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Diffstat (limited to 'src/test/ui/traits/negative-impls/pin-unsound-issue-66544-clone.rs')
-rw-r--r--src/test/ui/traits/negative-impls/pin-unsound-issue-66544-clone.rs26
1 files changed, 0 insertions, 26 deletions
diff --git a/src/test/ui/traits/negative-impls/pin-unsound-issue-66544-clone.rs b/src/test/ui/traits/negative-impls/pin-unsound-issue-66544-clone.rs
deleted file mode 100644
index a5b856465..000000000
--- a/src/test/ui/traits/negative-impls/pin-unsound-issue-66544-clone.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-use std::cell::Cell;
-use std::marker::PhantomPinned;
-use std::pin::Pin;
-
-struct MyType<'a>(Cell<Option<&'a mut MyType<'a>>>, PhantomPinned);
-
-impl<'a> Clone for &'a mut MyType<'a> {
- //~^ ERROR E0751
- fn clone(&self) -> &'a mut MyType<'a> {
- self.0.take().unwrap()
- }
-}
-
-fn main() {
- let mut unpinned = MyType(Cell::new(None), PhantomPinned);
- let bad_addr = &unpinned as *const MyType<'_> as usize;
- let mut p = Box::pin(MyType(Cell::new(Some(&mut unpinned)), PhantomPinned));
-
- // p_mut1 is okay: it does not point to the bad_addr
- let p_mut1: Pin<&mut MyType<'_>> = p.as_mut();
- assert_ne!(bad_addr, &*p_mut1 as *const _ as usize);
-
- // but p_mut2 does point to bad_addr! this is unsound
- let p_mut2: Pin<&mut MyType<'_>> = p_mut1.clone();
- assert_eq!(bad_addr, &*p_mut2 as *const _ as usize);
-}