Auto merge of rust-lang#131775 - Urgau:rollup-yc4a3sf, r=Urgau

Rollup of 10 pull requests Successful merges: - rust-lang#131582 (Add wasm32-unknown-emscripten platform support document) - rust-lang#131694 (Make fuchsia-test-runner.py compatible with new JSON output from llvm-readelf) - rust-lang#131700 (Fix match_same_arms in stable_mir) - rust-lang#131712 (Mark the unstable LazyCell::into_inner const) - rust-lang#131746 (Relax a memory order in `once_box`) - rust-lang#131754 (Don't report bivariance error when nesting a struct with field errors into another struct) - rust-lang#131760 (llvm: Match aarch64 data layout to new LLVM layout) - rust-lang#131764 (Fix unnecessary nesting in run-make test output directories) - rust-lang#131766 (Add mailmap entry for my dev-desktop setup) - rust-lang#131771 (Handle gracefully true/false in `cfg(target(..))` compact) r? `@ghost` `@rustbot` modify labels: rollup
rust-lang-ci · Oct 16, 2024 · 0037048 · 0037048
2 parents d829780 + e0e1e35
commit 0037048
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diff --git a/.mailmap b/.mailmap
@@ -280,6 +280,7 @@ Jerry Hardee <hardeejj9@gmail.com>
 Jesús Rubio <jesusprubio@gmail.com>
 Jethro Beekman <github@jbeekman.nl>
 Jian Zeng <knight42@mail.ustc.edu.cn>
+Jieyou Xu <jieyouxu@outlook.com> <39484203+jieyouxu@users.noreply.github.com>
 Jihyun Yu <j.yu@navercorp.com> <yjh0502@gmail.com>
 Jihyun Yu <j.yu@navercorp.com> jihyun <jihyun@nablecomm.com>
 Jihyun Yu <j.yu@navercorp.com> Jihyun Yu <jihyun@nclab.kaist.ac.kr>

diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs
@@ -723,7 +723,13 @@ pub fn eval_condition(
                     }
 
                     mis.iter().fold(true, |res, mi| {
-                        let mut mi = mi.meta_item().unwrap().clone();
+                        let Some(mut mi) = mi.meta_item().cloned() else {
+                            dcx.emit_err(session_diagnostics::CfgPredicateIdentifier {
+                                span: mi.span(),
+                            });
+                            return false;
+                        };
+
                         if let [seg, ..] = &mut mi.path.segments[..] {
                             seg.ident.name = Symbol::intern(&format!("target_{}", seg.ident.name));
                         }

diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
@@ -138,6 +138,16 @@ pub(crate) unsafe fn create_module<'ll>(
         }
     }
 
+    if llvm_version < (20, 0, 0) {
+        if sess.target.arch == "aarch64" || sess.target.arch.starts_with("arm64") {
+            // LLVM 20 defines three additional address spaces for alternate
+            // pointer kinds used in Windows.
+            // See https://github.com/llvm/llvm-project/pull/111879
+            target_data_layout =
+                target_data_layout.replace("-p270:32:32-p271:32:32-p272:64:64", "");
+        }
+    }
+
     // Ensure the data-layout values hardcoded remain the defaults.
     {
         let tm = crate::back::write::create_informational_target_machine(tcx.sess, false);

diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs
@@ -1875,24 +1875,15 @@ fn check_variances_for_type_defn<'tcx>(
     item: &'tcx hir::Item<'tcx>,
     hir_generics: &hir::Generics<'tcx>,
 ) {
-    let identity_args = ty::GenericArgs::identity_for_item(tcx, item.owner_id);
-
     match item.kind {
         ItemKind::Enum(..) | ItemKind::Struct(..) | ItemKind::Union(..) => {
-            for field in tcx.adt_def(item.owner_id).all_fields() {
-                if field.ty(tcx, identity_args).references_error() {
-                    return;
-                }
-            }
+            // Ok
         }
         ItemKind::TyAlias(..) => {
             assert!(
                 tcx.type_alias_is_lazy(item.owner_id),
                 "should not be computing variance of non-weak type alias"
             );
-            if tcx.type_of(item.owner_id).skip_binder().references_error() {
-                return;
-            }
         }
         kind => span_bug!(item.span, "cannot compute the variances of {kind:?}"),
     }
@@ -1955,6 +1946,15 @@ fn check_variances_for_type_defn<'tcx>(
             continue;
         }
 
+        // Look for `ErrorGuaranteed` deeply within this type.
+        if let ControlFlow::Break(ErrorGuaranteed { .. }) = tcx
+            .type_of(item.owner_id)
+            .instantiate_identity()
+            .visit_with(&mut HasErrorDeep { tcx, seen: Default::default() })
+        {
+            continue;
+        }
+
         match hir_param.name {
             hir::ParamName::Error => {}
             _ => {
@@ -1965,6 +1965,46 @@ fn check_variances_for_type_defn<'tcx>(
     }
 }
 
