diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/core/src/ptr/const_ptr.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 5be855bfabb..7fcdf21b03c 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -678,6 +678,10 @@ impl<T: ?Sized> *const T { where T: Sized, { + // SAFETY: The comparison has no side-effects, and the intrinsic + // does this check internally in the CTFE implementation. + unsafe { assert_unsafe_precondition!(self >= origin) }; + let pointee_size = mem::size_of::<T>(); assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); // SAFETY: the caller must uphold the safety contract for `ptr_offset_from_unsigned`. |