gcc/testsuite/gcc.c-torture/compile/pr42164.c

   1 typedef struct
   2 {
   3   unsigned long long pte;
   4 } pte_t;
   5 pte_t mk_swap_pte (unsigned long offset)
   6 {
   7   pte_t pte;
   8   pte.pte = (offset << 40);
   9   return pte;
  10 }
  11 int pte_file (pte_t pte)
  12 {
  13   return pte.pte & (1 << 4);
  14 }
  15 typedef struct
  16 {
  17   unsigned long val;
  18 } swp_entry_t;
  19 pte_t swp_entry_to_pte (swp_entry_t entry)
  20 {
  21   swp_entry_t arch_entry;
  22   arch_entry = (swp_entry_t){mk_swap_pte (swp_offset (entry)).pte};
  23   __BUG_ON ((unsigned long) pte_file ((pte_t) {arch_entry.val}));
  24   return (pte_t) {arch_entry.val};
  25 }