Merge from rustc

Author: The Miri Cronjob Bot

Cargo.lock

@@ -3301,6 +3301,7 @@ version = "0.0.0"
 dependencies = [
  "itertools",
  "rustc_ast",
+ "rustc_data_structures",
  "rustc_lexer",
  "rustc_span",
  "thin-vec",
@@ -3621,6 +3622,7 @@ version = "0.0.0"
 dependencies = [
  "annotate-snippets 0.11.4",
  "derive_setters",
+ "rustc_abi",
  "rustc_ast",
  "rustc_ast_pretty",
  "rustc_data_structures",
@@ -3718,6 +3720,7 @@ name = "rustc_hir_analysis"
 version = "0.0.0"
 dependencies = [
  "itertools",
+ "rustc_abi",
  "rustc_arena",
  "rustc_ast",
  "rustc_attr",
@@ -3906,6 +3909,7 @@ dependencies = [
 name = "rustc_lint"
 version = "0.0.0"
 dependencies = [
+ "rustc_abi",
  "rustc_ast",
  "rustc_ast_pretty",
  "rustc_attr",
@@ -3980,6 +3984,7 @@ dependencies = [
  "bitflags 2.6.0",
  "libloading",
  "odht",
+ "rustc_abi",
  "rustc_ast",
  "rustc_attr",
  "rustc_data_structures",
@@ -4029,6 +4034,7 @@ dependencies = [
  "rustc_hir",
  "rustc_hir_pretty",
  "rustc_index",
+ "rustc_lint_defs",
  "rustc_macros",
  "rustc_query_system",
  "rustc_serialize",
@@ -4073,6 +4079,7 @@ version = "0.0.0"
 dependencies = [
  "polonius-engine",
  "regex",
+ "rustc_abi",
  "rustc_ast",
  "rustc_data_structures",
  "rustc_errors",
@@ -4094,6 +4101,7 @@ version = "0.0.0"
 dependencies = [
  "either",
  "itertools",
+ "rustc_abi",
  "rustc_arena",
  "rustc_ast",
  "rustc_attr",
@@ -4186,6 +4194,7 @@ dependencies = [
 name = "rustc_passes"
 version = "0.0.0"
 dependencies = [
+ "rustc_abi",
  "rustc_ast",
  "rustc_ast_pretty",
  "rustc_attr",
@@ -4212,6 +4221,7 @@ name = "rustc_pattern_analysis"
 version = "0.0.0"
 dependencies = [
  "rustc-hash 2.0.0",
+ "rustc_abi",
  "rustc_apfloat",
  "rustc_arena",
  "rustc_data_structures",
@@ -4351,6 +4361,7 @@ dependencies = [
  "bitflags 2.6.0",
  "getopts",
  "libc",
+ "rustc_abi",
  "rustc_ast",
  "rustc_data_structures",
  "rustc_errors",
@@ -4414,6 +4425,7 @@ version = "0.0.0"
 dependencies = [
  "punycode",
  "rustc-demangle",
+ "rustc_abi",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_hir",
@@ -4495,14 +4507,14 @@ name = "rustc_transmute"
 version = "0.0.0"
 dependencies = [
  "itertools",
+ "rustc_abi",
  "rustc_ast_ir",
  "rustc_data_structures",
  "rustc_hir",
  "rustc_infer",
  "rustc_macros",
  "rustc_middle",
  "rustc_span",
- "rustc_target",
  "tracing",
 ]
 

