gcc/testsuite/gcc.dg/label-decl-4.c

   1 /* Test diagnostics for duplicate label declarations.  */
   2 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   3 /* { dg-do compile } */
   4 /* { dg-options "" } */
   5
   6 void
   7 f (void)
   8 {
   9   __label__ a, b, a; /* { dg-error "duplicate label declaration 'a'" } */
  10   /* { dg-message "note: previous declaration of 'a'" "previous" { target *-*-* } .-1 } */
  11   __label__ c; /* { dg-message "note: previous declaration of 'c'" "note" } */
  12   __label__ c; /* { dg-error "duplicate label declaration 'c'" } */
  13   return;
  14 }