Add missing module stability attributes

1 files changed, 1 insertions, 0 deletions

diff --git a/src/libunicode/lib.rs b/src/libunicode/lib.rs
index 33b5bc4b5a4..27255cc33ee 100644
--- a/src/libunicode/lib.rs
+++ b/src/libunicode/lib.rs
@@ -57,6 +57,7 @@ mod u_str;
 /// (inclusive) are allowed. A `char` can always be safely cast to a `u32`;
 /// however the converse is not always true due to the above range limits
 /// and, as such, should be performed via the `from_u32` function..
+#[stable]
 pub mod char {
     pub use core::char::{MAX, from_u32, from_digit};