RELEASES.md

@@ -68,15 +68,15 @@ Stabilized APIs
 - [`impl Default for std::collections::vec_deque::Iter`](https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.Iter.html#impl-Default-for-Iter%3C'_,+T%3E)
 - [`impl Default for std::collections::vec_deque::IterMut`](https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.IterMut.html#impl-Default-for-IterMut%3C'_,+T%3E)
 - [`Rc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit)
-- [`Rc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init)
+- [`Rc<MaybeUninit<T>>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init)
 - [`Rc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit_slice)
 - [`Rc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init-1)
 - [`Arc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit)
-- [`Arc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init)
+- [`Arc<MaybeUninit<T>>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init)
 - [`Arc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit_slice)
 - [`Arc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init-1)
 - [`Box<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit)
-- [`Box<T>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init)
+- [`Box<MaybeUninit<T>>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init)
 - [`Box<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit_slice)
 - [`Box<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init-1)
 - [`core::arch::x86_64::_bextri_u64`](https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bextri_u64.html)

compiler/rustc_abi/src/layout.rs

@@ -7,7 +7,7 @@ use tracing::debug;
 
 use crate::{
     Abi, AbiAndPrefAlign, Align, FieldsShape, HasDataLayout, IndexSlice, IndexVec, Integer,
-    LayoutS, Niche, NonZeroUsize, Primitive, ReprOptions, Scalar, Size, StructKind, TagEncoding,
+    LayoutData, Niche, NonZeroUsize, Primitive, ReprOptions, Scalar, Size, StructKind, TagEncoding,
     Variants, WrappingRange,
 };
 
@@ -26,9 +26,9 @@ fn absent<'a, FieldIdx, VariantIdx, F>(fields: &IndexSlice<FieldIdx, F>) -> bool
 where
     FieldIdx: Idx,
     VariantIdx: Idx,
-    F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug,
+    F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
 {
-    let uninhabited = fields.iter().any(|f| f.abi.is_uninhabited());
+    let uninhabited = fields.iter().any(|f| f.is_uninhabited());
     // We cannot ignore alignment; that might lead us to entirely discard a variant and
     // produce an enum that is less aligned than it should be!
     let is_1zst = fields.iter().all(|f| f.is_1zst());
@@ -89,7 +89,7 @@ impl<F> LayoutCalculatorError<F> {
 }
 
 type LayoutCalculatorResult<FieldIdx, VariantIdx, F> =
-    Result<LayoutS<FieldIdx, VariantIdx>, LayoutCalculatorError<F>>;
+    Result<LayoutData<FieldIdx, VariantIdx>, LayoutCalculatorError<F>>;
 
 #[derive(Clone, Copy, Debug)]
 pub struct LayoutCalculator<Cx> {
@@ -105,7 +105,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         &self,
         a: Scalar,
         b: Scalar,
-    ) -> LayoutS<FieldIdx, VariantIdx> {
+    ) -> LayoutData<FieldIdx, VariantIdx> {
         let dl = self.cx.data_layout();
         let b_align = b.align(dl);
         let align = a.align(dl).max(b_align).max(dl.aggregate_align);
@@ -119,7 +119,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             .chain(Niche::from_scalar(dl, Size::ZERO, a))
             .max_by_key(|niche| niche.available(dl));
 
-        LayoutS {
+        LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Arbitrary {
                 offsets: [Size::ZERO, b_offset].into(),
@@ -138,7 +138,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         fields: &IndexSlice<FieldIdx, F>,
@@ -211,9 +211,9 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
 
     pub fn layout_of_never_type<FieldIdx: Idx, VariantIdx: Idx>(
         &self,
-    ) -> LayoutS<FieldIdx, VariantIdx> {
+    ) -> LayoutData<FieldIdx, VariantIdx> {
         let dl = self.cx.data_layout();
-        LayoutS {
+        LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Primitive,
             abi: Abi::Uninhabited,
@@ -229,7 +229,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -292,7 +292,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -384,7 +384,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             return Err(LayoutCalculatorError::EmptyUnion);
         };
 
