github.com/rust-lang/rust/issues/121950> for details.
+#[cfg_attr(all(miri, target_os = "macos"), ignore)]
 fn frob() {
     const N: u32 = 10;
     const M: usize = if cfg!(miri) { 100 } else { 1000 };