1  /* PR c++/71675 - __atomic_compare_exchange_n returns wrong type for typed
       2     enum  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=c11" } */
       5  
       6  
       7  #define Test(T)								\
       8    do {									\
       9      static T x;								\
      10      int r [_Generic (__atomic_compare_exchange_n (&x, &x, x, 0, 0, 0),	\
      11  		     _Bool: 1, default: -1)];				\
      12      (void)&r;								\
      13    } while (0)
      14  
      15  void f (void)
      16  {
      17    /* __atomic_compare_exchange_n would fail to return _Bool when
      18       its arguments were one of the three character types.  */
      19    Test (char);
      20    Test (signed char);
      21    Test (unsigned char);
      22  
      23    Test (int);
      24    Test (unsigned int);
      25  
      26    Test (long);
      27    Test (unsigned long);
      28  
      29    Test (long long);
      30    Test (unsigned long long);
      31  
      32    typedef enum E { e } E;
      33    Test (E);
      34  }