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i686-windows: make requested alignment > 4 special case apply transitively

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This commit is contained in:
Erik Desjardins 2023-07-14 17:48:13 -04:00
parent f297f3200f
commit 2daacf5af9
12 changed files with 113 additions and 115 deletions
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40
compiler/rustc_abi/src/layout.rs
View file

@ -40,7 +40,7 @@ fn scalar_pair(&self, a: Scalar, b: Scalar) -> LayoutS {
largest_niche,
align,
size,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: align.abi,
}
}
@ -124,7 +124,7 @@ fn layout_of_never_type(&self) -> LayoutS {
largest_niche: None,
align: dl.i8_align,
size: Size::ZERO,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: dl.i8_align.abi,
}
}
@ -293,6 +293,7 @@ struct TmpLayout {
}
let mut align = dl.aggregate_align;
let mut max_repr_align = repr.align;
let mut unadjusted_abi_align = align.abi;
let mut variant_layouts = variants
@ -302,6 +303,7 @@ struct TmpLayout {
st.variants = Variants::Single { index: j };
align = align.max(st.align);
max_repr_align = max_repr_align.max(st.max_repr_align);
unadjusted_abi_align = unadjusted_abi_align.max(st.unadjusted_abi_align);
Some(st)
@ -429,7 +431,7 @@ struct TmpLayout {
largest_niche,
size,
align,
repr_align: repr.align,
max_repr_align,
unadjusted_abi_align,
};
@ -465,6 +467,7 @@ struct TmpLayout {
let (min_ity, signed) = discr_range_of_repr(min, max); //Integer::repr_discr(tcx, ty, &repr, min, max);
let mut align = dl.aggregate_align;
let mut max_repr_align = repr.align;
let mut unadjusted_abi_align = align.abi;
let mut size = Size::ZERO;
@ -509,6 +512,7 @@ struct TmpLayout {
}
size = cmp::max(size, st.size);
align = align.max(st.align);
max_repr_align = max_repr_align.max(st.max_repr_align);
unadjusted_abi_align = unadjusted_abi_align.max(st.unadjusted_abi_align);
Some(st)
})
@ -703,7 +707,7 @@ struct TmpLayout {
abi,
align,
size,
repr_align: repr.align,
max_repr_align,
unadjusted_abi_align,
};
@ -744,6 +748,7 @@ fn layout_of_union(
let dl = self.current_data_layout();
let dl = dl.borrow();
let mut align = if repr.pack.is_some() { dl.i8_align } else { dl.aggregate_align };
let mut max_repr_align = repr.align;
// If all the non-ZST fields have the same ABI and union ABI optimizations aren't
// disabled, we can use that common ABI for the union as a whole.
@ -761,6 +766,7 @@ fn layout_of_union(
assert!(field.0.is_sized());
align = align.max(field.align());
max_repr_align = max_repr_align.max(field.max_repr_align());
size = cmp::max(size, field.size());
if field.0.is_zst() {
@ -827,7 +833,7 @@ fn layout_of_union(
largest_niche: None,
align,
size: size.align_to(align.abi),
repr_align: repr.align,
max_repr_align,
unadjusted_abi_align,
})
}
@ -849,6 +855,7 @@ fn univariant(
) -> Option<LayoutS> {
let pack = repr.pack;
let mut align = if pack.is_some() { dl.i8_align } else { dl.aggregate_align };
let mut max_repr_align = repr.align;
let mut inverse_memory_index: IndexVec<u32, FieldIdx> = fields.indices().collect();
let optimize = !repr.inhibit_struct_field_reordering_opt();
if optimize && fields.len() > 1 {
@ -1017,6 +1024,7 @@ fn univariant(
};
offset = offset.align_to(field_align.abi);
align = align.max(field_align);
max_repr_align = max_repr_align.max(field.max_repr_align());
debug!("univariant offset: {:?} field: {:#?}", offset, field);
offsets[i] = offset;
@ -1133,28 +1141,16 @@ fn univariant(
abi = Abi::Uninhabited;
}
let (repr_align, unadjusted_abi_align) = if repr.transparent() {
let unadjusted_abi_align = if repr.transparent() {
match layout_of_single_non_zst_field {
Some(l) => (l.repr_align(), l.unadjusted_abi_align()),
Some(l) => l.unadjusted_abi_align(),
None => {
// `repr(transparent)` with all ZST fields.
//
// Using `None` for `repr_align` here is technically incorrect, since one of
// the ZSTs could have `repr(align(1))`. It's an interesting question, if you have
// `#{repr(transparent)] struct Foo((), ZstWithReprAlign1)`, which of those ZSTs'
// ABIs is forwarded by `repr(transparent)`? The answer to that question determines
// whether we should use `None` or `Some(align 1)` here. Thanksfully, two things
// together mean this doesn't matter:
// - You're not allowed to have a `repr(transparent)` struct that contains
// `repr(align)` > 1 ZSTs. See error E0691.
// - MSVC never treats requested align 1 differently from natural align 1.
// (And the `repr_align` field is only used on i686-windows, see `LayoutS` docs.)
// So just use `None` for now.
(None, align.abi)
align.abi
}
}
} else {
(repr.align, unadjusted_abi_align)
unadjusted_abi_align
};
Some(LayoutS {
@ -1164,7 +1160,7 @@ fn univariant(
largest_niche,
align,
size,
repr_align,
max_repr_align,
unadjusted_abi_align,
})
}

