Turn off 128-bit integer for Embarcadero C++ clang-based compilers. Update the test for 128-bit integers.

test/boost_has_int128.ipp

@@ -63,6 +63,9 @@ int test()
       fputs("Incorrect computation result.", stderr);
       return 1;
    }
+   
+   my_uint128_t i(2), j(1), k;
+   k = i / j;
 
    return 0;
 }