[Bug c++/63650]=?UTF-8?Q?=20conflicting=20type=20attributes=20specified=20for=20=E2=80=98virtual?=..'

[daniel.kruegler at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63650

--- Comment #4 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
(In reply to Richard PALO from comment #3)
> I initially replied that there was an error in my original, please
> correct the first three lines to:
> #ifndef HIDDEN
> #define HIDDEN __attribute__((visibility("hidden")))
> #endif

This now leads to another error in regard  to #endif without #if.

Please provide a complete code that demonstrates the error.