1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/debuginfo/rwlock-write.rs b/src/test/debuginfo/rwlock-write.rs
new file mode 100644
index 000000000..8decf54c1
--- /dev/null
+++ b/src/test/debuginfo/rwlock-write.rs
@@ -0,0 +1,27 @@
+// Testing the display of RwLockWriteGuard.
+
+// cdb-only
+// min-cdb-version: 10.0.18317.1001
+// compile-flags:-g
+
+// === CDB TESTS ==================================================================================
+//
+// cdb-command:g
+//
+// cdb-command:dx w
+// cdb-check:w                [Type: std::sync::rwlock::RwLockWriteGuard<i32>]
+// cdb-check:    [...] lock             : [...] [Type: std::sync::rwlock::RwLock<i32> *]
+// cdb-check:    [...] poison           [Type: std::sync::poison::Guard]
+
+#[allow(unused_variables)]
+
+use std::sync::RwLock;
+
+fn main()
+{
+    let l = RwLock::new(0);
+    let w = l.write().unwrap();
+    zzz(); // #break
+}
+
+fn zzz() {}