* elfxx-mips.c (mips_elf_calculate_relocation): Avoid generating

	* elfxx-mips.c (mips_elf_calculate_relocation): Avoid generating
	relocations for undefined weak symbols with non-default visibility.
	(_bfd_mips_elf_check_relocs): Use possibly_dynamic_relocs for
	global symbols in shared libraries.
	(allocate_dynrelocs): New function.
	(_bfd_mips_elf_adjust_dynamic_symbol): Do not handle
	possibly_dynamic_relocs here.
	(_bfd_mips_elf_size_dynamic_sections): Call allocate_dynrelocs.