[Bug c++/81674] gcc cannot detect missing initialisers for fields in constructors

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81674

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
But -Weffc++ also warns about members that don't need to be initialized, so is
useless in detecting uninitialized data.