[Bug c++/63458] myclassobj >> charac compiles without warning, EVEN though ONLY operator>>(std::string&) exists

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63458

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
Actually, I do get a warning:
s.c:29:13: warning: 'ch' is used uninitialized in this function
[-Wuninitialized]