[Bug libstdc++/107857] recursive_mutex misses destructor if non-function call initialization is used

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107857

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
See also https://stackoverflow.com/a/77515095/981959