gcc/testsuite/c-c++-common/Wunused-var-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wunused" } */
   3
   4 int
   5 f1 (void)
   6 {
   7   int c = ({
   8     int a;
   9     a = 1;
  10     a; });
  11   return c;
  12 }
  13
  14 void
  15 f2 (void)
  16 {
  17   int f;
  18   f = 0;
  19   __asm__ __volatile__ ("" : "+r" (f));
  20 }