1  /* Test C2x enumerations with fixed underlying type together with GNU
       2     extensions: an enum cannot be forward declared without a fixed underlying
       3     type and then declared or defined with one.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=gnu2x" } */
       6  
       7  enum e1;
       8  enum e1 : int; /* { dg-error "'enum' declared both with and without fixed underlying type" } */
       9  
      10  enum e2;
      11  enum e2 : long { A }; /* { dg-error "'enum' declared both with and without fixed underlying type" } */