Change x64 size checks to not apply to x32.

hvdijk · hvdijk · commit 95e096d62372 · 2021-03-06T16:02:48.000Z
Rust contains various size checks conditional on target_arch = "x86_64",
but these checks were never intended to apply to
x86_64-unknown-linux-gnux32. Add target_pointer_width = "64" to the
conditions.
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs
@@ -1083,7 +1083,7 @@ pub struct Expr {
 }
 
 // `Expr` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Expr, 120);
 
 impl Expr {
@@ -2757,7 +2757,7 @@ pub enum ItemKind {
     MacroDef(MacroDef),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(ItemKind, 112);
 
 impl ItemKind {
@@ -2831,7 +2831,7 @@ pub enum AssocItemKind {
     MacCall(MacCall),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(AssocItemKind, 72);
 
 impl AssocItemKind {
@@ -2883,7 +2883,7 @@ pub enum ForeignItemKind {
     MacCall(MacCall),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(ForeignItemKind, 72);
 
 impl From<ForeignItemKind> for ItemKind {
diff --git a/compiler/rustc_ast/src/token.rs b/compiler/rustc_ast/src/token.rs
@@ -244,7 +244,7 @@ pub enum TokenKind {
 }
 
 // `TokenKind` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(TokenKind, 16);
 
 #[derive(Clone, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
@@ -682,7 +682,7 @@ pub enum Nonterminal {
 }
 
 // `Nonterminal` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Nonterminal, 48);
 
 #[derive(Debug, Copy, Clone, PartialEq, Encodable, Decodable)]
diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs
@@ -189,7 +189,7 @@ pub struct TokenStream(pub(crate) Lrc<Vec<TreeAndSpacing>>);
 pub type TreeAndSpacing = (TokenTree, Spacing);
 
 // `TokenStream` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(TokenStream, 8);
 
 #[derive(Clone, Copy, Debug, PartialEq, Encodable, Decodable)]
diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
@@ -52,7 +52,7 @@ pub type PResult<'a, T> = Result<T, DiagnosticBuilder<'a>>;
 
 // `PResult` is used a lot. Make sure it doesn't unintentionally get bigger.
 // (See also the comment on `DiagnosticBuilderInner`.)
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(PResult<'_, bool>, 16);
 
 #[derive(Debug, PartialEq, Eq, Clone, Copy, Hash, Encodable, Decodable)]
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
@@ -3088,7 +3088,7 @@ impl<'hir> Node<'hir> {
 }
 
 // Some nodes are used a lot. Make sure they don't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 mod size_asserts {
     rustc_data_structures::static_assert_size!(super::Block<'static>, 48);
     rustc_data_structures::static_assert_size!(super::Expr<'static>, 72);
diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs
@@ -408,7 +408,7 @@ pub enum SubregionOrigin<'tcx> {
 }
 
 // `SubregionOrigin` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(SubregionOrigin<'_>, 32);
 
 /// Times when we replace late-bound regions with variables:
diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
@@ -27,7 +27,7 @@
 
 #[macro_use]
 extern crate rustc_macros;
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 #[macro_use]
 extern crate rustc_data_structures;
 #[macro_use]
diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs
@@ -56,7 +56,7 @@ pub type PredicateObligation<'tcx> = Obligation<'tcx, ty::Predicate<'tcx>>;
 pub type TraitObligation<'tcx> = Obligation<'tcx, ty::PolyTraitPredicate<'tcx>>;
 
 // `PredicateObligation` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(PredicateObligation<'_>, 32);
 
 pub type PredicateObligations<'tcx> = Vec<PredicateObligation<'tcx>>;
diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs
@@ -40,7 +40,7 @@ pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<'
     struct_span_err!(tcx.sess, tcx.span, E0080, "{}", msg)
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(InterpErrorInfo<'_>, 8);
 
 /// Packages the kind of error we got from the const code interpreter
@@ -444,7 +444,7 @@ impl dyn MachineStopType {
     }
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(InterpError<'_>, 72);
 
 pub enum InterpError<'tcx> {
diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs
@@ -44,7 +44,7 @@ pub enum ConstValue<'tcx> {
     },
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(ConstValue<'_>, 32);
 
 impl<'tcx> ConstValue<'tcx> {
@@ -111,7 +111,7 @@ pub enum Scalar<Tag = ()> {
     Ptr(Pointer<Tag>),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(Scalar, 24);
 
 // We want the `Debug` output to be readable as it is used by `derive(Debug)` for
@@ -509,7 +509,7 @@ pub enum ScalarMaybeUninit<Tag = ()> {
     Uninit,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(ScalarMaybeUninit, 24);
 
 impl<Tag> From<Scalar<Tag>> for ScalarMaybeUninit<Tag> {
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
@@ -951,7 +951,7 @@ pub struct LocalDecl<'tcx> {
 }
 
 // `LocalDecl` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(LocalDecl<'_>, 56);
 
 /// Extra information about a some locals that's used for diagnostics and for
@@ -1468,7 +1468,7 @@ pub struct Statement<'tcx> {
 }
 
