[Bug c++/111771] Incorrect "is used uninitialized" warning, as if zero-initialization didn't propagate through user-provided default constructors

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111771

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Did you miss that the implicit B constructor will just call A's constructor ?