-        Ok(LayoutS {
+        Ok(LayoutData {
             variants: Variants::Single { index: only_variant_idx },
             fields: FieldsShape::Union(union_field_count),
             abi,
@@ -401,7 +401,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -501,7 +501,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -516,8 +516,8 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         // overall LayoutS. Store the overall LayoutS
         // and the variant LayoutSs here until then.
         struct TmpLayout<FieldIdx: Idx, VariantIdx: Idx> {
-            layout: LayoutS<FieldIdx, VariantIdx>,
-            variants: IndexVec<VariantIdx, LayoutS<FieldIdx, VariantIdx>>,
+            layout: LayoutData<FieldIdx, VariantIdx>,
+            variants: IndexVec<VariantIdx, LayoutData<FieldIdx, VariantIdx>>,
         }
 
         let dl = self.cx.data_layout();
@@ -649,7 +649,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
                 Abi::Aggregate { sized: true }
             };
 
-            let layout = LayoutS {
+            let layout = LayoutData {
                 variants: Variants::Multiple {
                     tag: niche_scalar,
                     tag_encoding: TagEncoding::Niche {
@@ -681,7 +681,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         let discr_type = repr.discr_type();
         let bits = Integer::from_attr(dl, discr_type).size().bits();
         for (i, mut val) in discriminants {
-            if !repr.c() && variants[i].iter().any(|f| f.abi.is_uninhabited()) {
+            if !repr.c() && variants[i].iter().any(|f| f.is_uninhabited()) {
                 continue;
             }
             if discr_type.is_signed() {
@@ -958,7 +958,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
 
         let largest_niche = Niche::from_scalar(dl, Size::ZERO, tag);
 
-        let tagged_layout = LayoutS {
+        let tagged_layout = LayoutData {
             variants: Variants::Multiple {
                 tag,
                 tag_encoding: TagEncoding::Direct,
@@ -1013,7 +1013,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         fields: &IndexSlice<FieldIdx, F>,
@@ -1341,7 +1341,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             unadjusted_abi_align
         };
 
-        Ok(LayoutS {
+        Ok(LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Arbitrary { offsets, memory_index },
             abi,
@@ -1357,10 +1357,10 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
     >(
         &self,
-        layout: &LayoutS<FieldIdx, VariantIdx>,
+        layout: &LayoutData<FieldIdx, VariantIdx>,
         fields: &IndexSlice<FieldIdx, F>,
     ) -> String {
         let dl = self.cx.data_layout();

compiler/rustc_abi/src/layout/ty.rs

@@ -58,7 +58,7 @@ rustc_index::newtype_index! {
 }
 #[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable_Generic)]
 #[rustc_pass_by_value]
-pub struct Layout<'a>(pub Interned<'a, LayoutS<FieldIdx, VariantIdx>>);
+pub struct Layout<'a>(pub Interned<'a, LayoutData<FieldIdx, VariantIdx>>);
 
 impl<'a> fmt::Debug for Layout<'a> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -68,8 +68,8 @@ impl<'a> fmt::Debug for Layout<'a> {
 }
 
 impl<'a> Deref for Layout<'a> {
-    type Target = &'a LayoutS<FieldIdx, VariantIdx>;
-    fn deref(&self) -> &&'a LayoutS<FieldIdx, VariantIdx> {
+    type Target = &'a LayoutData<FieldIdx, VariantIdx>;
+    fn deref(&self) -> &&'a LayoutData<FieldIdx, VariantIdx> {
         &self.0.0
     }
 }
@@ -142,8 +142,8 @@ impl<'a, Ty: fmt::Display> fmt::Debug for TyAndLayout<'a, Ty> {
 }
 
 impl<'a, Ty> Deref for TyAndLayout<'a, Ty> {
-    type Target = &'a LayoutS<FieldIdx, VariantIdx>;
-    fn deref(&self) -> &&'a LayoutS<FieldIdx, VariantIdx> {
+    type Target = &'a LayoutData<FieldIdx, VariantIdx>;
+    fn deref(&self) -> &&'a LayoutData<FieldIdx, VariantIdx> {
         &self.layout.0.0
     }
 }