 // `Statement` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(Statement<'_>, 32);
 
 impl Statement<'_> {
@@ -1752,7 +1752,7 @@ impl<V, T> ProjectionElem<V, T> {
 pub type PlaceElem<'tcx> = ProjectionElem<Local, Ty<'tcx>>;
 
 // At least on 64 bit systems, `PlaceElem` should not be larger than two pointers.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(PlaceElem<'_>, 24);
 
 /// Alias for projections as they appear in `UserTypeProjection`, where we
diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs
@@ -17,7 +17,7 @@ pub struct PlaceTy<'tcx> {
 }
 
 // At least on 64 bit systems, `PlaceTy` should not be larger than two or three pointers.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(PlaceTy<'_>, 16);
 
 impl<'tcx> PlaceTy<'tcx> {
diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs
@@ -340,7 +340,7 @@ impl ObligationCauseCode<'_> {
 }
 
 // `ObligationCauseCode` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(ObligationCauseCode<'_>, 32);
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs
@@ -23,7 +23,7 @@ pub struct Const<'tcx> {
     pub val: ConstKind<'tcx>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(Const<'_>, 48);
 
 impl<'tcx> Const<'tcx> {
diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs
@@ -37,7 +37,7 @@ pub enum ConstKind<'tcx> {
     Error(ty::DelaySpanBugEmitted),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(ConstKind<'_>, 40);
 
 impl<'tcx> ConstKind<'tcx> {
diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs
@@ -483,7 +483,7 @@ impl<'tcx> TyS<'tcx> {
 }
 
 // `TyS` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(TyS<'_>, 32);
 
 impl<'tcx> Ord for TyS<'tcx> {
@@ -1030,7 +1030,7 @@ crate struct PredicateInner<'tcx> {
     outer_exclusive_binder: ty::DebruijnIndex,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(PredicateInner<'_>, 40);
 
 #[derive(Clone, Copy, Lift)]
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
@@ -231,7 +231,7 @@ impl TyKind<'tcx> {
 }
 
 // `TyKind` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(TyKind<'_>, 24);
 
 /// A closure can be modeled as a struct that looks like:
diff --git a/compiler/rustc_mir/src/interpret/operand.rs b/compiler/rustc_mir/src/interpret/operand.rs
@@ -32,7 +32,7 @@ pub enum Immediate<Tag = ()> {
     ScalarPair(ScalarMaybeUninit<Tag>, ScalarMaybeUninit<Tag>),
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Immediate, 56);
 
 impl<Tag> From<ScalarMaybeUninit<Tag>> for Immediate<Tag> {
@@ -95,7 +95,7 @@ pub struct ImmTy<'tcx, Tag = ()> {
     pub layout: TyAndLayout<'tcx>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(ImmTy<'_>, 72);
 
 impl<Tag: Copy> std::fmt::Display for ImmTy<'tcx, Tag> {
@@ -162,7 +162,7 @@ pub struct OpTy<'tcx, Tag = ()> {
     pub layout: TyAndLayout<'tcx>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(OpTy<'_, ()>, 80);
 
 impl<'tcx, Tag> std::ops::Deref for OpTy<'tcx, Tag> {
diff --git a/compiler/rustc_mir/src/interpret/place.rs b/compiler/rustc_mir/src/interpret/place.rs
@@ -33,7 +33,7 @@ pub enum MemPlaceMeta<Tag = ()> {
     Poison,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(MemPlaceMeta, 24);
 
 impl<Tag> MemPlaceMeta<Tag> {
@@ -74,7 +74,7 @@ pub struct MemPlace<Tag = ()> {
     pub meta: MemPlaceMeta<Tag>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(MemPlace, 56);
 
 #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable)]
@@ -87,7 +87,7 @@ pub enum Place<Tag = ()> {
     Local { frame: usize, local: mir::Local },
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Place, 64);
 
 #[derive(Copy, Clone, Debug)]
@@ -96,7 +96,7 @@ pub struct PlaceTy<'tcx, Tag = ()> {
     pub layout: TyAndLayout<'tcx>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(PlaceTy<'_>, 80);
 
 impl<'tcx, Tag> std::ops::Deref for PlaceTy<'tcx, Tag> {
@@ -114,7 +114,7 @@ pub struct MPlaceTy<'tcx, Tag = ()> {
     pub layout: TyAndLayout<'tcx>,
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(MPlaceTy<'_>, 72);
 
 impl<'tcx, Tag> std::ops::Deref for MPlaceTy<'tcx, Tag> {
diff --git a/compiler/rustc_mir_build/src/thir/mod.rs b/compiler/rustc_mir_build/src/thir/mod.rs
@@ -96,7 +96,7 @@ crate enum StmtKind<'tcx> {
 }
 
 // `Expr` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Expr<'_>, 168);
 
 /// The Thir trait implementor lowers their expressions (`&'tcx H::Expr`)
diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs
@@ -23,7 +23,7 @@
 
 #[macro_use]
 extern crate rustc_macros;
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 #[macro_use]
 extern crate rustc_data_structures;
 #[macro_use]
diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs
@@ -87,7 +87,7 @@ pub struct PendingPredicateObligation<'tcx> {
 }
 
