[swift-dev] deprecating -Ounchecked

[Slava Pestov]

> On Nov 3, 2017, at 8:57 PM, Chris Lattner via swift-dev <swift-dev at swift.org> wrote:
> 
> Random question: when did you introduce -Osize, and why didn’t it go through the evolution process?  If this is a major flag that you expect users to interact with (not some obscure debugging feature) then it is part of the “UI" of Swift and seems subject to swift-evolution’s process.

Are compiler flags within the scope of the evolution process? -Osize has no effect on source compatibility or any other user-visible aspect of the language itself.

Slava
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