diff options
Diffstat (limited to 'src/libcore/ptr.rs')
| -rw-r--r-- | src/libcore/ptr.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs index 006b1e143ee..4bb4d3ee466 100644 --- a/src/libcore/ptr.rs +++ b/src/libcore/ptr.rs @@ -2938,6 +2938,7 @@ impl<'a, T: ?Sized> From<NonNull<T>> for Unique<T> { #[stable(feature = "nonnull", since = "1.25.0")] #[repr(transparent)] #[rustc_layout_scalar_valid_range_start(1)] +#[cfg_attr(not(stage0), rustc_nonnull_optimization_guaranteed)] pub struct NonNull<T: ?Sized> { pointer: *const T, } |