[cfe-dev] "Unsupported Availability Guard" Warning

Tanner Bennett via cfe-dev cfe-dev at lists.llvm.org
Mon Nov 25 14:50:24 PST 2019

> To recap, it _______.

Whoops, I forgot to fill in the blank. To recap, it allows you to guard a block of code to at least a certain OS version so that it won't emit "unguarded availability" warnings if you use APIs that are only available on that OS version.
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