gcc/testsuite/gcc.dg/Wunused-function.c

   1 /* PR c/4076  -Wunused doesn't warn about static function only called by itself.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wunused-function" } */
   4
   5 static void foo (void) {} /* { dg-warning "'foo' defined but not used" } */
   6 static void bar (void) { bar (); } /* { dg-warning "'bar' defined but not used" } */