| // check-pass |
| |
| // Test that we can handle newtypes wrapping extern types |
| |
| #![feature(extern_types, const_transmute)] |
| |
| use std::marker::PhantomData; |
| |
| extern "C" { |
| pub type ExternType; |
| } |
| unsafe impl Sync for ExternType {} |
| static MAGIC_FFI_STATIC: u8 = 42; |
| |
| #[repr(transparent)] |
| pub struct Wrapper(ExternType); |
| pub static MAGIC_FFI_REF: &'static Wrapper = unsafe { |
| std::mem::transmute(&MAGIC_FFI_STATIC) |
| }; |
| |
| #[repr(transparent)] |
| pub struct Wrapper2(PhantomData<Vec<i32>>, ExternType); |
| pub static MAGIC_FFI_REF2: &'static Wrapper2 = unsafe { |
| std::mem::transmute(&MAGIC_FFI_STATIC) |
| }; |
| |
| fn main() {} |
