[Bug middle-end/78391] g++ (any version) at O0 (for O1, O2, O3 is ok) doesn't warn when class members are used uninitialized.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78391

--- Comment #7 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch for pr19808:
https://gcc.gnu.org/pipermail/gcc-patches/2020-November/559162.html