> On Nov 3, 2017, at 8:31 AM, Erik Eckstein via swift-dev <swift-dev@swift.org>
> wrote:
>
> So if we replace Ounchecked with an option -unsafe-remove-checks (similar to
> -assume-single-threaded), as Johannes suggested, this is more like a “at your
> own risk” thing (regarding performance). For example, it might happen that
> users see perf regressions from one release to another, using this option.
I would suggest going further and removing the code for -unsafe-remove-checks
altogether. Even untested code has a cost in terms of maintainability.
Slava
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