commit 17c4a9d25bf2593b7b5107ec9142971ade9b4ce2
parent e32b23df8ba55501432f5e560dd2a8820b206f87
Author: Mark Hammond <mhammond@skippinet.com.au>
Date: Fri, 3 Oct 2025 14:20:58 +0000
Bug 1990108 (part 1) - Stabilize raw_ref_op in our patched Rust compiler. r=glandium
This applies the patches in https://github.com/rust-lang/rust/pull/127679, although
miro and test chunks were removed as they didn't apply.
Differential Revision: https://phabricator.services.mozilla.com/D267338
Diffstat:
4 files changed, 1069 insertions(+), 0 deletions(-)
diff --git a/build/build-rust/rename_AddressOf_to_RawBorrow_inside_the_compiler.patch b/build/build-rust/rename_AddressOf_to_RawBorrow_inside_the_compiler.patch
@@ -0,0 +1,919 @@
+From 35709be02d43b40e7f720408f8a88bf6e9d5501d Mon Sep 17 00:00:00 2001
+From: Ralf Jung <post@ralfj.de>
+Date: Mon, 12 Aug 2024 10:57:57 +0200
+Subject: [PATCH] rename AddressOf -> RawBorrow inside the compiler
+
+diff --git a/compiler/rustc_borrowck/src/def_use.rs b/compiler/rustc_borrowck/src/def_use.rs
+index 1f0b0981c8f29..e07d7dd309ae2 100644
+--- a/compiler/rustc_borrowck/src/def_use.rs
++++ b/compiler/rustc_borrowck/src/def_use.rs
+@@ -55,8 +55,8 @@ pub fn categorize(context: PlaceContext) -> Option<DefUse> {
+ PlaceContext::NonMutatingUse(NonMutatingUseContext::PlaceMention) |
+ PlaceContext::NonUse(NonUseContext::AscribeUserTy(_)) |
+
+- PlaceContext::MutatingUse(MutatingUseContext::AddressOf) |
+- PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf) |
++ PlaceContext::MutatingUse(MutatingUseContext::RawBorrow) |
++ PlaceContext::NonMutatingUse(NonMutatingUseContext::RawBorrow) |
+ PlaceContext::NonMutatingUse(NonMutatingUseContext::Inspect) |
+ PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy) |
+ PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) |
+diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
+index 30dd45d847c9b..a529df76bcbc7 100644
+--- a/compiler/rustc_borrowck/src/lib.rs
++++ b/compiler/rustc_borrowck/src/lib.rs
+@@ -1242,7 +1242,7 @@ impl<'mir, 'tcx> MirBorrowckCtxt<'_, 'mir, '_, 'tcx> {
+ );
+ }
+
+- &Rvalue::AddressOf(mutability, place) => {
++ &Rvalue::RawPtr(mutability, place) => {
+ let access_kind = match mutability {
+ Mutability::Mut => (
+ Deep,
+diff --git a/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs b/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs
+index f090da031a04b..a57041cd04c52 100644
+--- a/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs
++++ b/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs
+@@ -269,7 +269,7 @@ impl<'cx, 'tcx> LoanInvalidationsGenerator<'cx, 'tcx> {
+ self.access_place(location, place, access_kind, LocalMutationIsAllowed::No);
+ }
+
+- &Rvalue::AddressOf(mutability, place) => {
++ &Rvalue::RawPtr(mutability, place) => {
+ let access_kind = match mutability {
+ Mutability::Mut => (
+ Deep,
+diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs
+index a2669da1b04e8..6983cda6ddf3b 100644
+--- a/compiler/rustc_borrowck/src/type_check/mod.rs
++++ b/compiler/rustc_borrowck/src/type_check/mod.rs
+@@ -756,7 +756,7 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> {
+ PlaceContext::MutatingUse(_) => ty::Invariant,
+ PlaceContext::NonUse(StorageDead | StorageLive | VarDebugInfo) => ty::Invariant,
+ PlaceContext::NonMutatingUse(
+- Inspect | Copy | Move | PlaceMention | SharedBorrow | FakeBorrow | AddressOf
++ Inspect | Copy | Move | PlaceMention | SharedBorrow | FakeBorrow | RawBorrow
+ | Projection,
+ ) => ty::Covariant,
+ PlaceContext::NonUse(AscribeUserTy(variance)) => variance,
+@@ -2468,7 +2468,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
+ self.check_operand(right, location);
+ }
+
+- Rvalue::AddressOf(..)
++ Rvalue::RawPtr(..)
+ | Rvalue::ThreadLocalRef(..)
+ | Rvalue::Len(..)
+ | Rvalue::Discriminant(..)
+@@ -2485,7 +2485,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
+ | Rvalue::ThreadLocalRef(_)
+ | Rvalue::Repeat(..)
+ | Rvalue::Ref(..)
+- | Rvalue::AddressOf(..)
++ | Rvalue::RawPtr(..)
+ | Rvalue::Len(..)
+ | Rvalue::Cast(..)
+ | Rvalue::ShallowInitBox(..)
+diff --git a/compiler/rustc_codegen_cranelift/src/analyze.rs b/compiler/rustc_codegen_cranelift/src/analyze.rs
+index c5762638a6b13..72380f50385a1 100644
+--- a/compiler/rustc_codegen_cranelift/src/analyze.rs
++++ b/compiler/rustc_codegen_cranelift/src/analyze.rs
+@@ -25,7 +25,7 @@ pub(crate) fn analyze(fx: &FunctionCx<'_, '_, '_>) -> IndexVec<Local, SsaKind> {
+ for stmt in bb.statements.iter() {
+ match &stmt.kind {
+ Assign(place_and_rval) => match &place_and_rval.1 {
+- Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
++ Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
+ flag_map[place.local] = SsaKind::NotSsa;
+ }
+ _ => {}
+diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs
+index 9bc7b57c53745..f1d885bf1bce8 100644
+--- a/compiler/rustc_codegen_cranelift/src/base.rs
++++ b/compiler/rustc_codegen_cranelift/src/base.rs
+@@ -595,7 +595,7 @@ fn codegen_stmt<'tcx>(
+ let val = cplace.to_cvalue(fx);
+ lval.write_cvalue(fx, val)
+ }
+- Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
++ Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
+ let place = codegen_place(fx, place);
+ let ref_ = place.place_ref(fx, lval.layout());
+ lval.write_cvalue(fx, ref_);
+diff --git a/compiler/rustc_codegen_ssa/src/mir/analyze.rs b/compiler/rustc_codegen_ssa/src/mir/analyze.rs
+index 6794365c9beef..c8cf341628c32 100644
+--- a/compiler/rustc_codegen_ssa/src/mir/analyze.rs
++++ b/compiler/rustc_codegen_ssa/src/mir/analyze.rs
+@@ -220,14 +220,14 @@ impl<'mir, 'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> Visitor<'tcx>
+ | MutatingUseContext::SetDiscriminant
+ | MutatingUseContext::AsmOutput
+ | MutatingUseContext::Borrow
+- | MutatingUseContext::AddressOf
++ | MutatingUseContext::RawBorrow
+ | MutatingUseContext::Projection,
+ )
+ | PlaceContext::NonMutatingUse(
+ NonMutatingUseContext::Inspect
+ | NonMutatingUseContext::SharedBorrow