+/// Look for `ErrorGuaranteed` deeply within structs' (unsubstituted) fields.
+struct HasErrorDeep<'tcx> {
+    tcx: TyCtxt<'tcx>,
+    seen: FxHashSet<DefId>,
+}
+impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for HasErrorDeep<'tcx> {
+    type Result = ControlFlow<ErrorGuaranteed>;
+
+    fn visit_ty(&mut self, ty: Ty<'tcx>) -> Self::Result {
+        match *ty.kind() {
+            ty::Adt(def, _) => {
+                if self.seen.insert(def.did()) {
+                    for field in def.all_fields() {
+                        self.tcx.type_of(field.did).instantiate_identity().visit_with(self)?;
+                    }
+                }
+            }
+            ty::Error(guar) => return ControlFlow::Break(guar),
+            _ => {}
+        }
+        ty.super_visit_with(self)
+    }
+
+    fn visit_region(&mut self, r: ty::Region<'tcx>) -> Self::Result {
+        if let Err(guar) = r.error_reported() {
+            ControlFlow::Break(guar)
+        } else {
+            ControlFlow::Continue(())
+        }
+    }
+
+    fn visit_const(&mut self, c: ty::Const<'tcx>) -> Self::Result {
+        if let Err(guar) = c.error_reported() {
+            ControlFlow::Break(guar)
+        } else {
+            ControlFlow::Continue(())
+        }
+    }
+}
+
 fn report_bivariance<'tcx>(
     tcx: TyCtxt<'tcx>,
     param: &'tcx hir::GenericParam<'tcx>,

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             mcount: "\u{1}mcount".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a12".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(false),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a16".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(false),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a16".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+v8a,+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs
@@ -12,7 +12,8 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
+            .into(),
         arch,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_kmc_solid_asp3.rs b/compiler/rustc_target/src/spec/targets/aarch64_kmc_solid_asp3.rs
@@ -11,7 +11,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             linker: Some("aarch64-kmc-elf-gcc".into()),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_linux_android.rs b/compiler/rustc_target/src/spec/targets/aarch64_linux_android.rs
@@ -13,7 +13,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             max_atomic_width: Some(128),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_nintendo_switch_freestanding.rs b/compiler/rustc_target/src/spec/targets/aarch64_nintendo_switch_freestanding.rs
@@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
             std: Some(false),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_gnullvm.rs b/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_gnullvm.rs
@@ -15,7 +15,9 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout:
+            "e-m:w-p270:32:32-p271:32:32-p272:64:64-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32"
+                .into(),
         arch: "aarch64".into(),
         options: base,
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/targets/aarch64_pc_windows_msvc.rs
@@ -14,7 +14,9 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout:
+            "e-m:w-p270:32:32-p271:32:32-p272:64:64-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32"
+                .into(),
         arch: "aarch64".into(),
         options: base,
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_freebsd.rs
@@ -10,7 +10,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_fuchsia.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_fuchsia.rs
@@ -10,7 +10,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_hermit.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_hermit.rs
@@ -11,7 +11,7 @@ pub(crate) fn target() -> Target {
         },
         pointer_width: 64,
         arch: "aarch64".into(),
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         options: TargetOptions {
             features: "+v8a,+strict-align,+neon,+fp-armv8".into(),
             max_atomic_width: Some(128),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_illumos.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_illumos.rs
@@ -18,7 +18,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: base,
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_gnu.rs
@@ -10,7 +10,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a,+outline-atomics".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_musl.rs
@@ -21,7 +21,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions { mcount: "\u{1}_mcount".into(), ..base },
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_ohos.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_ohos.rs
@@ -13,7 +13,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+reserve-x18".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_netbsd.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_netbsd.rs
@@ -10,7 +10,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none.rs
@@ -37,7 +37,7 @@ pub(crate) fn target() -> Target {
             std: Some(false),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: opts,
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs
@@ -32,7 +32,7 @@ pub(crate) fn target() -> Target {
             std: Some(false),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: opts,
     }

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_nto_qnx700.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_nto_qnx700.rs
@@ -22,7 +22,7 @@ pub(crate) fn target() -> Target {
         // i128:128  = 128-bit-integer, minimum_alignment=128, preferred_alignment=128
         // n32:64    = 32 and 64 are native integer widths; Elements of this set are considered to support most general arithmetic operations efficiently.
         // S128      = 128 bits are the natural alignment of the stack in bits.
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_openbsd.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_openbsd.rs
@@ -10,7 +10,7 @@ pub(crate) fn target() -> Target {
             std: Some(true),
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: TargetOptions {
             features: "+v8a".into(),

diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_redox.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_redox.rs
@@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
             std: None, // ?
         },
         pointer_width: 64,
-        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
         arch: "aarch64".into(),
         options: base,
     }