https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108383
--- Comment #4 from eebssk1 at godaftwithebk dot pub --- The problem occurs at final linking. x86_64-w64-mingw32-g++ -o src/dxgi/dxgi.dll src/dxgi/dxgi.dll.p/version.o src/dxgi/dxgi.dll.p/dxgi_adapter.cpp.obj src/dxgi/dxgi.dll.p/dxgi_enums.cpp.obj src/dxgi/dxgi.dll.p/dxgi_factory.cpp.obj src/dxgi/dxgi.dll.p/dxgi_format.cpp.obj src/dxgi/dxgi.dll.p/dxgi_main.cpp.obj src/dxgi/dxgi.dll.p/dxgi_monitor.cpp.obj src/dxgi/dxgi.dll.p/dxgi_options.cpp.obj src/dxgi/dxgi.dll.p/dxgi_output.cpp.obj src/dxgi/dxgi.dll.p/dxgi_surface.cpp.obj src/dxgi/dxgi.dll.p/dxgi_swapchain.cpp.obj -Wl,--allow-shlib-undefined -Wl,-O1 -shared ../src/dxgi/dxgi.def -Wl,--start-group -Wl,--out-implib=src/dxgi/dxgi.dll.a -static -static-libgcc -static-libstdc++ -Wl,--file-alignment=4096 -Wl,-O3,--relax,--sort-section=alignment,--sort-common=descending -flto src/dxvk/libdxvk.a src/util/libutil.a src/spirv/libspirv.a src/wsi/libwsi.a subprojects/libdisplay-info/libdisplay-info.a src/vulkan/libvkcommon.a -pthread -lm -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 -Wl,--end-group -freport-bug lto-wrapper: warning: using serial compilation of 13 LTRANS jobs lto-wrapper: note: see the ‘-flto’ option documentation for more information during GIMPLE pass: alias ../src/dxgi/../util/log/../thread.h: In member function ‘__ct ’: ../src/dxgi/../util/log/../thread.h:110:14: internal compiler error: in binds_to_current_def_p, at symtab.cc:2494 .... So uhh I currently have no idea on how to provide a testcase in such case. Sorry,These compiler thing is not my profession. I just open such ticket as no cares it before.