[Bug c++/113629] 'deducing this' does not work with conversion operators

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113629

--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
test:
https://godbolt.org/z/jdz3ejohv