 // `PendingPredicateObligation` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 static_assert_size!(PendingPredicateObligation<'_>, 56);
 
 impl<'a, 'tcx> FulfillmentContext<'tcx> {
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
@@ -93,7 +93,7 @@ crate struct Item {
 }
 
 // `Item` is used a lot. Make sure it doesn't unintentionally get bigger.
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 rustc_data_structures::static_assert_size!(Item, 48);
 
 impl fmt::Debug for Item {

Original file line number	Diff line number	Diff line change
`@@ -244,7 +244,7 @@ pub enum TokenKind {`
`244`	`244`	`}`
`245`	`245`
`246`	`246`	// `TokenKind` is used a lot. Make sure it doesn't unintentionally get bigger.
`247`		`-#[cfg(target_arch = "x86_64")]`
	`247`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`248`	`248`	`rustc_data_structures::static_assert_size!(TokenKind, 16);`
`249`	`249`
`250`	`250`	`#[derive(Clone, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]`
`@@ -682,7 +682,7 @@ pub enum Nonterminal {`
`682`	`682`	`}`
`683`	`683`
`684`	`684`	// `Nonterminal` is used a lot. Make sure it doesn't unintentionally get bigger.
`685`		`-#[cfg(target_arch = "x86_64")]`
	`685`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`686`	`686`	`rustc_data_structures::static_assert_size!(Nonterminal, 48);`
`687`	`687`
`688`	`688`	`#[derive(Debug, Copy, Clone, PartialEq, Encodable, Decodable)]`
Original file line number	Diff line number	Diff line change
`@@ -3088,7 +3088,7 @@ impl<'hir> Node<'hir> {`
`3088`	`3088`	`}`
`3089`	`3089`
`3090`	`3090`	`// Some nodes are used a lot. Make sure they don't unintentionally get bigger.`
`3091`		`-#[cfg(target_arch = "x86_64")]`
	`3091`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`3092`	`3092`	`mod size_asserts {`
`3093`	`3093`	`rustc_data_structures::static_assert_size!(super::Block<'static>, 48);`
`3094`	`3094`	`rustc_data_structures::static_assert_size!(super::Expr<'static>, 72);`
Original file line number	Diff line number	Diff line change
`@@ -408,7 +408,7 @@ pub enum SubregionOrigin<'tcx> {`
`408`	`408`	`}`
`409`	`409`
`410`	`410`	// `SubregionOrigin` is used a lot. Make sure it doesn't unintentionally get bigger.
`411`		`-#[cfg(target_arch = "x86_64")]`
	`411`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`412`	`412`	`static_assert_size!(SubregionOrigin<'_>, 32);`
`413`	`413`
`414`	`414`	`/// Times when we replace late-bound regions with variables:`
Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<'`
`40`	`40`	`struct_span_err!(tcx.sess, tcx.span, E0080, "{}", msg)`
`41`	`41`	`}`
`42`	`42`
`43`		`-#[cfg(target_arch = "x86_64")]`
	`43`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`44`	`44`	`static_assert_size!(InterpErrorInfo<'_>, 8);`
`45`	`45`
`46`	`46`	`/// Packages the kind of error we got from the const code interpreter`
`@@ -444,7 +444,7 @@ impl dyn MachineStopType {`
`444`	`444`	`}`
`445`	`445`	`}`
`446`	`446`
`447`		`-#[cfg(target_arch = "x86_64")]`
	`447`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`448`	`448`	`static_assert_size!(InterpError<'_>, 72);`
`449`	`449`
`450`	`450`	`pub enum InterpError<'tcx> {`
Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ pub enum ConstValue<'tcx> {`
`44`	`44`	`},`
`45`	`45`	`}`
`46`	`46`
`47`		`-#[cfg(target_arch = "x86_64")]`
	`47`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`48`	`48`	`static_assert_size!(ConstValue<'_>, 32);`
`49`	`49`
`50`	`50`	`impl<'tcx> ConstValue<'tcx> {`
`@@ -111,7 +111,7 @@ pub enum Scalar<Tag = ()> {`
`111`	`111`	`Ptr(Pointer<Tag>),`
`112`	`112`	`}`
`113`	`113`
`114`		`-#[cfg(target_arch = "x86_64")]`
	`114`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`115`	`115`	`static_assert_size!(Scalar, 24);`
`116`	`116`
`117`	`117`	// We want the `Debug` output to be readable as it is used by `derive(Debug)` for
`@@ -509,7 +509,7 @@ pub enum ScalarMaybeUninit<Tag = ()> {`
`509`	`509`	`Uninit,`
`510`	`510`	`}`
`511`	`511`
`512`		`-#[cfg(target_arch = "x86_64")]`
	`512`	`+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]`
`513`	`513`	`static_assert_size!(ScalarMaybeUninit, 24);`
`514`	`514`
`515`	`515`	`impl<Tag> From<Scalar<Tag>> for ScalarMaybeUninit<Tag> {`