gcc/testsuite/gcc.dg/pr56510.c

   1 /* PR debug/56510 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g" } */
   4
   5 __extension__ typedef __INTPTR_TYPE__ intptr_t;
   6 struct S { unsigned long s1; void **s2[0]; };
   7 void **a, **b, **c, **d, **e, **f;
   8
   9 static void **
  10 baz (intptr_t x, intptr_t y)
  11 {
  12   void **s = f;
  13   *f = (void **) (y << 8 | (x & 0xff));
  14   f += y + 1;
  15   return s;
  16 }
  17
  18 void bar (void);
  19 void
  20 foo (void)
  21 {
  22   void **g = b[4];
  23   a = b[2];
  24   b = b[1];
  25   g[2] = e;
  26   void **h
  27     = ((void **************************)
  28        a)[1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][1][66];
  29   void **i = ((struct S *) h)->s2[4];
  30   d = baz (4, 3);
  31   d[1] = b;
  32   d[2] = a;
  33   d[3] = bar;
  34   b = d;
  35   g[1] = i[2];
  36   a = g;
  37   ((void (*) (void)) (i[1])) ();
  38 }