gcc/testsuite/gcc.c-torture/execute/pr44575.c

   1 /* PR target/44575 */
   2
   3 #include <stdarg.h>
   4
   5 int fails = 0;
   6 struct S { float a[3]; };
   7 struct S a[5];
   8
   9 void
  10 check (int z, ...)
  11 {
  12   struct S arg, *p;
  13   va_list ap;
  14   int j = 0, k = 0;
  15   int i;
  16   va_start (ap, z);
  17   for (i = 2; i < 4; ++i)
  18     {
  19       p = 0;
  20       j++;
  21       k += 2;
  22       switch ((z << 4) | i)
  23         {
  24         case 0x12:
  25         case 0x13:
  26           p = &a[2];
  27           arg = va_arg (ap, struct S);
  28           break;
  29         default:
  30           ++fails;
  31           break;
  32         }
  33       if (p && p->a[2] != arg.a[2])
  34         ++fails;
  35       if (fails)
  36         break;
  37     }
  38   va_end (ap);
  39 }
  40
  41 int
  42 main ()
  43 {
  44   a[2].a[2] = -49026;
  45   check (1, a[2], a[2]);
  46   if (fails)
  47     abort ();
  48   return 0;
  49 }