gcc/testsuite/gcc.c-torture/compile/20090107-1.c

   1 /* Verify that we don't ICE by forming invalid addresses for unaligned
   2    doubleword loads (originally for PPC64).  */
   3
   4 struct a
   5 {
   6  unsigned int x;
   7  unsigned short y;
   8 } __attribute__((packed));
   9
  10 struct b {
  11  struct a rep;
  12  unsigned long long seq;
  13 } __attribute__((packed));
  14
  15 struct c {
  16  int x;
  17  struct a a[5460];
  18  struct b b;
  19 };
  20
  21 extern void use_ull(unsigned long long);
  22 extern void f(struct c *i) {
  23   use_ull(i->b.seq);
  24   return;
  25 }