[Bug c++/103232] scoped template specalization is not supported (not with C+17 nor C++20)

[dl.soluz at gmx dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103232

--- Comment #1 from dennis luehring <dl.soluz at gmx dot net> ---
gcc 11.2
https://gcc.godbolt.org/z/jG8f6Phjc
clang 7
https://gcc.godbolt.org/z/c4Md5Yh1x