gcc/testsuite/gcc.dg/torture/pr87665.c

   1 /* { dg-do run } */
   2
   3 struct X { long x; long y; };
   4
   5 struct X a[1024], b[1024];
   6
   7 void foo ()
   8 {
   9   for (int i = 0; i < 1024; ++i)
  10     {
  11       long tem = a[i].x;
  12       a[i].x = 0;
  13       b[i].x = tem;
  14       b[i].y = a[i].y;
  15     }
  16 }
  17
  18 int main()
  19 {
  20   for (int i = 0; i < 1024; ++i)
  21     a[i].x = i;
  22   foo ();
  23   for (int i = 0; i < 1024; ++i)
  24     if (b[i].x != i)
  25       __builtin_abort();
  26   return 0;
  27 }