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-rw-r--r--library/alloc/src/vec/mod.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index 2afb5dd0d1a..ac0db38eac3 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -1545,6 +1545,7 @@ impl<T, A: Allocator> Vec<T, A> {
     /// ```
     #[inline]
     #[stable(feature = "vec_as_slice", since = "1.7.0")]
+    #[cfg_attr(not(test), rustc_diagnostic_item = "vec_as_slice")]
     pub fn as_slice(&self) -> &[T] {
         self
     }
@@ -1562,6 +1563,7 @@ impl<T, A: Allocator> Vec<T, A> {
     /// ```
     #[inline]
     #[stable(feature = "vec_as_slice", since = "1.7.0")]
+    #[cfg_attr(not(test), rustc_diagnostic_item = "vec_as_mut_slice")]
     pub fn as_mut_slice(&mut self) -> &mut [T] {
         self
     }