1  typedef enum
       2  {
       3    a = (X) 0,	/* { dg-error "undeclared|not integer|parse error|syntax error|expected" } */
       4    b
       5  } c;
       6  
       7  typedef enum
       8  {
       9    d = (X) 0	/* { dg-error "undeclared|not integer|parse error|syntax error|expected" } */
      10  } e;