gcc/testsuite/gcc.c-torture/compile/pr43066.c

   1 struct S {
   2   struct { } empty[1];
   3   int i;
   4 };
   5
   6 int foo(int i, ...)
   7 {
   8   struct S s;
   9   __builtin_va_list va;
  10   __builtin_va_start(va, i);
  11   s = __builtin_va_arg(va, struct S);
  12   __builtin_va_end(va);
  13   return s.i;
  14 }