gcc/testsuite/gcc.c-torture/execute/pr71083.c

   1 __extension__ typedef __UINT32_TYPE__ uint32_t;
   2
   3 struct lock_chain {
   4   uint32_t irq_context: 2,
   5     depth: 6,
   6     base: 24;
   7 };
   8
   9 __attribute__((noinline, noclone))
  10 struct lock_chain * foo (struct lock_chain *chain)
  11 {
  12   int i;
  13   for (i = 0; i < 100; i++)
  14     {
  15       chain[i+1].base = chain[i].base;
  16     }
  17   return chain;
  18 }
  19
  20 struct lock_chain1 {
  21   char x;
  22   unsigned short base;
  23 } __attribute__((packed));
  24
  25 __attribute__((noinline, noclone))
  26 struct lock_chain1 * bar (struct lock_chain1 *chain)
  27 {
  28   int i;
  29   for (i = 0; i < 100; i++)
  30     {
  31       chain[i+1].base = chain[i].base;
  32     }
  33   return chain;
  34 }
  35
  36 struct lock_chain test [101];
  37 struct lock_chain1 test1 [101];
  38
  39 int
  40 main ()
  41 {
  42   foo (test);
  43   bar (test1);
  44   return 0;
  45 }