+ | NonMutatingUseContext::FakeBorrow
+- | NonMutatingUseContext::AddressOf
++ | NonMutatingUseContext::RawBorrow
+ | NonMutatingUseContext::Projection,
+ ) => {
+ self.locals[local] = LocalKind::Memory;
+diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
+index 3c2c29ac7f7d2..d94c6f8ddcec3 100644
+--- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
++++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
+@@ -584,7 +584,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
+ mir::Rvalue::CopyForDeref(place) => {
+ self.codegen_operand(bx, &mir::Operand::Copy(place))
+ }
+- mir::Rvalue::AddressOf(mutability, place) => {
++ mir::Rvalue::RawPtr(mutability, place) => {
+ let mk_ptr =
+ move |tcx: TyCtxt<'tcx>, ty: Ty<'tcx>| Ty::new_ptr(tcx, ty, mutability);
+ self.codegen_place_to_pointer(bx, place, mk_ptr)
+@@ -813,7 +813,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
+ cg_value.len(bx.cx())
+ }
+
+- /// Codegen an `Rvalue::AddressOf` or `Rvalue::Ref`
++ /// Codegen an `Rvalue::RawPtr` or `Rvalue::Ref`
+ fn codegen_place_to_pointer(
+ &mut self,
+ bx: &mut Bx,
+@@ -1085,7 +1085,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
+ }
+ mir::Rvalue::Ref(..) |
+ mir::Rvalue::CopyForDeref(..) |
+- mir::Rvalue::AddressOf(..) |
++ mir::Rvalue::RawPtr(..) |
+ mir::Rvalue::Len(..) |
+ mir::Rvalue::Cast(..) | // (*)
+ mir::Rvalue::ShallowInitBox(..) | // (*)
+diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs
+index 32a9247bcc70a..86a5afa65ba87 100644
+--- a/compiler/rustc_const_eval/src/check_consts/check.rs
++++ b/compiler/rustc_const_eval/src/check_consts/check.rs
+@@ -431,13 +431,13 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
+ return;
+ }
+ }
+- Rvalue::AddressOf(mutbl, place) => {
++ Rvalue::RawPtr(mutbl, place) => {
+ if let Some(reborrowed_place_ref) = place_as_reborrow(self.tcx, self.body, place) {
+ let ctx = match mutbl {
+ Mutability::Not => {
+- PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf)
++ PlaceContext::NonMutatingUse(NonMutatingUseContext::RawBorrow)
+ }
+- Mutability::Mut => PlaceContext::MutatingUse(MutatingUseContext::AddressOf),
++ Mutability::Mut => PlaceContext::MutatingUse(MutatingUseContext::RawBorrow),
+ };
+ self.visit_local(reborrowed_place_ref.local, ctx, location);
+ self.visit_projection(reborrowed_place_ref, ctx, location);
+@@ -472,7 +472,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
+ }
+
+ Rvalue::Ref(_, BorrowKind::Mut { .. }, place)
+- | Rvalue::AddressOf(Mutability::Mut, place) => {
++ | Rvalue::RawPtr(Mutability::Mut, place) => {
+ // Inside mutable statics, we allow arbitrary mutable references.
+ // We've allowed `static mut FOO = &mut [elements];` for a long time (the exact
+ // reasons why are lost to history), and there is no reason to restrict that to
+@@ -493,7 +493,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
+ }
+
+ Rvalue::Ref(_, BorrowKind::Shared | BorrowKind::Fake(_), place)
+- | Rvalue::AddressOf(Mutability::Not, place) => {
++ | Rvalue::RawPtr(Mutability::Not, place) => {
+ let borrowed_place_has_mut_interior = qualifs::in_place::<HasMutInterior, _>(
+ self.ccx,
+ &mut |local| self.qualifs.has_mut_interior(self.ccx, local, location),
+diff --git a/compiler/rustc_const_eval/src/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/check_consts/qualifs.rs
+index c0f2d113c7e31..c566dc7fa844d 100644
+--- a/compiler/rustc_const_eval/src/check_consts/qualifs.rs
++++ b/compiler/rustc_const_eval/src/check_consts/qualifs.rs
+@@ -291,7 +291,7 @@ where
+ in_operand::<Q, _>(cx, in_local, lhs) || in_operand::<Q, _>(cx, in_local, rhs)
+ }
+
+- Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
++ Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
+ // Special-case reborrows to be more like a copy of the reference.
+ if let Some((place_base, ProjectionElem::Deref)) = place.as_ref().last_projection() {
+ let base_ty = place_base.ty(cx.body, cx.tcx).ty;
+diff --git a/compiler/rustc_const_eval/src/check_consts/resolver.rs b/compiler/rustc_const_eval/src/check_consts/resolver.rs
+index ea3a5264357c9..681184f7fbcde 100644
+--- a/compiler/rustc_const_eval/src/check_consts/resolver.rs
++++ b/compiler/rustc_const_eval/src/check_consts/resolver.rs
+@@ -96,7 +96,7 @@ where
+ }
+
+ fn address_of_allows_mutation(&self) -> bool {
+- // Exact set of permissions granted by AddressOf is undecided. Conservatively assume that
++ // Exact set of permissions granted by RawPtr is undecided. Conservatively assume that
+ // it might allow mutation until resolution of #56604.
+ true
+ }
+@@ -170,7 +170,7 @@ where
+ self.super_rvalue(rvalue, location);
+
+ match rvalue {
+- mir::Rvalue::AddressOf(_mt, borrowed_place) => {
++ mir::Rvalue::RawPtr(_mt, borrowed_place) => {
+ if !borrowed_place.is_indirect() && self.address_of_allows_mutation() {
+ let place_ty = borrowed_place.ty(self.ccx.body, self.ccx.tcx).ty;
+ if Q::in_any_value_of_ty(self.ccx, place_ty) {
+diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs
+index aaee6f6d247f8..70cfba1922c6e 100644
+--- a/compiler/rustc_const_eval/src/interpret/step.rs
++++ b/compiler/rustc_const_eval/src/interpret/step.rs
+@@ -234,7 +234,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
+ self.write_immediate(*val, &dest)?;
+ }
+
+- AddressOf(_, place) => {
++ RawPtr(_, place) => {
+ // Figure out whether this is an addr_of of an already raw place.
+ let place_base_raw = if place.is_indirect_first_projection() {
+ let ty = self.frame().body.local_decls[place.local].ty;
+diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs
+index 7cd97166ed1e9..03a76d44cc987 100644
+--- a/compiler/rustc_hir_typeck/src/cast.rs
++++ b/compiler/rustc_hir_typeck/src/cast.rs
+@@ -967,7 +967,7 @@ impl<'a, 'tcx> CastCheck<'tcx> {
+ // need to special-case obtaining a raw pointer
+ // from a region pointer to a vector.
+
+- // Coerce to a raw pointer so that we generate AddressOf in MIR.
++ // Coerce to a raw pointer so that we generate RawPtr in MIR.
