gcc/testsuite/gcc.dg/torture/pr46183.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fno-dse" } */
   3
   4 void bar(void);
   5
   6 void foo (int i, ...)
   7 {
   8   __builtin_va_list ap;
   9   __builtin_va_start (ap, i);
  10   __builtin_va_arg (ap, int);
  11   while (i) i++;
  12   __builtin_va_arg (ap, int);
  13   while (i) i++;
  14   __builtin_va_arg (ap, int);
  15   while (i) i++;
  16   __builtin_va_arg (ap, int);
  17   if (i)
  18     bar ();
  19 }
  20