[Bug preprocessor/123325] incorrect __VA_OPT__ handling

[luigighiron at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123325

Halalaluyafail3 <luigighiron at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |luigighiron at gmail dot com

--- Comment #2 from Halalaluyafail3 <luigighiron at gmail dot com> ---
This is also observable with __COUNTER__:

#define F(X,...)__VA_OPT__(X)
F(__COUNTER__)
__COUNTER__

With Clang and MSVC this becomes zero, with GCC it becomes one.