| use std::marker::PhantomData; | |
| union Opaque { | |
| x: i32, | |
| y: f32, | |
| } | |
| #[repr(C)] | |
| union Normal { | |
| x: i32, | |
| y: f32, | |
| } | |
| #[repr(C)] | |
| union NormalWithZST { | |
| x: i32, | |
| y: f32, | |
| z: (), | |
| w: PhantomData<i32>, | |
| } | |
| #[no_mangle] | |
| pub extern "C" fn root( | |
| a: *mut Opaque, | |
| b: Normal, | |
| c: NormalWithZST | |
| ) { } |