stabilize ptr::swap_nonoverlapping in const

2 files changed, 4 insertions, 1 deletions

diff --git a/library/coretests/tests/lib.rs b/library/coretests/tests/lib.rs
index ef548971aaf..195fe3890db 100644
--- a/library/coretests/tests/lib.rs
+++ b/library/coretests/tests/lib.rs
@@ -15,7 +15,6 @@
 #![feature(char_max_len)]
 #![feature(clone_to_uninit)]
 #![feature(const_eval_select)]
-#![feature(const_swap_nonoverlapping)]
 #![feature(const_trait_impl)]
 #![feature(core_intrinsics)]
 #![feature(core_intrinsics_fallbacks)]
diff --git a/library/coretests/tests/ptr.rs b/library/coretests/tests/ptr.rs
index 7d6e4eac1e2..bb60fb07468 100644
--- a/library/coretests/tests/ptr.rs
+++ b/library/coretests/tests/ptr.rs
@@ -949,6 +949,10 @@ fn test_const_swap_ptr() {
         // Make sure they still work.
         assert!(*s1.0.ptr == 1);
         assert!(*s2.0.ptr == 666);
+
+        // This is where we'd swap again using a `u8` type and a `count` of `size_of::<T>()` if it
+        // were not for the limitation of `swap_nonoverlapping` around pointers crossing multiple
+        // elements.
     };
 }