[Bug ld/26869] New: ld: assertion fail ../../bfd/elflink.c:14806 on i686-linux-gnu

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26869

            Bug ID: 26869
           Summary: ld: assertion fail ../../bfd/elflink.c:14806 on
                    i686-linux-gnu
           Product: binutils
           Version: 2.35.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
  Target Milestone: ---

I hit the following assert:

void
elf_append_rel (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
{
  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
  bfd_byte *loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rel);
  BFD_ASSERT (loc + bed->s->sizeof_rel <= s->contents + s->size);
  bed->s->swap_reloc_out (abfd, rel, loc);
}

I use tip of 2.35-branch and it happens when I link
../../lib/libQt5WebEngineCore.so.5.12.10 on i686 with LTO enabled.

It's related to .rel.got section and it contains ~2000 reloc_count and it
really writes one after s->reloc_count * bed->s->sizeof_rel.

Any hint on how to debug that?

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