+ let array_ptr_type = Ty::new_ptr(fcx.tcx, m_expr.ty, m_expr.mutbl);
+ fcx.coerce(self.expr, self.expr_ty, array_ptr_type, AllowTwoPhase::No, None)
+ .unwrap_or_else(|_| {
+diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
+index 5dd0e69cf1fe6..212eda666ca05 100644
+--- a/compiler/rustc_middle/src/mir/pretty.rs
++++ b/compiler/rustc_middle/src/mir/pretty.rs
+@@ -1038,7 +1038,7 @@ impl<'tcx> Debug for Rvalue<'tcx> {
+
+ CopyForDeref(ref place) => write!(fmt, "deref_copy {place:#?}"),
+
+- AddressOf(mutability, ref place) => {
++ RawPtr(mutability, ref place) => {
+ write!(fmt, "&raw {mut_str} {place:?}", mut_str = mutability.ptr_str())
+ }
+
+diff --git a/compiler/rustc_middle/src/mir/statement.rs b/compiler/rustc_middle/src/mir/statement.rs
+index 3009ca8d8097a..bc7dfa6205e71 100644
+--- a/compiler/rustc_middle/src/mir/statement.rs
++++ b/compiler/rustc_middle/src/mir/statement.rs
+@@ -423,7 +423,7 @@ impl<'tcx> Rvalue<'tcx> {
+ | Rvalue::Repeat(_, _)
+ | Rvalue::Ref(_, _, _)
+ | Rvalue::ThreadLocalRef(_)
+- | Rvalue::AddressOf(_, _)
++ | Rvalue::RawPtr(_, _)
+ | Rvalue::Len(_)
+ | Rvalue::Cast(
+ CastKind::IntToInt
+diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs
+index 1119ff6ff3d60..51b4154ddab78 100644
+--- a/compiler/rustc_middle/src/mir/syntax.rs
++++ b/compiler/rustc_middle/src/mir/syntax.rs
+@@ -1293,14 +1293,14 @@ pub enum Rvalue<'tcx> {
+ /// nature of this operation?
+ ThreadLocalRef(DefId),
+
+- /// Creates a pointer with the indicated mutability to the place.
++ /// Creates a raw pointer with the indicated mutability to the place.
+ ///
+- /// This is generated by pointer casts like `&v as *const _` or raw address of expressions like
+- /// `&raw v` or `addr_of!(v)`.
++ /// This is generated by pointer casts like `&v as *const _` or raw borrow expressions like
++ /// `&raw const v`.
+ ///
+ /// Like with references, the semantics of this operation are heavily dependent on the aliasing
+ /// model.
+- AddressOf(Mutability, Place<'tcx>),
++ RawPtr(Mutability, Place<'tcx>),
+
+ /// Yields the length of the place, as a `usize`.
+ ///
+diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs
+index 1075344dc00f3..8d57d0d865469 100644
+--- a/compiler/rustc_middle/src/mir/tcx.rs
++++ b/compiler/rustc_middle/src/mir/tcx.rs
+@@ -170,7 +170,7 @@ impl<'tcx> Rvalue<'tcx> {
+ let place_ty = place.ty(local_decls, tcx).ty;
+ Ty::new_ref(tcx, reg, place_ty, bk.to_mutbl_lossy())
+ }
+- Rvalue::AddressOf(mutability, ref place) => {
++ Rvalue::RawPtr(mutability, ref place) => {
+ let place_ty = place.ty(local_decls, tcx).ty;
+ Ty::new_ptr(tcx, place_ty, mutability)
+ }
+diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs
+index 3921176873c81..bfb129495ce83 100644
+--- a/compiler/rustc_middle/src/mir/visit.rs
++++ b/compiler/rustc_middle/src/mir/visit.rs
+@@ -682,13 +682,13 @@ macro_rules! make_mir_visitor {
+ );
+ }
+
+- Rvalue::AddressOf(m, path) => {
++ Rvalue::RawPtr(m, path) => {
+ let ctx = match m {
+ Mutability::Mut => PlaceContext::MutatingUse(
+- MutatingUseContext::AddressOf
++ MutatingUseContext::RawBorrow
+ ),
+ Mutability::Not => PlaceContext::NonMutatingUse(
+- NonMutatingUseContext::AddressOf
++ NonMutatingUseContext::RawBorrow
+ ),
+ };
+ self.visit_place(path, ctx, location);
+@@ -1299,8 +1299,8 @@ pub enum NonMutatingUseContext {
+ /// FIXME: do we need to distinguish shallow and deep fake borrows? In fact, do we need to
+ /// distinguish fake and normal deep borrows?
+ FakeBorrow,
+- /// AddressOf for *const pointer.
+- AddressOf,
++ /// `&raw const`.
++ RawBorrow,
+ /// PlaceMention statement.
+ ///
+ /// This statement is executed as a check that the `Place` is live without reading from it,
+@@ -1333,8 +1333,8 @@ pub enum MutatingUseContext {
+ Drop,
+ /// Mutable borrow.
+ Borrow,
+- /// AddressOf for *mut pointer.
+- AddressOf,
++ /// `&raw mut`.
++ RawBorrow,
+ /// Used as base for another place, e.g., `x` in `x.y`. Could potentially mutate the place.
+ /// For example, the projection `x.y` is marked as a mutation in these cases:
+ /// ```ignore (illustrative)
+@@ -1386,8 +1386,8 @@ impl PlaceContext {
+ pub fn is_address_of(&self) -> bool {
+ matches!(
+ self,
+- PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf)
+- | PlaceContext::MutatingUse(MutatingUseContext::AddressOf)
++ PlaceContext::NonMutatingUse(NonMutatingUseContext::RawBorrow)
++ | PlaceContext::MutatingUse(MutatingUseContext::RawBorrow)
+ )
+ }
+
+diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs
+index f2ea32275f9b1..aca1390935ef1 100644
+--- a/compiler/rustc_middle/src/thir.rs
++++ b/compiler/rustc_middle/src/thir.rs
+@@ -407,7 +407,7 @@ pub enum ExprKind<'tcx> {
+ arg: ExprId,
+ },
+ /// A `&raw [const|mut] $place_expr` raw borrow resulting in type `*[const|mut] T`.
+- AddressOf {
++ RawBorrow {
+ mutability: hir::Mutability,
+ arg: ExprId,
+ },
+diff --git a/compiler/rustc_middle/src/thir/visit.rs b/compiler/rustc_middle/src/thir/visit.rs
+index f198881043739..e246ecebbec0b 100644
+--- a/compiler/rustc_middle/src/thir/visit.rs
++++ b/compiler/rustc_middle/src/thir/visit.rs
+@@ -92,7 +92,7 @@ pub fn walk_expr<'thir, 'tcx: 'thir, V: Visitor<'thir, 'tcx>>(
+ }
+ VarRef { id: _ } | UpvarRef { closure_def_id: _, var_hir_id: _ } => {}
+ Borrow { arg, borrow_kind: _ } => visitor.visit_expr(&visitor.thir()[arg]),
+- AddressOf { arg, mutability: _ } => visitor.visit_expr(&visitor.thir()[arg]),
++ RawBorrow { arg, mutability: _ } => visitor.visit_expr(&visitor.thir()[arg]),
+ Break { value, label: _ } => {
+ if let Some(value) = value {
+ visitor.visit_expr(&visitor.thir()[value])
+diff --git a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
+index 56896d945e5f3..0b13ceb574d04 100644
+--- a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
++++ b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
+@@ -244,8 +244,8 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
+ ExprKind::Borrow { borrow_kind, arg } => Ok(
+ Rvalue::Ref(self.tcx.lifetimes.re_erased, *borrow_kind, self.parse_place(*arg)?)
