1 files changed, 6 insertions, 1 deletions
diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs
index 010ce4e5076..8c7fc4cb2e4 100644
--- a/library/std/src/os/fd/owned.rs
+++ b/library/std/src/os/fd/owned.rs
@@ -176,7 +176,12 @@ impl Drop for OwnedFd {
             // something like EINTR), we might close another valid file descriptor
             // opened after we closed ours.
             #[cfg(not(target_os = "hermit"))]
-            let _ = libc::close(self.fd);
+            {
+                #[cfg(unix)]
+                crate::sys::fs::debug_assert_fd_is_open(self.fd);
+
+                let _ = libc::close(self.fd);
+            }
             #[cfg(target_os = "hermit")]
             let _ = hermit_abi::close(self.fd);
         }