36 lines
583 B
Rust
36 lines
583 B
Rust
// run-pass
|
|
#![allow(dead_code)]
|
|
// ignore-emscripten weird assertion?
|
|
|
|
#[repr(packed)]
|
|
struct Foo1 {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
#[repr(packed(2))]
|
|
struct Foo2 {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
#[repr(C, packed(4))]
|
|
struct Foo4C {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
pub fn main() {
|
|
let foo = Foo1 { bar: 1, baz: 2 };
|
|
let brw = unsafe { &foo.baz };
|
|
assert_eq!(*brw, 2);
|
|
|
|
let foo = Foo2 { bar: 1, baz: 2 };
|
|
let brw = unsafe { &foo.baz };
|
|
assert_eq!(*brw, 2);
|
|
|
|
let foo = Foo4C { bar: 1, baz: 2 };
|
|
let brw = unsafe { &foo.baz };
|
|
assert_eq!(*brw, 2);
|
|
}
|