14
compiler/rustc_abi/src/lib.rs
View file

@ -1532,10 +1532,10 @@ pub struct LayoutS {
pub align: AbiAndPrefAlign,
pub size: Size,
/// The alignment explicitly requested with `repr(align)`.
/// The largest alignment explicitly requested with `repr(align)` on this type or any field.
/// Only used on i686-windows, where the argument passing ABI is different when alignment is
/// requested, even if the requested alignment is equal to the natural alignment.
pub repr_align: Option<Align>,
pub max_repr_align: Option<Align>,
/// The alignment the type would have, ignoring any `repr(align)` but including `repr(packed)`.
/// Only used on aarch64-linux, where the argument passing ABI ignores the requested alignment
@ -1555,7 +1555,7 @@ pub fn scalar<C: HasDataLayout>(cx: &C, scalar: Scalar) -> Self {
largest_niche,
size,
align,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: align.abi,
}
}
@ -1573,7 +1573,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fields,
largest_niche,
variants,
repr_align,
max_repr_align,
unadjusted_abi_align,
} = self;
f.debug_struct("Layout")
@ -1583,7 +1583,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
.field("fields", fields)
.field("largest_niche", largest_niche)
.field("variants", variants)
.field("repr_align", repr_align)
.field("max_repr_align", max_repr_align)
.field("unadjusted_abi_align", unadjusted_abi_align)
.finish()
}
@ -1625,8 +1625,8 @@ pub fn size(self) -> Size {
self.0.0.size
}
pub fn repr_align(self) -> Option<Align> {
self.0.0.repr_align
pub fn max_repr_align(self) -> Option<Align> {
self.0.0.max_repr_align
}
pub fn unadjusted_abi_align(self) -> Align {

2
compiler/rustc_middle/src/ty/layout.rs
View file

@ -755,7 +755,7 @@ fn ty_and_layout_for_variant(
largest_niche: None,
align: tcx.data_layout.i8_align,
size: Size::ZERO,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: tcx.data_layout.i8_align.abi,
})
}

8
compiler/rustc_target/src/abi/call/x86.rs
View file

@ -63,8 +63,8 @@ pub fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>, flavor: F
if t.is_like_msvc
&& arg.layout.is_adt()
&& let Some(repr_align) = arg.layout.repr_align
&& repr_align > align_4
&& let Some(max_repr_align) = arg.layout.max_repr_align
&& max_repr_align > align_4
{
// MSVC has special rules for overaligned arguments: https://reviews.llvm.org/D72114.
// Summarized here:
@ -72,8 +72,8 @@ pub fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>, flavor: F
// - For backwards compatibility, arguments with natural alignment > 4 are still passed
// on stack (via `byval`). For example, this includes `double`, `int64_t`,
// and structs containing them, provided they lack an explicit alignment attribute.
assert!(arg.layout.align.abi >= repr_align,
"abi alignment {:?} less than requested alignment {repr_align:?}",
assert!(arg.layout.align.abi >= max_repr_align,
"abi alignment {:?} less than requested alignment {max_repr_align:?}",
arg.layout.align.abi,
);
arg.make_indirect();

