[Bug c++/58798] class with a class reference member generates unjustified warning

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58798

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Szikra from comment #3)
> The warning is still there if I use the -Wno-packed option:
> g++  -std=gnu++11 -fpack-struct -Wno-packed eeprom.cpp -o eeprom
> Why?

Because the warning isn't controlled by the -Wpacked option. If it was, it
would say [-Wpacked] after the warning. I think that's a bug, every warning
should be controlled by some -Wxxx option.

If the warning was controlled by an option you could suppress it with -Wno-xxx
or a #pragma.