1 void foo(void)
   2 {
   3         goto a;
   4 a:
   5 a:
   6         return;
   7 }
   8 
   9 void g(void)
  10 {
  11         goto a;
  12 a:
  13         return;
  14 }
  15 
  16 void bar(void)
  17 {
  18         goto neverland;
  19 }
  20 
  21 /*
  22  * check-name: goto labels
  23  *
  24  * check-error-start
  25 goto-label.c:5:1: error: label 'a' redefined
  26 goto-label.c:18:9: error: label 'neverland' was not declared
  27  * check-error-end
  28  */
  29