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//@ run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_imports)]
use std::marker;
use std::cell::UnsafeCell;
struct MyUnsafePack<T>(UnsafeCell<T>);
unsafe impl<T: Send> Sync for MyUnsafePack<T> {}
struct MyUnsafe<T> {
value: MyUnsafePack<T>
}
impl<T> MyUnsafe<T> {
fn forbidden(&self) {}
}
unsafe impl<T: Send> Sync for MyUnsafe<T> {}
enum UnsafeEnum<T> {
VariantSafe,
VariantUnsafe(UnsafeCell<T>)
}
unsafe impl<T: Send> Sync for UnsafeEnum<T> {}
static STATIC1: UnsafeEnum<isize> = UnsafeEnum::VariantSafe;
static STATIC2: MyUnsafePack<isize> = MyUnsafePack(UnsafeCell::new(1));
const CONST: MyUnsafePack<isize> = MyUnsafePack(UnsafeCell::new(1));
static STATIC3: MyUnsafe<isize> = MyUnsafe{value: CONST};
static STATIC4: &'static MyUnsafePack<isize> = &STATIC2;
struct Wrap<T> {
value: T
}
unsafe impl<T: Send> Sync for Wrap<T> {}
static UNSAFE: MyUnsafePack<isize> = MyUnsafePack(UnsafeCell::new(2));
static WRAPPED_UNSAFE: Wrap<&'static MyUnsafePack<isize>> = Wrap { value: &UNSAFE };
fn main() {
let a = &STATIC1;
STATIC3.forbidden()
}
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