daily update
	PR binutils/14873
	* elf-attrs.c (_bfd_elf_copy_obj_attributes): Don't attempt to
	copy attributes from or to non-ELF.
	PR binutils/15106
	* elf.c (elf_find_function): Don't cache if symbols change.
daily update
	PR binutils/15106
	* elf-bfd.h (struct elf_obj_tdata): Add elf_find_function_cache.
	* elf.c (elf_find_function): Revert last change.  Use new
	tdata field rather than static vars for cache.