10
compiler/rustc_ty_utils/src/layout.rs
View file

@ -258,7 +258,7 @@ fn layout_of_uncached<'tcx>(
largest_niche,
align: element.align,
size,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: element.align.abi,
})
}
@ -271,7 +271,7 @@ fn layout_of_uncached<'tcx>(
largest_niche: None,
align: element.align,
size: Size::ZERO,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: element.align.abi,
})
}
@ -282,7 +282,7 @@ fn layout_of_uncached<'tcx>(
largest_niche: None,
align: dl.i8_align,
size: Size::ZERO,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: dl.i8_align.abi,
}),
@ -437,7 +437,7 @@ fn layout_of_uncached<'tcx>(
largest_niche: e_ly.largest_niche,
size,
align,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: align.abi,
})
}
@ -887,7 +887,7 @@ fn generator_layout<'tcx>(
largest_niche: prefix.largest_niche,
size,
align,
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: align.abi,
});
debug!("generator layout ({:?}): {:#?}", ty, layout);

6
tests/codegen/align-byval.rs
View file

@ -80,7 +80,7 @@ pub struct LowerFA8 {
c: i64
}
// On i686-windows, this is passed on stack, because the wrapper struct does not have
// On i686-windows, this is passed by reference, because it contains a field with
// requested/forced alignment.
#[repr(C)]
pub struct WrappedFA8 {
@ -301,7 +301,9 @@ pub unsafe fn call_fa16(x: ForceAlign16) {
// i686-linux: declare void @wrapped_fa8({{.*}}byval(%WrappedFA8) align 4{{.*}})
// i686-windows: declare void @wrapped_fa8({{.*}}byval(%WrappedFA8) align 4{{.*}})
// i686-windows: declare void @wrapped_fa8(
// i686-windows-NOT: byval
// i686-windows-SAME: align 8{{.*}})
fn wrapped_fa8(x: WrappedFA8);
// m68k: declare void @transparent_fa8({{.*}}byval(%TransparentFA8) align 8{{.*}})

36
tests/ui/layout/debug.stderr
View file

@ -53,7 +53,7 @@ error: layout_of(E) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -79,12 +79,12 @@ error: layout_of(E) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/debug.rs:7:1
@ -130,7 +130,7 @@ error: layout_of(S) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/debug.rs:10:1
@ -154,7 +154,7 @@ error: layout_of(U) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/debug.rs:13:1
@ -247,7 +247,7 @@ error: layout_of(std::result::Result<i32, i32>) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
Layout {
@ -284,12 +284,12 @@ error: layout_of(std::result::Result<i32, i32>) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/debug.rs:16:1
@ -317,7 +317,7 @@ error: layout_of(i32) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/debug.rs:19:1
@ -341,7 +341,7 @@ error: layout_of(V) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
}
--> $DIR/debug.rs:22:1
@ -365,7 +365,7 @@ error: layout_of(W) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
}
--> $DIR/debug.rs:28:1
@ -389,7 +389,7 @@ error: layout_of(Y) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
}
--> $DIR/debug.rs:34:1
@ -413,7 +413,7 @@ error: layout_of(P1) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:41:1
@ -437,7 +437,7 @@ error: layout_of(P2) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:45:1
@ -461,7 +461,7 @@ error: layout_of(P3) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:53:1
@ -485,7 +485,7 @@ error: layout_of(P4) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:57:1
@ -514,7 +514,7 @@ error: layout_of(P5) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:61:1
@ -543,7 +543,7 @@ error: layout_of(std::mem::MaybeUninit<u8>) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/debug.rs:64:1

20
tests/ui/layout/hexagon-enum.stderr
View file

@ -59,12 +59,12 @@ error: layout_of(A) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/hexagon-enum.rs:16:1
@ -133,12 +133,12 @@ error: layout_of(B) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/hexagon-enum.rs:20:1
@ -207,12 +207,12 @@ error: layout_of(C) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
}
--> $DIR/hexagon-enum.rs:24:1
@ -281,12 +281,12 @@ error: layout_of(P) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/hexagon-enum.rs:28:1
@ -355,12 +355,12 @@ error: layout_of(T) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/hexagon-enum.rs:34:1

34
tests/ui/layout/issue-96158-scalarpair-payload-might-be-uninit.stderr
View file

