From 6279d092c32bc60be2eeb91210f1d875e28b6b72 Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Mon, 24 Oct 2022 15:56:01 +0000 Subject: [PATCH] Make `pointer::byte_offset_from` more generic --- library/core/src/ptr/const_ptr.rs | 2 +- library/core/src/ptr/mut_ptr.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 67e59460d74b0..7a8b1a9a65b00 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -684,7 +684,7 @@ impl *const T { #[unstable(feature = "pointer_byte_offsets", issue = "96283")] #[rustc_const_unstable(feature = "const_pointer_byte_offsets", issue = "96283")] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - pub const unsafe fn byte_offset_from(self, origin: *const T) -> isize { + pub const unsafe fn byte_offset_from(self, origin: *const U) -> isize { // SAFETY: the caller must uphold the safety contract for `offset_from`. unsafe { self.cast::().offset_from(origin.cast::()) } } diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index 0bb2566fd4c98..40c2e97a6696f 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -861,7 +861,7 @@ impl *mut T { #[unstable(feature = "pointer_byte_offsets", issue = "96283")] #[rustc_const_unstable(feature = "const_pointer_byte_offsets", issue = "96283")] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - pub const unsafe fn byte_offset_from(self, origin: *const T) -> isize { + pub const unsafe fn byte_offset_from(self, origin: *const U) -> isize { // SAFETY: the caller must uphold the safety contract for `offset_from`. unsafe { self.cast::().offset_from(origin.cast::()) } }