[Bug preprocessor/103902] GCC requires a space between string-literal and identifier in a literal-operator-id where the identifier is not in basic character set

[lhyatt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103902

--- Comment #3 from Lewis Hyatt <lhyatt at gcc dot gnu.org> ---
I can look into that.