+ ),
+- ExprKind::AddressOf { mutability, arg } => Ok(
+- Rvalue::AddressOf(*mutability, self.parse_place(*arg)?)
++ ExprKind::RawBorrow { mutability, arg } => Ok(
++ Rvalue::RawPtr(*mutability, self.parse_place(*arg)?)
+ ),
+ ExprKind::Binary { op, lhs, rhs } => Ok(
+ Rvalue::BinaryOp(*op, Box::new((self.parse_operand(*lhs)?, self.parse_operand(*rhs)?)))
+diff --git a/compiler/rustc_mir_build/src/build/expr/as_place.rs b/compiler/rustc_mir_build/src/build/expr/as_place.rs
+index b80d9de70c8da..07784982631f8 100644
+--- a/compiler/rustc_mir_build/src/build/expr/as_place.rs
++++ b/compiler/rustc_mir_build/src/build/expr/as_place.rs
+@@ -542,7 +542,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
+ | ExprKind::PointerCoercion { .. }
+ | ExprKind::Repeat { .. }
+ | ExprKind::Borrow { .. }
+- | ExprKind::AddressOf { .. }
++ | ExprKind::RawBorrow { .. }
+ | ExprKind::Match { .. }
+ | ExprKind::If { .. }
+ | ExprKind::Loop { .. }
+diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
+index 379d2140c09c5..0c9571da3cf7f 100644
+--- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
++++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
+@@ -512,7 +512,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
+ | ExprKind::NeverToAny { .. }
+ | ExprKind::Use { .. }
+ | ExprKind::Borrow { .. }
+- | ExprKind::AddressOf { .. }
++ | ExprKind::RawBorrow { .. }
+ | ExprKind::Adt { .. }
+ | ExprKind::Loop { .. }
+ | ExprKind::LogicalOp { .. }
+diff --git a/compiler/rustc_mir_build/src/build/expr/category.rs b/compiler/rustc_mir_build/src/build/expr/category.rs
+index e07ba6b6e9383..e0349e3e3f668 100644
+--- a/compiler/rustc_mir_build/src/build/expr/category.rs
++++ b/compiler/rustc_mir_build/src/build/expr/category.rs
+@@ -51,7 +51,7 @@ impl Category {
+ | ExprKind::Use { .. }
+ | ExprKind::Adt { .. }
+ | ExprKind::Borrow { .. }
+- | ExprKind::AddressOf { .. }
++ | ExprKind::RawBorrow { .. }
+ | ExprKind::Yield { .. }
+ | ExprKind::Call { .. }
+ | ExprKind::InlineAsm { .. } => Some(Category::Rvalue(RvalueFunc::Into)),
+diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs
+index 01b32b8e05e49..1c805ed20cc36 100644
+--- a/compiler/rustc_mir_build/src/build/expr/into.rs
++++ b/compiler/rustc_mir_build/src/build/expr/into.rs
+@@ -303,12 +303,12 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
+ this.cfg.push_assign(block, source_info, destination, borrow);
+ block.unit()
+ }
+- ExprKind::AddressOf { mutability, arg } => {
++ ExprKind::RawBorrow { mutability, arg } => {
+ let place = match mutability {
+ hir::Mutability::Not => this.as_read_only_place(block, arg),
+ hir::Mutability::Mut => this.as_place(block, arg),
+ };
+- let address_of = Rvalue::AddressOf(mutability, unpack!(block = place));
++ let address_of = Rvalue::RawPtr(mutability, unpack!(block = place));
+ this.cfg.push_assign(block, source_info, destination, address_of);
+ block.unit()
+ }
+diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs
+index 9b85ad0ad0891..e4e5844d2ef8e 100644
+--- a/compiler/rustc_mir_build/src/check_unsafety.rs
++++ b/compiler/rustc_mir_build/src/check_unsafety.rs
+@@ -397,7 +397,7 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> {
+ | ExprKind::Scope { .. }
+ | ExprKind::Cast { .. } => {}
+
+- ExprKind::AddressOf { .. }
++ ExprKind::RawBorrow { .. }
+ | ExprKind::Adt { .. }
+ | ExprKind::Array { .. }
+ | ExprKind::Binary { .. }
+@@ -498,7 +498,7 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> {
+ }
+ }
+ }
+- ExprKind::AddressOf { arg, .. } => {
++ ExprKind::RawBorrow { arg, .. } => {
+ if let ExprKind::Scope { value: arg, .. } = self.thir[arg].kind
+ // THIR desugars UNSAFE_STATIC into *UNSAFE_STATIC_REF, where
+ // UNSAFE_STATIC_REF holds the addr of the UNSAFE_STATIC, so: take two steps
+diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs
+index d4de5fac96eb0..2cbaed2cc6258 100644
+--- a/compiler/rustc_mir_build/src/thir/cx/expr.rs
++++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs
+@@ -143,7 +143,7 @@ impl<'tcx> Cx<'tcx> {
+ arg: self.thir.exprs.push(expr),
+ },
+ Adjust::Borrow(AutoBorrow::RawPtr(mutability)) => {
+- ExprKind::AddressOf { mutability, arg: self.thir.exprs.push(expr) }
++ ExprKind::RawBorrow { mutability, arg: self.thir.exprs.push(expr) }
+ }
+ Adjust::DynStar => ExprKind::Cast { source: self.thir.exprs.push(expr) },
+ };
+@@ -396,7 +396,7 @@ impl<'tcx> Cx<'tcx> {
+ }
+
+ hir::ExprKind::AddrOf(hir::BorrowKind::Raw, mutability, arg) => {
+- ExprKind::AddressOf { mutability, arg: self.mirror_expr(arg) }
++ ExprKind::RawBorrow { mutability, arg: self.mirror_expr(arg) }
+ }
+
+ hir::ExprKind::Block(blk, _) => ExprKind::Block { block: self.mirror_block(blk) },
+diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
+index 85b9dacb1293c..bc1acd51c6911 100644
+--- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
++++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
+@@ -325,7 +325,7 @@ impl<'p, 'tcx> MatchVisitor<'p, 'tcx> {
+ Assign { .. } | AssignOp { .. } | InlineAsm { .. } | Let { .. } => true,
+
+ // These evaluate to a value.
+- AddressOf { .. }
++ RawBorrow { .. }
+ | Adt { .. }
+ | Array { .. }
+ | Binary { .. }
+diff --git a/compiler/rustc_mir_build/src/thir/print.rs b/compiler/rustc_mir_build/src/thir/print.rs
+index 2d4b39e7b08f3..ce7774f594882 100644
+--- a/compiler/rustc_mir_build/src/thir/print.rs
++++ b/compiler/rustc_mir_build/src/thir/print.rs
+@@ -379,8 +379,8 @@ impl<'a, 'tcx> ThirPrinter<'a, 'tcx> {
+ self.print_expr(*arg, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl);
+ }
+- AddressOf { mutability, arg } => {
+- print_indented!(self, "AddressOf {", depth_lvl);
++ RawBorrow { mutability, arg } => {
++ print_indented!(self, "RawBorrow {", depth_lvl);
+ print_indented!(self, format!("mutability: {:?}", mutability), depth_lvl + 1);
+ print_indented!(self, "arg:", depth_lvl + 1);
+ self.print_expr(*arg, depth_lvl + 2);
+diff --git a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs
+index 2ec3b53bc9814..d7e738b8829e0 100644
+--- a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs
++++ b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs
+@@ -703,7 +703,7 @@ where
+ statements: vec![
+ self.assign(
+ ptr,
+- Rvalue::AddressOf(Mutability::Mut, tcx.mk_place_index(self.place, cur)),
++ Rvalue::RawPtr(Mutability::Mut, tcx.mk_place_index(self.place, cur)),
+ ),
+ self.assign(
+ cur.into(),
+diff --git a/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs b/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs
+index 885fdd0d58bea..e8e78fb8a89ee 100644
+--- a/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs
++++ b/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs
+@@ -94,7 +94,7 @@ where
+ match rvalue {
+ // We ignore fake borrows as these get removed after analysis and shouldn't effect
+ // the layout of generators.
