[Bug c++/106434] [12/13 Regression] Spurious -Wnull-dereference when using std::unique_copy() since r12-5187-g1ae8edf5f73ca5c3

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106434

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #8)
> This seems to work (the __glibcxx_assert isn't needed to stop the warning,
> but might be a useful assertion).

Well, it might be if I got the condition right. Doh.