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[rustc.git] / src / test / compile-fail / enum-discrim-autosizing.rs
1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 // With no repr attribute the discriminant will default to isize.
12 // On 32-bit architectures this is equivalent to i32 so the variants
13 // collide. On other architectures we need compilation to fail anyway,
14 // so force the repr.
15 #[cfg_attr(not(target_pointer_width = "32"), repr(i32))]
16 enum Eu64 {
17 Au64 = 0,
18 Bu64 = 0x8000_0000_0000_0000 //~ERROR already exists
19 }
20