Ralf Jung a49451c805
Rollup merge of #76530 - carbotaniuman:fix-rc, r=RalfJung
Eliminate mut reference UB in Drop impl for Rc<T>

This changes `self.ptr.as_mut()` with `get_mut_unchecked` which
does not use an intermediate reference.  Arc<T> already handled this
case properly.

Fixes #76509
2020-09-12 10:43:18 +02:00
..
2020-09-03 20:59:33 +02:00