Fix some `#[cfg_attr(not(doc), repr(..))]`

Now that #90435 seems to have been resolved.

1 files changed, 2 insertions, 4 deletions

diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs
index f9dba08da4c..0fb3964c9a9 100644
--- a/library/std/src/ffi/os_str.rs
+++ b/library/std/src/ffi/os_str.rs
@@ -115,10 +115,8 @@ impl crate::sealed::Sealed for OsString {}
 #[stable(feature = "rust1", since = "1.0.0")]
 // `OsStr::from_inner` current implementation relies
 // on `OsStr` being layout-compatible with `Slice`.
-// However, `OsStr` layout is considered an implementation detail and must not be relied upon. We
-// want `repr(transparent)` but we don't want it to show up in rustdoc, so we hide it under
-// `cfg(doc)`. This is an ad-hoc implementation of attribute privacy.
-#[cfg_attr(not(doc), repr(transparent))]
+// However, `OsStr` layout is considered an implementation detail and must not be relied upon.
+#[repr(transparent)]
 pub struct OsStr {
     inner: Slice,
 }