diff options
Diffstat (limited to 'library/core/src/alloc/mod.rs')
| -rw-r--r-- | library/core/src/alloc/mod.rs | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/library/core/src/alloc/mod.rs b/library/core/src/alloc/mod.rs index 2833768f213..f644ed1a874 100644 --- a/library/core/src/alloc/mod.rs +++ b/library/core/src/alloc/mod.rs @@ -163,8 +163,6 @@ pub unsafe trait AllocRef { /// * `new_size` must be greater than or equal to `layout.size()`, and /// * `new_size`, when rounded up to the nearest multiple of `layout.align()`, must not overflow /// (i.e., the rounded value must be less than or equal to `usize::MAX`). - // Note: We can't require that `new_size` is strictly greater than `layout.size()` because of ZSTs. - // alternative: `new_size` must be strictly greater than `layout.size()` or both are zero /// /// [*currently allocated*]: #currently-allocated-memory /// [*fit*]: #memory-fitting @@ -194,10 +192,6 @@ pub unsafe trait AllocRef { "`new_size` must be greater than or equal to `layout.size()`" ); - if size == new_size { - return Ok(NonNull::slice_from_raw_parts(ptr, size)); - } - let new_layout = // SAFETY: the caller must ensure that the `new_size` does not overflow. // `layout.align()` comes from a `Layout` and is thus guaranteed to be valid for a Layout. @@ -238,8 +232,6 @@ pub unsafe trait AllocRef { /// * `new_size` must be greater than or equal to `layout.size()`, and /// * `new_size`, when rounded up to the nearest multiple of `layout.align()`, must not overflow /// (i.e., the rounded value must be less than or equal to `usize::MAX`). - // Note: We can't require that `new_size` is strictly greater than `layout.size()` because of ZSTs. - // alternative: `new_size` must be strictly greater than `layout.size()` or both are zero /// /// [*currently allocated*]: #currently-allocated-memory /// [*fit*]: #memory-fitting @@ -269,10 +261,6 @@ pub unsafe trait AllocRef { "`new_size` must be greater than or equal to `layout.size()`" ); - if size == new_size { - return Ok(NonNull::slice_from_raw_parts(ptr, size)); - } - let new_layout = // SAFETY: the caller must ensure that the `new_size` does not overflow. // `layout.align()` comes from a `Layout` and is thus guaranteed to be valid for a Layout. @@ -315,8 +303,6 @@ pub unsafe trait AllocRef { /// * `ptr` must denote a block of memory [*currently allocated*] via this allocator, /// * `layout` must [*fit*] that block of memory (The `new_size` argument need not fit it.), and /// * `new_size` must be smaller than or equal to `layout.size()`. - // Note: We can't require that `new_size` is strictly smaller than `layout.size()` because of ZSTs. - // alternative: `new_size` must be smaller than `layout.size()` or both are zero /// /// [*currently allocated*]: #currently-allocated-memory /// [*fit*]: #memory-fitting @@ -346,10 +332,6 @@ pub unsafe trait AllocRef { "`new_size` must be smaller than or equal to `layout.size()`" ); - if size == new_size { - return Ok(NonNull::slice_from_raw_parts(ptr, size)); - } - let new_layout = // SAFETY: the caller must ensure that the `new_size` does not overflow. // `layout.align()` comes from a `Layout` and is thus guaranteed to be valid for a Layout. |