* elflink.c (_bfd_elf_adjust_dynamic_symbol): Move STT_GNU_IFUNC
symbol check to ...
(elf_link_add_object_symbols): Here.
(_bfd_elf_link_hash_hide_symbol): Don't clean plt on
STT_GNU_IFUNC symbol.
(elf_link_output_extsym): Call elf_backend_finish_dynamic_symbol
if a STT_GNU_IFUNC symbol is referenced in a non-shared object.
(IFUNC_INFIX): Removed.
(get_ifunc_reloc_section_name): Likewise.
(_bfd_elf_make_ifunc_reloc_section): Likewise.
(_bfd_elf_is_ifunc_symbol): Likewise.
(_bfd_elf_create_static_ifunc_sections): New.