[Bug target/125312] [16/17 Regression] x86_64-w64-mingw32: weak_ptr::lock() / shared_from_this() multi-thread stress fails

[lh_mouse at 126 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125312

--- Comment #15 from LIU Hao <lh_mouse at 126 dot com> ---
The fix works on x86_64-w64-mingw32. Thanks.