[Bug c++/83730] Unnecessary generation of guard variables with -fno-threadsafe-statics

[klaus.doldinger64 at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83730

--- Comment #1 from Wilhelm M <klaus.doldinger64 at googlemail dot com> ---
If the defaulted ctor is commented out, the guards aren't generated. Still is
even stranger ...