clang/test/Sema/warn-unused-label.c

   1 // RUN: %clang_cc1 -fsyntax-only -Wunused-label -verify %s
   2
   3 void f(void) {
   4   a:
   5   goto a;
   6   b: // expected-warning{{unused}}
   7   c: __attribute__((unused));
   8   d: __attribute__((noreturn)); // expected-warning {{'noreturn' attribute only applies to functions}}
   9   goto d;
  10   return;
  11 }
  12
  13 void PR8455(void) {
  14   L: __attribute__((unused)) return; // ok, no semicolon required
  15 }