#define GENERIC_IN_MACRO(X) (_Generic(X++, \
                                      int:1, \
                                      default:0)) /* ok: controlling expression contains an apparent
                                                   * side effect, but the generic selection expression
                                                   * is inside a macro definition.
                                                   */

int lang_struct_se_cgen(int x){
  return _Generic(x++,                /* 'Side Effects in C Generic Selection' warning issued here
                                       * - controlling expression x++ contains an apparent side effect.
                                       */
                  int:1,
                  default:0);
}

int f(void) {return 5;}

int lang_struct_se_cgen_func(int x){
  return _Generic(f(),                /* 'Side Effects in C Generic Selection' warning issued here
                                       * - function calls are always treated as containing
                                       *   an apparent side effect.
                                       */
                  int:1,
                  default:0);
}

int lang_struct_se_cgen_ok(int x){
  return _Generic(x, int:1, default:0);           /* ok: no apparent side effect in controlling expression x */
}

int lang_struct_se_cgen_ok_macro(int x){
  return GENERIC_IN_MACRO(x);
}