[Bug c++/108717] Greek letters not accepted as part of identifier in user-defined literal operators

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108717

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is accepted:
```
int operator"" _µm(long double magnitude) noexcept // Micro sign, unicode
0x00b5
{
    return magnitude;
}
```

NOTE the space.