https://bugs.gentoo.org/787662
https://sourceforge.net/p/mingw-w64/mingw-w64/ci/ab0fa5ad3c67d634fd7754d9473d1bb7051f9bf0/tree/mingw-w64-libraries/winpthreads/src/libgcc/dll_math.c?diff=6a0e9165008f731bccadfc41a59719cf7c8efc02
--- a/mingw-w64-libraries/winpthreads/src/libgcc/dll_math.c
+++ b/mingw-w64-libraries/winpthreads/src/libgcc/dll_math.c
@@ -121,6 +121,7 @@
 u_quad_t	__umoddi3(u_quad_t a, u_quad_t b);
 int		__ucmpdi2(u_quad_t a, u_quad_t b);
 quad_t	__divmoddi4(quad_t a, quad_t b, quad_t *rem);
+u_quad_t	__udivmoddi4(u_quad_t a, u_quad_t b, u_quad_t *rem);
 
 #endif /* !_LIBKERN_QUAD_H_ */
 
@@ -573,6 +574,12 @@
 	return (negq ? -uq : uq);
 }
 
+u_quad_t
+__udivmoddi4(u_quad_t a, u_quad_t b, u_quad_t *rem)
+{
+  return __qdivrem(a, b, rem);
+}
+
 #else
 static int __attribute__((unused)) dummy;
 #endif /*deined (_X86_) && !defined (__x86_64__)*/