Thanks very much Arnold, also for filing the bug!
> On 7 Jul 2017, at 8:07 pm, Arnold Schwaighofer
> wrote:
>
> This is a failure in the optimizer of identifying two loads to return the
> same value and so it can’t remove a retain/release pair.
>
>
> / protocol witness for B.foo(_:) in confo
Hi swift-dev,
I haven't heard anything about semantic ARC and couldn't really find much
documentation besides
https://gottesmm.github.io/proposals/high-level-arc-memory-operations.html . So
I wanted to ask how much of it is implemented and what the plan for Swift 4/5
regarding Semantic ARC is.
