diff options
Diffstat (limited to 'compiler/rustc_arena/src/lib.rs')
| -rw-r--r-- | compiler/rustc_arena/src/lib.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_arena/src/lib.rs b/compiler/rustc_arena/src/lib.rs index 4fae5ef84..345e058e1 100644 --- a/compiler/rustc_arena/src/lib.rs +++ b/compiler/rustc_arena/src/lib.rs @@ -22,6 +22,7 @@ #![feature(strict_provenance)] #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] +#![allow(clippy::mut_from_ref)] // Arena allocators are one of the places where this pattern is fine. use smallvec::SmallVec; @@ -568,7 +569,9 @@ pub macro declare_arena([$($a:tt $name:ident: $ty:ty,)*]) { } pub trait ArenaAllocatable<'tcx, C = rustc_arena::IsNotCopy>: Sized { + #[allow(clippy::mut_from_ref)] fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut Self; + #[allow(clippy::mut_from_ref)] fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl ::std::iter::IntoIterator<Item = Self>, @@ -578,10 +581,12 @@ pub macro declare_arena([$($a:tt $name:ident: $ty:ty,)*]) { // Any type that impls `Copy` can be arena-allocated in the `DroplessArena`. impl<'tcx, T: Copy> ArenaAllocatable<'tcx, rustc_arena::IsCopy> for T { #[inline] + #[allow(clippy::mut_from_ref)] fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut Self { arena.dropless.alloc(self) } #[inline] + #[allow(clippy::mut_from_ref)] fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl ::std::iter::IntoIterator<Item = Self>, @@ -601,6 +606,7 @@ pub macro declare_arena([$($a:tt $name:ident: $ty:ty,)*]) { } #[inline] + #[allow(clippy::mut_from_ref)] fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl ::std::iter::IntoIterator<Item = Self>, @@ -616,12 +622,14 @@ pub macro declare_arena([$($a:tt $name:ident: $ty:ty,)*]) { impl<'tcx> Arena<'tcx> { #[inline] + #[allow(clippy::mut_from_ref)] pub fn alloc<T: ArenaAllocatable<'tcx, C>, C>(&self, value: T) -> &mut T { value.allocate_on(self) } // Any type that impls `Copy` can have slices be arena-allocated in the `DroplessArena`. #[inline] + #[allow(clippy::mut_from_ref)] pub fn alloc_slice<T: ::std::marker::Copy>(&self, value: &[T]) -> &mut [T] { if value.is_empty() { return &mut []; @@ -629,6 +637,7 @@ pub macro declare_arena([$($a:tt $name:ident: $ty:ty,)*]) { self.dropless.alloc_slice(value) } + #[allow(clippy::mut_from_ref)] pub fn alloc_from_iter<'a, T: ArenaAllocatable<'tcx, C>, C>( &'a self, iter: impl ::std::iter::IntoIterator<Item = T>, |