[Bug libstdc++/116857] [15 Regression] libsupc++ build failure on mingw32: libstdc++-v3/libsupc++/guard.cc:39:1: error: declaration of 'int __cxxabiv1::__cxa_guard_acquire(__guard*) noexcept' has a different exception specifier

[lh_mouse at 126 dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116857

--- Comment #5 from LIU Hao <lh_mouse at 126 dot com> ---
Thanks for the fix! (it indeed does not throw on Windows.)