gcc/testsuite/gcc.dg/20011015-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -std=gnu99" } */
   3
   4 char foo (char *x)
   5 {
   6   return *x;
   7 }
   8
   9 void bar (char *x)
  10 {
  11   void *arr[foo (x)] __attribute__((unused));
  12 }
  13
  14 void baz (char *x)
  15 {
  16   bar (x);
  17 }