toolchain/binutils/patches/2.22/500-arm_ld_assert_fix.patch

   1 See http://sourceware.org/bugzilla/show_bug.cgi?id=13990 for details.
   2 ---
   3 --- a/bfd/elf32-arm.c
   4 +++ b/bfd/elf32-arm.c
   5 @@ -12046,8 +12046,19 @@ elf32_arm_gc_sweep_hook (bfd *
   6        if (may_need_local_target_p
   7           && elf32_arm_get_plt_info (abfd, eh, r_symndx, &root_plt, &arm_plt))
   8         {
   9 -         BFD_ASSERT (root_plt->refcount > 0);
  10 -         root_plt->refcount -= 1;
  11 +         /* If PLT refcount book-keeping is wrong and too low, we'll
  12 +            see a zero value (going to -1) for the root PLT reference
  13 +            count.  */
  14 +         if (root_plt->refcount >= 0)
  15 +           {
  16 +             BFD_ASSERT (root_plt->refcount != 0);
  17 +             root_plt->refcount -= 1;
  18 +           }
  19 +         else
  20 +           /* A value of -1 means the symbol has become local, forced
  21 +              or seeing a hidden definition.  Any other negative value
  22 +              is an error.  */
  23 +           BFD_ASSERT (root_plt->refcount == -1);
  24
  25           if (!call_reloc_p)
  26             arm_plt->noncall_refcount--;