fix copy ci

Author: c8ef

libcxx/test/libcxx/algorithms/robust_against_copying_comparators.pass.cpp

@@ -149,7 +149,8 @@ TEST_CONSTEXPR_CXX20 bool all_the_algorithms() {
   assert(copies == 0);
 #endif
   (void)std::generate(first, last, NullaryValue<T>(&copies));
-  assert(copies == 0);
+  assert(copies == 1);
+  copies = 0;
   (void)std::generate_n(first, count, NullaryValue<T>(&copies));
   assert(copies == 0);
   (void)std::includes(first, last, first2, last2, Less<T>(&copies));