+- Rvalue::AddressOf(_, borrowed_place)
++ Rvalue::RawPtr(_, borrowed_place)
+ | Rvalue::Ref(_, BorrowKind::Mut { .. } | BorrowKind::Shared, borrowed_place) => {
+ if !borrowed_place.is_indirect() {
+ self.trans.gen_(borrowed_place.local);
+diff --git a/compiler/rustc_mir_dataflow/src/impls/initialized.rs b/compiler/rustc_mir_dataflow/src/impls/initialized.rs
+index 7822fb17f7298..ddfd0739358d1 100644
+--- a/compiler/rustc_mir_dataflow/src/impls/initialized.rs
++++ b/compiler/rustc_mir_dataflow/src/impls/initialized.rs
+@@ -351,7 +351,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeInitializedPlaces<'_, '_, 'tcx> {
+ && let Some((_, rvalue)) = statement.kind.as_assign()
+ && let mir::Rvalue::Ref(_, mir::BorrowKind::Mut { .. }, place)
+ // FIXME: Does `&raw const foo` allow mutation? See #90413.
+- | mir::Rvalue::AddressOf(_, place) = rvalue
++ | mir::Rvalue::RawPtr(_, place) = rvalue
+ && let LookupResult::Exact(mpi) = self.move_data().rev_lookup.find(place.as_ref())
+ {
+ on_all_children_bits(self.move_data(), mpi, |child| {
+diff --git a/compiler/rustc_mir_dataflow/src/impls/liveness.rs b/compiler/rustc_mir_dataflow/src/impls/liveness.rs
+index 48bdb1316012f..24a4b32ceb7c4 100644
+--- a/compiler/rustc_mir_dataflow/src/impls/liveness.rs
++++ b/compiler/rustc_mir_dataflow/src/impls/liveness.rs
+@@ -189,13 +189,13 @@ impl DefUse {
+
+ // All other contexts are uses...
+ PlaceContext::MutatingUse(
+- MutatingUseContext::AddressOf
++ MutatingUseContext::RawBorrow
+ | MutatingUseContext::Borrow
+ | MutatingUseContext::Drop
+ | MutatingUseContext::Retag,
+ )
+ | PlaceContext::NonMutatingUse(
+- NonMutatingUseContext::AddressOf
++ NonMutatingUseContext::RawBorrow
+ | NonMutatingUseContext::Copy
+ | NonMutatingUseContext::Inspect
+ | NonMutatingUseContext::Move
+diff --git a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs
+index 86091379f5a92..14390723ba4b6 100644
+--- a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs
++++ b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs
+@@ -432,7 +432,7 @@ impl<'b, 'a, 'tcx, F: Fn(Ty<'tcx>) -> bool> Gatherer<'b, 'a, 'tcx, F> {
+ }
+ Rvalue::CopyForDeref(..) => unreachable!(),
+ Rvalue::Ref(..)
+- | Rvalue::AddressOf(..)
++ | Rvalue::RawPtr(..)
+ | Rvalue::Discriminant(..)
+ | Rvalue::Len(..)
+ | Rvalue::NullaryOp(
+diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs
+index 139fd592f69a3..2b20a35b61e29 100644
+--- a/compiler/rustc_mir_dataflow/src/value_analysis.rs
++++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs
+@@ -177,7 +177,7 @@ pub trait ValueAnalysis<'tcx> {
+ match rvalue {
+ Rvalue::Use(operand) => self.handle_operand(operand, state),
+ Rvalue::CopyForDeref(place) => self.handle_operand(&Operand::Copy(*place), state),
+- Rvalue::Ref(..) | Rvalue::AddressOf(..) => {
++ Rvalue::Ref(..) | Rvalue::RawPtr(..) => {
+ // We don't track such places.
+ ValueOrPlace::TOP
+ }
+diff --git a/compiler/rustc_mir_transform/src/add_retag.rs b/compiler/rustc_mir_transform/src/add_retag.rs
+index 16977a63c598e..12a68790374e5 100644
+--- a/compiler/rustc_mir_transform/src/add_retag.rs
++++ b/compiler/rustc_mir_transform/src/add_retag.rs
+@@ -131,9 +131,9 @@ impl<'tcx> MirPass<'tcx> for AddRetag {
+ // Ptr-creating operations already do their own internal retagging, no
+ // need to also add a retag statement.
+ // *Except* if we are deref'ing a Box, because those get desugared to directly working
+- // with the inner raw pointer! That's relevant for `AddressOf` as Miri otherwise makes it
++ // with the inner raw pointer! That's relevant for `RawPtr` as Miri otherwise makes it
+ // a NOP when the original pointer is already raw.
+- Rvalue::AddressOf(_mutbl, place) => {
++ Rvalue::RawPtr(_mutbl, place) => {
+ // Using `is_box_global` here is a bit sketchy: if this code is
+ // generic over the allocator, we'll not add a retag! This is a hack
+ // to make Stacked Borrows compatible with custom allocator code.
+diff --git a/compiler/rustc_mir_transform/src/check_alignment.rs b/compiler/rustc_mir_transform/src/check_alignment.rs
+index a1dbd7dc50ec7..5dfdcfc8b9446 100644
+--- a/compiler/rustc_mir_transform/src/check_alignment.rs
++++ b/compiler/rustc_mir_transform/src/check_alignment.rs
+@@ -71,7 +71,7 @@ struct PointerFinder<'tcx, 'a> {
+ impl<'tcx, 'a> Visitor<'tcx> for PointerFinder<'tcx, 'a> {
+ fn visit_place(&mut self, place: &Place<'tcx>, context: PlaceContext, location: Location) {
+ // We want to only check reads and writes to Places, so we specifically exclude
+- // Borrows and AddressOf.
++ // Borrow and RawBorrow.
+ match context {
+ PlaceContext::MutatingUse(
+ MutatingUseContext::Store
+diff --git a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs
+index 370e930b74098..71af099199ea9 100644
+--- a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs
++++ b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs
+@@ -40,7 +40,7 @@ impl<'tcx> Visitor<'tcx> for DeduceReadOnly {
+ // This is a mutation, so mark it as such.
+ true
+ }
+- PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf) => {
++ PlaceContext::NonMutatingUse(NonMutatingUseContext::RawBorrow) => {
+ // Whether mutating though a `&raw const` is allowed is still undecided, so we
+ // disable any sketchy `readonly` optimizations for now.
+ // But we only need to do this if the pointer would point into the argument.
+diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs
+index 054cdbc6bad9f..ed924761892c7 100644
+--- a/compiler/rustc_mir_transform/src/dest_prop.rs
++++ b/compiler/rustc_mir_transform/src/dest_prop.rs
+@@ -576,7 +576,7 @@ impl WriteInfo {
+ Rvalue::ThreadLocalRef(_)
+ | Rvalue::NullaryOp(_, _)
+ | Rvalue::Ref(_, _, _)
+- | Rvalue::AddressOf(_, _)
++ | Rvalue::RawPtr(_, _)
+ | Rvalue::Len(_)
+ | Rvalue::Discriminant(_)
+ | Rvalue::CopyForDeref(_) => (),
+diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs
+index e16911d79c378..90e3ba26a438e 100644
+--- a/compiler/rustc_mir_transform/src/gvn.rs
++++ b/compiler/rustc_mir_transform/src/gvn.rs
+@@ -45,7 +45,7 @@
+ //!
+ //! # Handling of references
+ //!
+-//! We handle references by assigning a different "provenance" index to each Ref/AddressOf rvalue.
++//! We handle references by assigning a different "provenance" index to each Ref/RawPtr rvalue.
+ //! This ensure that we do not spuriously merge borrows that should not be merged. Meanwhile, we
+ //! consider all the derefs of an immutable reference to a freeze type to give the same value:
+ //! ```ignore (MIR)
+@@ -832,7 +832,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
+ self.simplify_place_projection(place, location);
+ return self.new_pointer(*place, AddressKind::Ref(borrow_kind));
+ }
+- Rvalue::AddressOf(mutbl, ref mut place) => {
++ Rvalue::RawPtr(mutbl, ref mut place) => {
+ self.simplify_place_projection(place, location);
+ return self.new_pointer(*place, AddressKind::Address(mutbl));
+ }
+diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs
+index 1589653968c2e..3ec553d0ba0c5 100644
+--- a/compiler/rustc_mir_transform/src/instsimplify.rs
++++ b/compiler/rustc_mir_transform/src/instsimplify.rs
+@@ -141,7 +141,7 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> {
+
+ /// Transform `&(*a)` ==> `a`.
+ fn simplify_ref_deref(&self, source_info: &SourceInfo, rvalue: &mut Rvalue<'tcx>) {
+- if let Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) = rvalue {
++ if let Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) = rvalue {
+ if let Some((base, ProjectionElem::Deref)) = place.as_ref().last_projection() {
+ if rvalue.ty(self.local_decls, self.tcx) != base.ty(self.local_decls, self.tcx).ty {
+ return;
+diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs
+index 7202cc2d0427e..7eed47cf2398e 100644
+--- a/compiler/rustc_mir_transform/src/known_panics_lint.rs
++++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs
+@@ -419,8 +419,8 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
+ }
+
+ // Do not try creating references (#67862)
+- Rvalue::AddressOf(_, place) | Rvalue::Ref(_, _, place) => {
+- trace!("skipping AddressOf | Ref for {:?}", place);
++ Rvalue::RawPtr(_, place) | Rvalue::Ref(_, _, place) => {
++ trace!("skipping RawPtr | Ref for {:?}", place);
+
+ // This may be creating mutable references or immutable references to cells.
+ // If that happens, the pointed to value could be mutated via that reference.
+@@ -616,7 +616,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
+ ImmTy::from_scalar(Scalar::from_target_usize(len, self), layout).into()
+ }
+
+- Ref(..) | AddressOf(..) => return None,
++ Ref(..) | RawPtr(..) => return None,
+
+ NullaryOp(ref null_op, ty) => {
+ let op_layout = self.use_ecx(|this| this.ecx.layout_of(ty))?;
+@@ -969,9 +969,9 @@ impl<'tcx> Visitor<'tcx> for CanConstProp {
+ // mutation.
+ | NonMutatingUse(NonMutatingUseContext::SharedBorrow)
+ | NonMutatingUse(NonMutatingUseContext::FakeBorrow)
+- | NonMutatingUse(NonMutatingUseContext::AddressOf)
++ | NonMutatingUse(NonMutatingUseContext::RawBorrow)
+ | MutatingUse(MutatingUseContext::Borrow)
+- | MutatingUse(MutatingUseContext::AddressOf) => {
++ | MutatingUse(MutatingUseContext::RawBorrow) => {
+ trace!("local {:?} can't be propagated because it's used: {:?}", local, context);
+ self.can_const_prop[local] = ConstPropMode::NoPropagation;
+ }
+diff --git a/compiler/rustc_mir_transform/src/large_enums.rs b/compiler/rustc_mir_transform/src/large_enums.rs
+index e407929c9a7fd..cbc3169f2f10a 100644
+--- a/compiler/rustc_mir_transform/src/large_enums.rs
++++ b/compiler/rustc_mir_transform/src/large_enums.rs
+@@ -214,7 +214,7 @@ impl EnumSizeOpt {
+ source_info,
+ kind: StatementKind::Assign(Box::new((
+ dst,
+- Rvalue::AddressOf(Mutability::Mut, *lhs),
++ Rvalue::RawPtr(Mutability::Mut, *lhs),
+ ))),
+ };
+
+@@ -238,7 +238,7 @@ impl EnumSizeOpt {
+ source_info,
+ kind: StatementKind::Assign(Box::new((
+ src,
+- Rvalue::AddressOf(Mutability::Not, *rhs),
++ Rvalue::RawPtr(Mutability::Not, *rhs),
+ ))),
+ };
+
+diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs
+index 48a3266ae6f0d..6e84914ef972c 100644
+--- a/compiler/rustc_mir_transform/src/promote_consts.rs
++++ b/compiler/rustc_mir_transform/src/promote_consts.rs
+@@ -551,7 +551,7 @@ impl<'tcx> Validator<'_, 'tcx> {
+ self.validate_operand(rhs)?;
+ }
+
+- Rvalue::AddressOf(_, place) => {
++ Rvalue::RawPtr(_, place) => {
+ // We accept `&raw *`, i.e., raw reborrows -- creating a raw pointer is
+ // no problem, only using it is.
+ if let Some((place_base, ProjectionElem::Deref)) = place.as_ref().last_projection()
+diff --git a/compiler/rustc_mir_transform/src/ref_prop.rs b/compiler/rustc_mir_transform/src/ref_prop.rs
+index 76e65099e9028..973a191d786e1 100644
+--- a/compiler/rustc_mir_transform/src/ref_prop.rs
++++ b/compiler/rustc_mir_transform/src/ref_prop.rs
+@@ -227,7 +227,7 @@ fn compute_replacement<'tcx>(
+ }
+ }
+ }
+- Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
++ Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
+ let mut place = *place;
+ // Try to see through `place` in order to collapse reborrow chains.
