[Bug c++/108884] [temp.friends]/9: Should constraint friends declared in class scope differ with definition out of scope?

[zyn7109 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108884

--- Comment #8 from Younan Zhang <zyn7109 at gmail dot com> ---
Sorry for duplicate comments. Network issue :(
And thanks Patrik's explaination.