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León Orell Valerian Liehr
7025605b8c
Moreover, dereference `ty_layout.align` for `#[rustc_dump_layout(align)]`
to render `align: Align($N bytes)` instead of `align: AbiAlign { abi: Align($N bytes) }`
which contains the same amount of information but it more concise and legible.
35 lines
878 B
Rust
35 lines
878 B
Rust
//@ normalize-stderr: "pref: Align\([1-8] bytes\)" -> "pref: $$PREF_ALIGN"
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//! Various enum layout tests.
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#![feature(rustc_attrs)]
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#![feature(never_type)]
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#![crate_type = "lib"]
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#[rustc_dump_layout(align)]
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enum UninhabitedVariantAlign { //~ERROR: align: Align(2 bytes)
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A([u8; 32]),
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B([u16; 0], !), // make sure alignment in uninhabited fields is respected
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}
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#[rustc_dump_layout(size)]
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enum UninhabitedVariantSpace { //~ERROR: size: Size(16 bytes)
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A,
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B([u8; 15], !), // make sure there is space being reserved for this field.
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}
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#[rustc_dump_layout(backend_repr)]
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enum ScalarPairDifferingSign { //~ERROR: backend_repr: ScalarPair
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A(u8),
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B(i8),
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}
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enum Never {}
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// See https://github.com/rust-lang/rust/issues/146984
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#[rustc_dump_layout(size)]
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#[repr(u32)]
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enum DefinedLayoutAllUninhabited { //~ERROR: size: Size(4 bytes)
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A(Never),
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B(Never),
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}
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