gcc/testsuite/gcc.dg/Wunused-var-6.c

   1 /* PR c/99588 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c11 -Wunused-but-set-variable" } */
   4
   5 void bar (int, ...);
   6 struct S { int a, b, c; };
   7 typedef _Atomic struct S T;
   8
   9 void
  10 foo (void)
  11 {
  12   static T x = (struct S) { 0, 0, 0 };  /* { dg-bogus "set but not used" } */
  13   bar (0, x = (struct S) { 1, 1, 1 });
  14 }