[libcxx-commits] [libcxx] [libc++][hardening] Check bounds on arithmetic in __bounded_iter (PR #78876)

[Konstantin Varlamov via libcxx-commits]

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@@ -114,6 +117,8 @@ struct __bounded_iter {
   // These operations do not check that the resulting iterator is within the bounds, since that
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var-const wrote:

This comment looks slightly outdated -- we do check now, although we still allow an iterator that points to the past-the-end value.

https://github.com/llvm/llvm-project/pull/78876