@ -81,7 +81,7 @@ error: layout_of(MissingPayloadField) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -101,12 +101,12 @@ error: layout_of(MissingPayloadField) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/issue-96158-scalarpair-payload-might-be-uninit.rs:16:1
@ -199,7 +199,7 @@ error: layout_of(CommonPayloadField) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -236,12 +236,12 @@ error: layout_of(CommonPayloadField) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/issue-96158-scalarpair-payload-might-be-uninit.rs:25:1
@ -332,7 +332,7 @@ error: layout_of(CommonPayloadFieldIsMaybeUninit) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -368,12 +368,12 @@ error: layout_of(CommonPayloadFieldIsMaybeUninit) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/issue-96158-scalarpair-payload-might-be-uninit.rs:33:1
@ -480,7 +480,7 @@ error: layout_of(NicheFirst) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -500,7 +500,7 @@ error: layout_of(NicheFirst) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -520,12 +520,12 @@ error: layout_of(NicheFirst) = Layout {
variants: Single {
index: 2,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/issue-96158-scalarpair-payload-might-be-uninit.rs:41:1
@ -632,7 +632,7 @@ error: layout_of(NicheSecond) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -652,7 +652,7 @@ error: layout_of(NicheSecond) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
Layout {
@ -672,12 +672,12 @@ error: layout_of(NicheSecond) = Layout {
variants: Single {
index: 2,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/issue-96158-scalarpair-payload-might-be-uninit.rs:50:1

12
tests/ui/layout/issue-96185-overaligned-enum.stderr
View file

@ -53,7 +53,7 @@ error: layout_of(Aligned1) = Layout {
variants: Single {
index: 0,
},
repr_align: Some(
max_repr_align: Some(
Align(8 bytes),
),
unadjusted_abi_align: Align(1 bytes),
@ -75,14 +75,14 @@ error: layout_of(Aligned1) = Layout {
variants: Single {
index: 1,
},
repr_align: Some(
max_repr_align: Some(
Align(8 bytes),
),
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: Some(
max_repr_align: Some(
Align(8 bytes),
),
unadjusted_abi_align: Align(1 bytes),
@ -153,7 +153,7 @@ error: layout_of(Aligned2) = Layout {
variants: Single {
index: 0,
},
repr_align: Some(
max_repr_align: Some(
Align(1 bytes),
),
unadjusted_abi_align: Align(1 bytes),
@ -175,14 +175,14 @@ error: layout_of(Aligned2) = Layout {
variants: Single {
index: 1,
},
repr_align: Some(
max_repr_align: Some(
Align(1 bytes),
),
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: Some(
max_repr_align: Some(
Align(1 bytes),
),
unadjusted_abi_align: Align(1 bytes),

20
tests/ui/layout/thumb-enum.stderr
View file

@ -59,12 +59,12 @@ error: layout_of(A) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/thumb-enum.rs:16:1
@ -133,12 +133,12 @@ error: layout_of(B) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
}
--> $DIR/thumb-enum.rs:20:1
@ -207,12 +207,12 @@ error: layout_of(C) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
}
--> $DIR/thumb-enum.rs:24:1
@ -281,12 +281,12 @@ error: layout_of(P) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/thumb-enum.rs:28:1
@ -355,12 +355,12 @@ error: layout_of(T) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/thumb-enum.rs:34:1

26
tests/ui/layout/zero-sized-array-enum-niche.stderr
View file

@ -57,7 +57,7 @@ error: layout_of(std::result::Result<[u32; 0], bool>) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
Layout {
@ -90,12 +90,12 @@ error: layout_of(std::result::Result<[u32; 0], bool>) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/zero-sized-array-enum-niche.rs:13:1
@ -162,7 +162,7 @@ error: layout_of(MultipleAlignments) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(2 bytes),
},
Layout {
@ -186,7 +186,7 @@ error: layout_of(MultipleAlignments) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
Layout {
@ -219,12 +219,12 @@ error: layout_of(MultipleAlignments) = Layout {
variants: Single {
index: 2,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/zero-sized-array-enum-niche.rs:21:1
@ -291,7 +291,7 @@ error: layout_of(std::result::Result<[u32; 0], Packed<std::num::NonZeroU16>>) =
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
Layout {
@ -324,12 +324,12 @@ error: layout_of(std::result::Result<[u32; 0], Packed<std::num::NonZeroU16>>) =
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/zero-sized-array-enum-niche.rs:37:1
@ -400,7 +400,7 @@ error: layout_of(std::result::Result<[u32; 0], Packed<U16IsZero>>) = Layout {
variants: Single {
index: 0,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
},
Layout {
@ -433,12 +433,12 @@ error: layout_of(std::result::Result<[u32; 0], Packed<U16IsZero>>) = Layout {
variants: Single {
index: 1,
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(1 bytes),
},
],
},
repr_align: None,
max_repr_align: None,
unadjusted_abi_align: Align(4 bytes),
}
--> $DIR/zero-sized-array-enum-niche.rs:44:1