[Bug libstdc++/64367] [5 Regression] g++-v5/stdexcept:52:28: error: invalid use of non-static data member '_M_p'

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64367

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
See § 5.1.1-13 for C++11 and § 5.1-10 for C++98.
The C++98 standard doesn't mention unevaluated operands.