[Bug regression/89733] [7/8/9 Regression] False positive -Wuninitialized in C++14+ mode

[nok.raven at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89733

--- Comment #2 from Nikita Kniazev <nok.raven at gmail dot com> ---
Created attachment 45990
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45990&action=edit
preprocessed repro