rust/src/test/ui/layout/zero-sized-array-enum-niche.stderr

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error: layout_of(std::result::Result<[u32; 0], bool>) = Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
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largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
),
variants: Multiple {
tag: Initialized {
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
tag_encoding: Direct,
tag_field: 0,
variants: [
Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(4 bytes),
],
memory_index: [
0,
],
},
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largest_niche: None,
variants: Single {
index: 0,
},
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},
Layout {
size: Size(2 bytes),
align: AbiAndPrefAlign {
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abi: Align(1 bytes),
pref: $PREF_ALIGN,
},
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abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(1 bytes),
],
memory_index: [
0,
],
},
largest_niche: Some(
Niche {
offset: Size(1 bytes),
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
),
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variants: Single {
index: 1,
},
},
],
},
}
--> $DIR/zero-sized-array-enum-niche.rs:13:1
|
LL | type AlignedResult = Result<[u32; 0], bool>;
| ^^^^^^^^^^^^^^^^^^
error: layout_of(MultipleAlignments) = Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
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largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Int(
I8,
false,
),
valid_range: 0..=2,
},
),
variants: Multiple {
tag: Initialized {
value: Int(
I8,
false,
),
valid_range: 0..=2,
},
tag_encoding: Direct,
tag_field: 0,
variants: [
Layout {
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size: Size(2 bytes),
align: AbiAndPrefAlign {
abi: Align(2 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(2 bytes),
],
memory_index: [
0,
],
},
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largest_niche: None,
variants: Single {
index: 0,
},
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},
Layout {
size: Size(4 bytes),
align: AbiAndPrefAlign {
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abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
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abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(4 bytes),
],
memory_index: [
0,
],
},
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largest_niche: None,
variants: Single {
index: 1,
},
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},
Layout {
size: Size(2 bytes),
align: AbiAndPrefAlign {
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abi: Align(1 bytes),
pref: $PREF_ALIGN,
},
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abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(1 bytes),
],
memory_index: [
0,
],
},
largest_niche: Some(
Niche {
offset: Size(1 bytes),
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
),
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variants: Single {
index: 2,
},
},
],
},
}
--> $DIR/zero-sized-array-enum-niche.rs:21:1
|
LL | enum MultipleAlignments {
| ^^^^^^^^^^^^^^^^^^^^^^^
error: layout_of(std::result::Result<[u32; 0], Packed<std::num::NonZeroU16>>) = Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
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largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
),
variants: Multiple {
tag: Initialized {
value: Int(
I8,
false,
),
valid_range: 0..=1,
},
tag_encoding: Direct,
tag_field: 0,
variants: [
Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(4 bytes),
],
memory_index: [
0,
],
},
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largest_niche: None,
variants: Single {
index: 0,
},
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},
Layout {
size: Size(3 bytes),
align: AbiAndPrefAlign {
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abi: Align(1 bytes),
pref: $PREF_ALIGN,
},
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abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(1 bytes),
],
memory_index: [
0,
],
},
largest_niche: Some(
Niche {
offset: Size(1 bytes),
value: Int(
I16,
false,
),
valid_range: 1..=65535,
},
),
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variants: Single {
index: 1,
},
},
],
},
}
--> $DIR/zero-sized-array-enum-niche.rs:37:1
|
LL | type NicheLosesToTagged = Result<[u32; 0], Packed<std::num::NonZeroU16>>;
| ^^^^^^^^^^^^^^^^^^^^^^^
error: layout_of(std::result::Result<[u32; 0], Packed<U16IsZero>>) = Layout {
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size: Size(4 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
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largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Int(
I16,
false,
),
valid_range: 0..=1,
},
),
variants: Multiple {
tag: Initialized {
value: Int(
I16,
false,
),
valid_range: 0..=1,
},
tag_encoding: Niche {
dataful_variant: 1,
niche_variants: 0..=0,
niche_start: 1,
},
tag_field: 0,
variants: [
Layout {
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size: Size(0 bytes),
align: AbiAndPrefAlign {
abi: Align(4 bytes),
pref: $PREF_ALIGN,
},
abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
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largest_niche: None,
variants: Single {
index: 0,
},
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},
Layout {
size: Size(2 bytes),
align: AbiAndPrefAlign {
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abi: Align(1 bytes),
pref: $PREF_ALIGN,
},
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abi: Aggregate {
sized: true,
},
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Int(
I16,
false,
),
valid_range: 0..=0,
},
),
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variants: Single {
index: 1,
},
},
],
},
}
--> $DIR/zero-sized-array-enum-niche.rs:44:1
|
LL | type NicheWinsOverTagged = Result<[u32; 0], Packed<U16IsZero>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 4 previous errors