diff options
| -rw-r--r-- | compiler/rustc_hir/src/lang_items.rs | 3 | ||||
| -rw-r--r-- | compiler/rustc_mir_transform/src/add_retag.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_span/src/symbol.rs | 1 | ||||
| -rw-r--r-- | library/core/src/ptr/unique.rs | 2 |
4 files changed, 0 insertions, 8 deletions
diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index 6347f1bfa71..75c04b23ed6 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -345,9 +345,6 @@ language_item_table! { OwnedBox, sym::owned_box, owned_box, Target::Struct, GenericRequirement::Minimum(1); GlobalAlloc, sym::global_alloc_ty, global_alloc_ty, Target::Struct, GenericRequirement::None; - // Experimental lang item for Miri - PtrUnique, sym::ptr_unique, ptr_unique, Target::Struct, GenericRequirement::Exact(1); - PhantomData, sym::phantom_data, phantom_data, Target::Struct, GenericRequirement::Exact(1); ManuallyDrop, sym::manually_drop, manually_drop, Target::Struct, GenericRequirement::None; diff --git a/compiler/rustc_mir_transform/src/add_retag.rs b/compiler/rustc_mir_transform/src/add_retag.rs index 3c29d4624b7..fc08c1df870 100644 --- a/compiler/rustc_mir_transform/src/add_retag.rs +++ b/compiler/rustc_mir_transform/src/add_retag.rs @@ -4,7 +4,6 @@ //! of MIR building, and only after this pass we think of the program has having the //! normal MIR semantics. -use rustc_hir::LangItem; use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -28,7 +27,6 @@ fn may_contain_reference<'tcx>(ty: Ty<'tcx>, depth: u32, tcx: TyCtxt<'tcx>) -> b // References and Boxes (`noalias` sources) ty::Ref(..) => true, ty::Adt(..) if ty.is_box() => true, - ty::Adt(adt, _) if tcx.is_lang_item(adt.did(), LangItem::PtrUnique) => true, // Compound types: recurse ty::Array(ty, _) | ty::Slice(ty) => { // This does not branch so we keep the depth the same. diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 762126a4aaa..d54175548e3 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1698,7 +1698,6 @@ symbols! { ptr_slice_from_raw_parts_mut, ptr_swap, ptr_swap_nonoverlapping, - ptr_unique, ptr_write, ptr_write_bytes, ptr_write_unaligned, diff --git a/library/core/src/ptr/unique.rs b/library/core/src/ptr/unique.rs index c069314ff7d..e9e13f9e97f 100644 --- a/library/core/src/ptr/unique.rs +++ b/library/core/src/ptr/unique.rs @@ -32,8 +32,6 @@ use crate::ptr::NonNull; )] #[doc(hidden)] #[repr(transparent)] -// Lang item used experimentally by Miri to define the semantics of `Unique`. -#[lang = "ptr_unique"] pub struct Unique<T: PointeeSized> { pointer: NonNull<T>, // NOTE: this marker has no consequences for variance, but is necessary |