* linker.c (link_action): Ignore duplicate warning syms.

	(_bfd_generic_link_write_global_symbol): Follow warning symbol link.
	* elflink.h (elf_adjust_dynstr_offsets): Likewise.
	(elf_adjust_dynamic_symbol): Likewise.
	(elf_export_symbol): Likewise.
	(elf_link_find_version_dependencies): Likewise.
	(elf_link_assign_sym_version): Likewise.
	(elf_link_sec_merge_syms): Likewise.
	(elf_link_output_extsym): Likewise.
	(elf_gc_sweep_symbol): Likewise.
	(elf_gc_propagate_vtable_entries_used): Likewise.
	(elf_gc_smash_unused_vtentry_relocs): Likewise.
	(elf_gc_allocate_got_offsets): Likewise.
	(elf_collect_hash_codes): Likewise.
	* elflink.c (elf_link_renumber_hash_table_dynsyms): Likewise.
	* elf-hppa.h (elf_hppa_unmark_useless_dynamic_symbols): Likewise.
	(elf_hppa_remark_useless_dynamic_symbols): Likewise.
	* elf-m10300.c (elf32_mn10300_finish_hash_table_entry): Likewise.
	* elf32-arm.h (elf32_arm_discard_copies): Likewise.
	* elf32-cris.c (elf_cris_adjust_gotplt_to_got): Likewise.
	(elf_cris_discard_excess_dso_dynamics): Likewise.
	* elf32-hppa.c (clobber_millicode_symbols): Likewise.
	(mark_PIC_calls): Likewise.
	(allocate_plt_static): Likewise.
	(allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-i386.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-i370.c (i370_elf_adjust_dynindx): Likewise.
	* elf32-m68k.c (elf_m68k_discard_copies): Likewise.
	* elf32-mips.c (mips_elf_output_extsym): Likewise.
	(mips_elf_sort_hash_table_f): Likewise.
	(mips_elf_check_mips16_stubs): Likewise.
	* elf32-s390.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-sh.c (sh_elf_discard_copies): Likewise.
	* elf32-xstormy16.c (xstormy16_relax_plt_check): Likewise.
	(xstormy16_relax_plt_realloc): Likewise.
	* elf64-alpha.c (elf64_alpha_calc_got_offsets_for_symbol): Likewise.
	(elf64_alpha_output_extsym): Likewise.
	* elf64-hppa.c (elf64_hppa_mark_exported_functions): Likewise.
	* elf64-mips.c (mips_elf64_sort_hash_table_f): Likewise.
	(mips_elf64_check_mips16_stubs): Likewise.
	(mips_elf64_output_extsym): Likewise.
	* elf64-ppc.c (func_desc_adjust): Likewise.
	(allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf64-s390.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf64-sh64.c (sh64_elf64_discard_copies): Likewise.
	* elf64-x86-64.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elfxx-ia64.c (elfNN_ia64_global_dyn_sym_thunk): Likewise.
	* aoutx.h (aout_link_write_other_symbol): Likewise.
	* cofflink.c (_bfd_coff_write_task_globals): Likewise.
	(_bfd_coff_write_global_sym): Likewise.
	* i386linux.c (linux_tally_symbols): Likewise.
	* m68klinux.c (linux_tally_symbols): Likewise.
	* sparclinux.c (linux_tally_symbols): Likewise.
	* pdp11.c (aout_link_write_other_symbol): Likewise.
	* sunos.c (sunos_scan_dynamic_symbol): Likewise.
	* xcofflink.c (xcoff_build_ldsyms): Likewise.
	(xcoff_write_global_symbol): Likewise.

	* cofflink.c (_bfd_coff_final_link): Formatting.
	* cpu-mips.c (mips_compatible): Make static, prototype.
	* elf32-i386.c (elf_i386_check_relocs): Formatting.
	* elf32-sh.c (sh_elf_size_dynamic_sections): Likewise.
	* elf64-alpha.c (elf64_alpha_output_extsym): Likewise.
	* elf64-mips.c (mips_elf64_sort_hash_table): Likewise.
	(mips_elf64_final_link): Likewise.
	* elflink.h (elf_link_find_version_dependencies): Remove duplicate
	prototype.

1 files changed, 4 insertions, 1 deletions

diff --git a/bfd/linker.c b/bfd/linker.c
index 727be33..aa61f76 100644
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1419,7 +1419,7 @@ static const enum link_action link_action[8][8] =
   /* DEFW_ROW 	*/  {DEFW,  DEFW,  DEFW,  NOACT, NOACT, NOACT, NOACT, CYCLE },
   /* COMMON_ROW	*/  {COM,   COM,   COM,   CREF,  COM,   BIG,   REFC,  WARNC },
   /* INDR_ROW	*/  {IND,   IND,   IND,   MDEF,  IND,   CIND,  MIND,  CYCLE },
-  /* WARN_ROW   */  {MWARN, WARN,  WARN,  CWARN, CWARN, WARN,  CWARN, MWARN },
+  /* WARN_ROW   */  {MWARN, WARN,  WARN,  CWARN, CWARN, WARN,  CWARN, NOACT },
   /* SET_ROW	*/  {SET,   SET,   SET,   SET,   SET,   SET,   CYCLE, CYCLE }
 };
 
@@ -2456,6 +2456,9 @@ _bfd_generic_link_write_global_symbol (h, data)
     (struct generic_write_global_symbol_info *) data;
   asymbol *sym;
 
+  if (h->root.type == bfd_link_hash_warning)
+    h = (struct generic_link_hash_entry *) h->root.u.i.link;
+
   if (h->written)
     return true;