[Bug c++/86184] Conditional expression with omitted operand cannot use rvalue of type convertible to bool

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86184

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01345.html