[Bug c++/91317] [7/8/9/10 Regression] false-positive maybe-uninitialized warning in destructor with placement new

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91317

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Did you consider exceptions? a() could throw.