+ if place.projection.first() == Some(&PlaceElem::Deref)
+diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
+index ea4f5fca59e67..9c3f903e0eab7 100644
+--- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
++++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
+@@ -343,7 +343,7 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> {
+ .tcx
+ .mk_place_elems(&[PlaceElem::Deref, PlaceElem::Field(field, field_ty)]),
+ };
+- self.put_temp_rvalue(Rvalue::AddressOf(Mutability::Mut, place))
++ self.put_temp_rvalue(Rvalue::RawPtr(Mutability::Mut, place))
+ }
+
+ /// If given Self is an enum puts `to_drop: *mut FieldTy` on top of
+@@ -363,7 +363,7 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> {
+ PlaceElem::Field(field, field_ty),
+ ]),
+ };
+- self.put_temp_rvalue(Rvalue::AddressOf(Mutability::Mut, place))
++ self.put_temp_rvalue(Rvalue::RawPtr(Mutability::Mut, place))
+ }
+
+ /// If given Self is an enum puts `to_drop: *mut FieldTy` on top of
+diff --git a/compiler/rustc_mir_transform/src/ssa.rs b/compiler/rustc_mir_transform/src/ssa.rs
+index fb870425f6ef8..76591f526250c 100644
+--- a/compiler/rustc_mir_transform/src/ssa.rs
++++ b/compiler/rustc_mir_transform/src/ssa.rs
+@@ -2,9 +2,9 @@
+ //! 1/ They are only assigned-to once, either as a function parameter, or in an assign statement;
+ //! 2/ This single assignment dominates all uses;
+ //!
+-//! As we do not track indirect assignments, a local that has its address taken (either by
+-//! AddressOf or by borrowing) is considered non-SSA. However, it is UB to modify through an
+-//! immutable borrow of a `Freeze` local. Those can still be considered to be SSA.
++//! As we do not track indirect assignments, a local that has its address taken (via a borrow or raw
++//! borrow operator) is considered non-SSA. However, it is UB to modify through an immutable borrow
++//! of a `Freeze` local. Those can still be considered to be SSA.
+
+ use rustc_data_structures::graph::dominators::Dominators;
+ use rustc_index::bit_set::BitSet;
+@@ -262,7 +262,7 @@ impl<'tcx> Visitor<'tcx> for SsaVisitor<'tcx, '_> {
+ PlaceContext::MutatingUse(MutatingUseContext::Projection)
+ | PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection) => bug!(),
+ // Anything can happen with raw pointers, so remove them.
+- PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf)
++ PlaceContext::NonMutatingUse(NonMutatingUseContext::RawBorrow)
+ | PlaceContext::MutatingUse(_) => {
+ self.assignments[local] = Set1::Many;
+ }
+diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs
+index 491ae1c0d083f..36908036796c1 100644
+--- a/compiler/rustc_mir_transform/src/validate.rs
++++ b/compiler/rustc_mir_transform/src/validate.rs
+@@ -1345,7 +1345,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
+ }
+ Rvalue::Repeat(_, _)
+ | Rvalue::ThreadLocalRef(_)
+- | Rvalue::AddressOf(_, _)
++ | Rvalue::RawPtr(_, _)
+ | Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::UbChecks, _)
+ | Rvalue::Discriminant(_) => {}
+ }
+diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs
+index da705e6f9598a..c442ca861d35b 100644
+--- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs
++++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs
+@@ -174,7 +174,7 @@ impl<'tcx> Stable<'tcx> for mir::Rvalue<'tcx> {
+ ThreadLocalRef(def_id) => {
+ stable_mir::mir::Rvalue::ThreadLocalRef(tables.crate_item(*def_id))
+ }
+- AddressOf(mutability, place) => {
++ RawPtr(mutability, place) => {
+ stable_mir::mir::Rvalue::AddressOf(mutability.stable(tables), place.stable(tables))
+ }
+ Len(place) => stable_mir::mir::Rvalue::Len(place.stable(tables)),
+diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs
+index 2492688352342..4ded935b801d3 100644
+--- a/compiler/rustc_ty_utils/src/consts.rs
++++ b/compiler/rustc_ty_utils/src/consts.rs
+@@ -192,7 +192,7 @@ fn recurse_build<'tcx>(
+ ExprKind::Borrow { arg, .. } => {
+ let arg_node = &body.exprs[*arg];
+
+- // Skip reborrows for now until we allow Deref/Borrow/AddressOf
++ // Skip reborrows for now until we allow Deref/Borrow/RawBorrow
+ // expressions.
+ // FIXME(generic_const_exprs): Verify/explain why this is sound
+ if let ExprKind::Deref { arg } = arg_node.kind {
+@@ -202,7 +202,7 @@ fn recurse_build<'tcx>(
+ }
+ }
+ // FIXME(generic_const_exprs): We may want to support these.
+- ExprKind::AddressOf { .. } | ExprKind::Deref { .. } => maybe_supported_error(
++ ExprKind::RawBorrow { .. } | ExprKind::Deref { .. } => maybe_supported_error(
+ GenericConstantTooComplexSub::AddressAndDerefNotSupported(node.span),
+ )?,
+ ExprKind::Repeat { .. } | ExprKind::Array { .. } => {
+@@ -343,7 +343,7 @@ impl<'a, 'tcx> IsThirPolymorphic<'a, 'tcx> {
+ | thir::ExprKind::VarRef { .. }
+ | thir::ExprKind::UpvarRef { .. }
+ | thir::ExprKind::Borrow { .. }
+- | thir::ExprKind::AddressOf { .. }
++ | thir::ExprKind::RawBorrow { .. }
+ | thir::ExprKind::Break { .. }
+ | thir::ExprKind::Continue { .. }
+ | thir::ExprKind::Return { .. }
+diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
+index 553af913ef9df..95fbf0b2ea20a 100644
+--- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
++++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
+@@ -110,7 +110,7 @@ fn check_rvalue<'tcx>(
+ ) -> McfResult {
+ match rvalue {
+ Rvalue::ThreadLocalRef(_) => Err((span, "cannot access thread local storage in const fn".into())),
+- Rvalue::Len(place) | Rvalue::Discriminant(place) | Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
++ Rvalue::Len(place) | Rvalue::Discriminant(place) | Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
+ check_place(tcx, *place, span, body, msrv)
+ },
+ Rvalue::CopyForDeref(place) => check_place(tcx, *place, span, body, msrv),
diff --git a/build/build-rust/soft_deprecate_the_addr_of_macros.patch b/build/build-rust/soft_deprecate_the_addr_of_macros.patch
@@ -0,0 +1,29 @@
+From b8464961a2681585a6231b93cd7e85e50022c2b3 Mon Sep 17 00:00:00 2001
+From: Ralf Jung <post@ralfj.de>
+Date: Sat, 13 Jul 2024 13:56:05 +0200
+Subject: [PATCH] soft-deprecate the addr_of macros
+
+diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs
+index 25d8f4a0adbd9..3fe5212cea779 100644
+--- a/library/core/src/ptr/mod.rs
++++ b/library/core/src/ptr/mod.rs
+@@ -2209,6 +2209,9 @@ impl<F: FnPtr> fmt::Debug for F {
+
+ /// Creates a `const` raw pointer to a place, without creating an intermediate reference.
+ ///
++/// `addr_of!(expr)` is equivalent to `&raw const expr`. The macro is *soft-deprecated*;
++/// use `&raw const` instead.
++///
+ /// Creating a reference with `&`/`&mut` is only allowed if the pointer is properly aligned
+ /// and points to initialized data. For cases where those requirements do not hold,
+ /// raw pointers should be used instead. However, `&expr as *const _` creates a reference
+@@ -2283,6 +2286,9 @@ pub macro addr_of($place:expr) {
+
+ /// Creates a `mut` raw pointer to a place, without creating an intermediate reference.
+ ///
++/// `addr_of_mut!(expr)` is equivalent to `&raw mut expr`. The macro is *soft-deprecated*;
++/// use `&raw mut` instead.
