[Bug c/67668] erroneous type argument for unary operator one's complement

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67668

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
https://gcc.gnu.org/onlinedocs/gcc-5.2.0/gcc/Complex.html
-Wpedantic

What is your question exactly?