[libcxx-commits] [libcxx] [libc++] Tweak how we check constraints on shared_ptr(nullptr_t) (PR #94996)

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https://github.com/alexfh approved this pull request.

LGTM. Thanks! This will allow avoiding unnecessary changes, given the expected resolution (and until there is resolution on the new LWG issue).

https://github.com/llvm/llvm-project/pull/94996