[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
ICC also rejects this for the same reason as GCC.
MSVC and clang both accept it though.

Could there be a defect report for this?