* syms.c (bfd_is_local_label): Return false if the symbol has no
name.
* coff-i960.c (coff_i960_is_local_label_name): New function.
(coff_bfd_is_local_label_name): Define.
* coff-m68k.c (m68k_coff_is_local_label_name): New function.
(coff_bfd_is_local_label_name): Define.
* coff-rs6000.c (xcoff_is_local_label_name): New function.
(coff_bfd_is_local_label_name): Define.
* elf.c (_bfd_elf_is_local_label_name): Treat symbols beginning
with .. or _.L_ as local.
* elf32-i386.c (elf_i386_is_local_label_name): New function.
(bfd_elf32_bfd_is_local_label_name): Define.
* evax-alpha.c (evax_bfd_is_local_label_name): Treat symbols
beginning with $ as local.