bfd/

bfd/
	* elf64-pcc.c (ppc64_elf_gc_mark_hook): For the local sym in .opd
	case, include addend when indexing .opd section map.
	(ppc64_elf_edit_opd): Add no_opd_opt param.  Do nothing besides
	clear opd_adjust array if no_opd_opt set.  Tidy code.
	Ignore zero size .opd.  Check bfd_alloc return value.
	(ppc_stub_name): Return immediately on bfd_malloc fail.
	* elf64-ppc.h (ppc64_elf_edit_opd): Update prototype.
ld/
	* emultempl/ppc64elf.em (ppc_before_allocation): Always run
	ppc64_elf_edit_opd.