Undo a bad change.  Applying part of upstream git e5034e59 isn't a
good idea.

diff -urp binutils-aldy/bfd/elf64-ppc.c binutils-alan1/bfd/elf64-ppc.c
--- binutils-aldy/bfd/elf64-ppc.c	2014-07-31 12:21:34.755773236 +0930
+++ binutils-alan1/bfd/elf64-ppc.c	2014-07-31 13:59:20.083643016 +0930
@@ -97,7 +97,7 @@ static bfd_vma opd_entry_value
 #define elf_backend_copy_indirect_symbol      ppc64_elf_copy_indirect_symbol
 #define elf_backend_add_symbol_hook	      ppc64_elf_add_symbol_hook
 #define elf_backend_check_directives	      ppc64_elf_process_dot_syms
-#define elf_backend_notice_as_needed	      ppc64_elf_notice_as_needed
+#define elf_backend_as_needed_cleanup	      ppc64_elf_as_needed_cleanup
 #define elf_backend_archive_symbol_lookup     ppc64_elf_archive_symbol_lookup
 #define elf_backend_check_relocs	      ppc64_elf_check_relocs
 #define elf_backend_gc_keep		      ppc64_elf_gc_keep
@@ -4974,22 +4974,17 @@ ppc64_elf_process_dot_syms (bfd *ibfd, s
 /* Undo hash table changes when an --as-needed input file is determined
    not to be needed.  */
 
-__attribute__((unused))
 static bfd_boolean
-ppc64_elf_notice_as_needed (bfd *ibfd,
-			    struct bfd_link_info *info,
-			    enum notice_asneeded_action act)
+ppc64_elf_as_needed_cleanup (bfd *ibfd ATTRIBUTE_UNUSED,
+			     struct bfd_link_info *info)
 {
-  if (act == notice_not_needed)
-    {
-      struct ppc_link_hash_table *htab = ppc_hash_table (info);
+  struct ppc_link_hash_table *htab = ppc_hash_table (info);
 
-      if (htab == NULL)
-	return FALSE;
+  if (htab == NULL)
+    return FALSE;
 
-      htab->dot_syms = NULL;
-    }
-  return _bfd_elf_notice_as_needed (ibfd, info, act);
+  htab->dot_syms = NULL;
+  return TRUE;
 }
 
 /* If --just-symbols against a final linked binary, then assume we need
diff -urp binutils-aldy/bfd/elf-bfd.h binutils-alan1/bfd/elf-bfd.h
--- binutils-aldy/bfd/elf-bfd.h	2014-07-31 10:57:17.934601544 +0930
+++ binutils-alan1/bfd/elf-bfd.h	2014-07-31 13:58:00.966838188 +0930
@@ -2158,8 +2158,6 @@ extern bfd_boolean _bfd_elf_default_relo
 
 extern bfd_boolean _bfd_elf_relocs_compatible
   (const bfd_target *, const bfd_target *);
-extern bfd_boolean _bfd_elf_notice_as_needed
-(bfd *, struct bfd_link_info *, enum notice_asneeded_action);
 
 extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup
   (bfd *, struct bfd_link_info *, const char *);
diff -urp binutils-aldy/bfd/elfxx-target.h binutils-alan1/bfd/elfxx-target.h
--- binutils-aldy/bfd/elfxx-target.h	2014-07-31 10:57:23.822364217 +0930
+++ binutils-alan1/bfd/elfxx-target.h	2014-07-31 13:57:41.651618265 +0930
@@ -424,9 +424,6 @@
 #ifndef elf_backend_check_directives
 #define elf_backend_check_directives	0
 #endif
-#ifndef elf_backend_notice_as_needed
-#define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
-#endif
 #ifndef elf_backend_as_needed_cleanup
 #define elf_backend_as_needed_cleanup	0
 #endif