rust/tests/ui/layout/trivial-bounds-sized.rs

52 lines
806 B
Rust

//@ check-pass
//! With trivial bounds, it is possible to have ADTs with unsized fields
//! in arbitrary places. Test that we do not ICE for such types.
#![feature(trivial_bounds)]
#![expect(trivial_bounds)]
struct Struct
where
[u8]: Sized,
[i16]: Sized,
{
a: [u8],
b: [i16],
c: f32,
}
union Union
where
[u8]: Copy,
[i16]: Copy,
{
a: [u8],
b: [i16],
c: f32,
}
enum Enum
where
[u8]: Sized,
[i16]: Sized,
{
V1([u8], [i16]),
V2([i16], f32),
}
// This forces layout computation via the `variant_size_differences` lint.
// FIXME: This could be made more robust, possibly with a variant of `rustc_layout`
// that doesn't error.
enum Check
where
[u8]: Copy,
[i16]: Copy,
{
Struct(Struct),
Union(Union),
Enum(Enum),
}
fn main() {}