https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279443
--- Comment #3 from Mark Millard <marklmi26-f...@yahoo.com> --- cppreference.com reports the following for C only: 3) special case: & and * cancel each other, neither one is evaluated 4) special case: & and the * that is implied in [] cancel each other, only the addition implied in [] is evaluated. For C++ it reports: Note that, unlike C99 and later C versions, there's no special case for the unary operator& applied to the result of the unary operator*. But I've not tried to see what any fairly modern C++ standard says about such and cppreference.com is not explicit about the & and [] combination in contexts that could possibly use &*(a+i) as a valid translation. If cppreference.com is correct, modern C++ may well require avoiding the &a[i] notation for the non-dereferenceable case: only use such for dereferenceable accesses, even for for likes of std::contiguous_iterator contexts. Again, I'm not sure because I've not analyzed any relevant version of the standard for the issue. -- You are receiving this mail because: You are the assignee for the bug.
