[Bug libstdc++/35878] [LWG 2302] Useless NULL pointer check when constructing object

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35878

--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> ---
LWG marked issue 2302 as pending NAD, but CWG was more helpful and we now have
an official DR so we can patch the front-end:
http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1748