Fix for bug #3469 CV_XADD failing in clang+nvcc combination

modules/core/include/opencv2/core/cvdef.h

@@ -444,7 +444,7 @@ CV_INLINE int cvIsInf( double value )
    // atomic increment on the linux version of the Intel(tm) compiler
 #  define CV_XADD(addr, delta) (int)_InterlockedExchangeAdd(const_cast<void*>(reinterpret_cast<volatile void*>(addr)), delta)
 #elif defined __GNUC__
-#  if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__
+#  if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__ && !defined(__CUDACC__)
 #    ifdef __ATOMIC_ACQ_REL
 #      define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL)
 #    else