/
repr-align.rs
41 lines (30 loc) · 1.69 KB
/
repr-align.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#![allow(dead_code)]
#[repr(align(16.0))] //~ ERROR: invalid `repr(align)` attribute: not an unsuffixed integer
//~| ERROR: invalid `repr(align)` attribute: not an unsuffixed integer
struct S0(i32);
#[repr(align(15))] //~ ERROR: invalid `repr(align)` attribute: not a power of two
//~| ERROR: invalid `repr(align)` attribute: not a power of two
struct S1(i32);
#[repr(align(4294967296))] //~ ERROR: invalid `repr(align)` attribute: larger than 2^29
//~| ERROR: invalid `repr(align)` attribute: larger than 2^29
struct S2(i32);
#[repr(align(536870912))] // ok: this is the largest accepted alignment
struct S3(i32);
#[repr(align(0))] //~ ERROR: invalid `repr(align)` attribute: not a power of two
//~| ERROR: invalid `repr(align)` attribute: not a power of two
struct S4(i32);
#[repr(align(16.0))] //~ ERROR: invalid `repr(align)` attribute: not an unsuffixed integer
//~| ERROR: invalid `repr(align)` attribute: not an unsuffixed integer
enum E0 { A, B }
#[repr(align(15))] //~ ERROR: invalid `repr(align)` attribute: not a power of two
//~| ERROR: invalid `repr(align)` attribute: not a power of two
enum E1 { A, B }
#[repr(align(4294967296))] //~ ERROR: invalid `repr(align)` attribute: larger than 2^29
//~| ERROR: invalid `repr(align)` attribute: larger than 2^29
enum E2 { A, B }
#[repr(align(536870912))] // ok: this is the largest accepted alignment
enum E3 { A, B }
#[repr(align(0))] //~ ERROR: invalid `repr(align)` attribute: not a power of two
//~| ERROR: invalid `repr(align)` attribute: not a power of two
enum E4 { A, B }
fn main() {}