[libcxx-commits] [PATCH] D69466: Guard against overflow in span::subspan

[Michael Schellenberger Costa via Phabricator via libcxx-commits]

miscco added a comment.

I also believe that we should add a static assert to `operator[]` similar to `front()` and `back()`. Unfortunately there are multiple tests that rely on `operator[]` of a statically empty span. Thoughts?


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https://reviews.llvm.org/D69466