[Bug c++/68288] botched floating-point UDL

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68288

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC, ICC, and clang all reject this.
MSVC accepts this.