gcc/testsuite/gcc.dg/torture/pr54109.c

   1 /* { dg-do compile } */
   2
   3 typedef struct
   4 {
   5   unsigned long bits[4];
   6 } nodemask_t;
   7
   8 struct cpuset
   9 {
  10   long flags;
  11   nodemask_t mems_allowed;
  12   struct cpuset *parent;
  13 } b;
  14
  15 void func1(unsigned long *p1, int p2)
  16 {
  17   p1[p2 - 1] = 0;
  18 }
  19
  20 void func2(nodemask_t *p1, int p2)
  21 {
  22   func1(p1->bits, p2);
  23 }
  24
  25 void func3(void)
  26 {
  27   /* This accesses b.flags.  */
  28   func2(&b.mems_allowed, 0);
  29 }