mirror of https://github.com/rust-lang/rust
79 lines
1.7 KiB
Rust
79 lines
1.7 KiB
Rust
//@ normalize-stderr-test "pref: Align\([1-8] bytes\)" -> "pref: $$SOME_ALIGN"
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#![feature(never_type, rustc_attrs, type_alias_impl_trait, repr_simd)]
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#![crate_type = "lib"]
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#[rustc_layout(debug)]
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#[derive(Copy, Clone)]
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enum E { Foo, Bar(!, i32, i32) } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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struct S { f1: i32, f2: (), f3: i32 } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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union U { f1: (i32, i32), f3: i32 } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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type Test = Result<i32, i32>; //~ ERROR: layout_of
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#[rustc_layout(debug)]
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type T = impl std::fmt::Debug; //~ ERROR: layout_of
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fn f() -> T {
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0i32
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}
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#[rustc_layout(debug)]
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pub union V { //~ ERROR: layout_of
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a: [u16; 0],
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b: u8,
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}
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#[rustc_layout(debug)]
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pub union W { //~ ERROR: layout_of
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b: u8,
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a: [u16; 0],
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}
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#[rustc_layout(debug)]
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pub union Y { //~ ERROR: layout_of
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b: [u8; 0],
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a: [u16; 0],
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}
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#[rustc_layout(debug)]
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#[repr(packed(1))]
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union P1 { x: u32 } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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#[repr(packed(1))]
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union P2 { x: (u32, u32) } //~ ERROR: layout_of
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#[repr(simd)]
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#[derive(Copy, Clone)]
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struct F32x4(f32, f32, f32, f32);
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#[rustc_layout(debug)]
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#[repr(packed(1))]
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union P3 { x: F32x4 } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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#[repr(packed(1))]
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union P4 { x: E } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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#[repr(packed(1))]
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union P5 { zst: [u16; 0], byte: u8 } //~ ERROR: layout_of
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#[rustc_layout(debug)]
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type X = std::mem::MaybeUninit<u8>; //~ ERROR: layout_of
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#[rustc_layout(debug)]
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const C: () = (); //~ ERROR: can only be applied to
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impl S {
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#[rustc_layout(debug)]
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const C: () = (); //~ ERROR: can only be applied to
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}
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#[rustc_layout(debug)]
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type Impossible = (str, str); //~ ERROR: cannot be known at compilation time
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