[Bug c++/109448] _M_exception_object’ may be used uninitialized [-Werror=maybe-uninitialized]

[jincikang at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109448

--- Comment #1 from jinci kang <jincikang at gmail dot com> ---
This problem occurs under GCC12 and when compiling optimization is turned on,
and only if the template T type is the empty type.