Rollup merge of #104626 - reez12g:issue-99144-2, r=jyn514

[rust.git] / library / alloc / tests / rc.rs

diff --git a/library/alloc/tests/rc.rs b/library/alloc/tests/rc.rs
index 1d5f3c52006487bb9517b4fafec882965868c117..efb39a609665b33ad2e6b9b43a75533a98f1feb5 100644 (file)
--- a/library/alloc/tests/rc.rs
+++ b/library/alloc/tests/rc.rs
@@ -206,18 +206,3 @@ fn hmm<'a>(val: &'a mut Weak<&'a str>) -> Weak<&'a str> {
     // `val` dropped here while still borrowed
     // borrow might be used here, when `val` is dropped and runs the `Drop` code for type `std::rc::Weak`
 }
-
-#[test]
-fn rc_from_vec_opt() {
-    let mut v = Vec::with_capacity(64);
-    v.push(0usize);
-    let addr = v.as_ptr().cast::<u8>();
-    let rc: Rc<[_]> = v.into();
-    unsafe {
-        assert_eq!(
-            rc.as_ptr().cast::<u8>().offset_from(addr),
-            (std::mem::size_of::<usize>() * 2) as isize,
-            "Vector allocation not reused"
-        );
-    }
-}