rust/tests/ui/consts/static-raw-pointer-interning2.rs

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// run-pass
static mut FOO: Foo = Foo {
field: &mut [42] as *mut [i32] as *mut i32,
};
struct Foo {
field: *mut i32,
}
unsafe impl Sync for Foo {}
fn main() {
assert_eq!(unsafe { *FOO.field = 69; *FOO.field }, 69);
}