gcc/testsuite/gcc.c-torture/execute/pr41750.c

   1 /* PR 41750 - IPA-SRA used to pass hash->sgot by value rather than by
   2    reference.  */
   3
   4 struct bfd_link_hash_table
   5 {
   6   int hash;
   7 };
   8
   9 struct foo_link_hash_table
  10 {
  11   struct bfd_link_hash_table root;
  12   int *dynobj;
  13   int *sgot;
  14 };
  15
  16 struct foo_link_info
  17 {
  18   struct foo_link_hash_table *hash;
  19 };
  20
  21 extern void abort (void);
  22
  23 int __attribute__((noinline))
  24 foo_create_got_section (int *abfd, struct foo_link_info *info)
  25 {
  26   info->hash->sgot = abfd;
  27   return 1;
  28 }
  29
  30 static int *
  31 get_got (int *abfd, struct foo_link_info *info,
  32          struct foo_link_hash_table *hash)
  33 {
  34   int *got;
  35   int *dynobj;
  36
  37   got = hash->sgot;
  38   if (!got)
  39     {
  40       dynobj = hash->dynobj;
  41       if (!dynobj)
  42         hash->dynobj = dynobj = abfd;
  43       if (!foo_create_got_section (dynobj, info))
  44         return 0;
  45       got = hash->sgot;
  46     }
  47   return got;
  48 }
  49
  50 int * __attribute__((noinline,noclone))
  51 elf64_ia64_check_relocs (int *abfd, struct foo_link_info *info)
  52 {
  53   return get_got (abfd, info, info->hash);
  54 }
  55
  56 struct foo_link_info link_info;
  57 struct foo_link_hash_table hash;
  58 int abfd;
  59
  60 int
  61 main ()
  62 {
  63   link_info.hash = &hash;
  64   if (elf64_ia64_check_relocs (&abfd, &link_info) != &abfd)
  65     abort ();
  66   return 0;
  67 }
  68