https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86138
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- OK, so then this is the whack Windows linker model, where every DLL has its own address space, and probably the same as PR 81522. Does Cygwin default to _GLIBCXX_USE_CXX11_ABI=0?
