diff options
| -rw-r--r-- | library/core/src/slice/mod.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 0923175414e..3bcea4e6d25 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -3096,7 +3096,11 @@ impl<T> [T] { // SAFETY: the conditions for `ptr::copy` have all been checked above, // as have those for `ptr::add`. unsafe { - ptr::copy(self.as_ptr().add(src_start), self.as_mut_ptr().add(dest), count); + // Derive both `src_ptr` and `dest_ptr` from the same loan + let ptr = self.as_mut_ptr(); + let src_ptr = ptr.add(src_start); + let dest_ptr = ptr.add(dest); + ptr::copy(src_ptr, dest_ptr, count); } } |