++///
+ /// Creating a reference with `&`/`&mut` is only allowed if the pointer is properly aligned
+ /// and points to initialized data. For cases where those requirements do not hold,
+ /// raw pointers should be used instead. However, `&mut expr as *mut _` creates a reference
diff --git a/build/build-rust/stabilize_raw_ref_op.patch b/build/build-rust/stabilize_raw_ref_op.patch
@@ -0,0 +1,118 @@
+From 79503dd742253cdca54f10aec9052ff477ccaf38 Mon Sep 17 00:00:00 2001
+From: Ralf Jung <post@ralfj.de>
+Date: Sat, 13 Jul 2024 13:53:56 +0200
+Subject: [PATCH] stabilize raw_ref_op
+
+diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs
+index 214a37bca03e2..5ab99fbac866f 100644
+--- a/compiler/rustc_ast_passes/src/feature_gate.rs
++++ b/compiler/rustc_ast_passes/src/feature_gate.rs
+@@ -539,7 +539,6 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session, features: &Features) {
+ }
+ }
+ gate_all!(gen_blocks, "gen blocks are experimental");
+- gate_all!(raw_ref_op, "raw address of syntax is experimental");
+ gate_all!(const_trait_impl, "const trait impls are experimental");
+ gate_all!(
+ half_open_range_patterns_in_slices,
+diff --git a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
+index e603ac566f4ec..ccbd5a78485d7 100644
+--- a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
++++ b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
+@@ -6,8 +6,7 @@
+ extern_types,
+ naked_functions,
+ thread_local,
+- repr_simd,
+- raw_ref_op
++ repr_simd
+ )]
+ #![no_core]
+ #![allow(dead_code, non_camel_case_types, internal_features)]
+diff --git a/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs b/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
+index 9f096e9022012..dcfa34cb729d8 100644
+--- a/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
++++ b/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
+@@ -2,7 +2,7 @@
+
+ #![feature(
+ no_core, unboxed_closures, start, lang_items, never_type, linkage,
+- extern_types, thread_local, raw_ref_op
++ extern_types, thread_local
+ )]
+ #![no_core]
+ #![allow(dead_code, internal_features, non_camel_case_types)]
+diff --git a/compiler/rustc_error_codes/src/error_codes/E0745.md b/compiler/rustc_error_codes/src/error_codes/E0745.md
+index 23ee7af30f418..32b28f3de949f 100644
+--- a/compiler/rustc_error_codes/src/error_codes/E0745.md
++++ b/compiler/rustc_error_codes/src/error_codes/E0745.md
+@@ -3,7 +3,6 @@ The address of temporary value was taken.
+ Erroneous code example:
+
+ ```compile_fail,E0745
+-# #![feature(raw_ref_op)]
+ fn temp_address() {
+ let ptr = &raw const 2; // error!
+ }
+@@ -15,7 +14,6 @@ In this example, `2` is destroyed right after the assignment, which means that
+ To avoid this error, first bind the temporary to a named local variable:
+
+ ```
+-# #![feature(raw_ref_op)]
+ fn temp_address() {
+ let val = 2;
+ let ptr = &raw const val; // ok!
+diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
+index 3d5ecbaae32a2..7838abca9b890 100644
+--- a/compiler/rustc_feature/src/accepted.rs
++++ b/compiler/rustc_feature/src/accepted.rs
+@@ -321,6 +321,8 @@ declare_features! (
+ (accepted, raw_dylib, "1.71.0", Some(58713)),
+ /// Allows keywords to be escaped for use as identifiers.
+ (accepted, raw_identifiers, "1.30.0", Some(48589)),
++ /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
++ (accepted, raw_ref_op, "CURRENT_RUSTC_VERSION", Some(64490)),
+ /// Allows relaxing the coherence rules such that
+ /// `impl<T> ForeignTrait<LocalType> for ForeignType<T>` is permitted.
+ (accepted, re_rebalance_coherence, "1.41.0", Some(55437)),
+diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
+index 459df9ea1b859..14e353f13ca49 100644
+--- a/compiler/rustc_feature/src/unstable.rs
++++ b/compiler/rustc_feature/src/unstable.rs
+@@ -565,8 +565,6 @@ declare_features! (
+ (unstable, precise_capturing, "1.79.0", Some(123432)),
+ /// Allows macro attributes on expressions, statements and non-inline modules.
+ (unstable, proc_macro_hygiene, "1.30.0", Some(54727)),
+- /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
+- (unstable, raw_ref_op, "1.41.0", Some(64490)),
+ /// Makes `&` and `&mut` patterns eat only one layer of references in Rust 2024.
+ (incomplete, ref_pat_eat_one_layer_2024, "1.79.0", Some(123076)),
+ /// Makes `&` and `&mut` patterns eat only one layer of references in Rust 2024—structural variant
+diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
+index e0917ba43e41c..422206ebbce07 100644
+--- a/compiler/rustc_parse/src/parser/expr.rs
++++ b/compiler/rustc_parse/src/parser/expr.rs
+@@ -851,7 +851,7 @@ impl<'a> Parser<'a> {
+ self.expect_and()?;
+ let has_lifetime = self.token.is_lifetime() && self.look_ahead(1, |t| t != &token::Colon);
+ let lifetime = has_lifetime.then(|| self.expect_lifetime()); // For recovery, see below.
+- let (borrow_kind, mutbl) = self.parse_borrow_modifiers(lo);
++ let (borrow_kind, mutbl) = self.parse_borrow_modifiers();
+ let attrs = self.parse_outer_attributes()?;
+ let expr = if self.token.is_range_separator() {
+ self.parse_expr_prefix_range(attrs)
+@@ -871,13 +871,12 @@ impl<'a> Parser<'a> {
+ }
+
+ /// Parse `mut?` or `raw [ const | mut ]`.
+- fn parse_borrow_modifiers(&mut self, lo: Span) -> (ast::BorrowKind, ast::Mutability) {
++ fn parse_borrow_modifiers(&mut self) -> (ast::BorrowKind, ast::Mutability) {
+ if self.check_keyword(kw::Raw) && self.look_ahead(1, Token::is_mutability) {
+ // `raw [ const | mut ]`.
+ let found_raw = self.eat_keyword(kw::Raw);
+ assert!(found_raw);
+ let mutability = self.parse_const_or_mut().unwrap();
+- self.psess.gated_spans.gate(sym::raw_ref_op, lo.to(self.prev_token.span));
+ (ast::BorrowKind::Raw, mutability)
+ } else {
+ // `mut?`
diff --git a/taskcluster/kinds/toolchain/rust.yml b/taskcluster/kinds/toolchain/rust.yml
@@ -117,6 +117,9 @@ linux64-rust-1.81-dev:
'--patch', 'stabilize-unsafe-attributes.patch',
'--patch', 'stabilize-iter_repeat_n.patch',
'--patch', 'stabilize-const_fn_floating_point_arithmetic.patch',
+ '--patch', 'stabilize_raw_ref_op.patch',
+ '--patch', 'soft_deprecate_the_addr_of_macros.patch',
+ '--patch', 'rename_AddressOf_to_RawBorrow_inside_the_compiler.patch',
'--channel', 'dev',
'--host', 'x86_64-unknown-linux-gnu',
'--target', 'x86_64-unknown-linux-gnu',
