[Bug libstdc++/69767] Clash with macros from sys/sysmacros.h

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69767

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
GCC 5 behaves the same here.
If I use #include <cstdlib> the the program won't compile even in C++03.

Not 100 % sure this is a bug though...